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UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street , Suite 1100 BOSTON, MA 02114- 2023 Memorandum Date: 22 January 2009 Subject: Dispersion Modeling for Dominion Energy s 9 Januar 2009 REVISED PSD Permit Application for a Major Modification ofthe Brayton Point Generating Station 1/22 /2a'j From: ey, Region 1 Modeling Contact, Air Permits Program To: Brendan McCahil This details my comments on the adequacy and regulatory implications of dispersion modeling prepared for a major modification of the Brayton Point Generating Station (Somerset Massachusetts). The modeling appears in the document entitled " REVISED 310 CMR 7. Major Comprehensive Plan Approval and Prevention of Significant Deterioration Application for the Closed Cycle Cooling and Unit 3 Dry Scrubber/Fabric Filter Projects at Dominion Energy Brayton Point , LLC" prepared by Epsilon Associates for Dominion Energy Brayton Point , LLC whose Vice President Pamela F. Faggert submitted it to Region 1 U.S. EP A on 9 January 2009. In the document submitted to Region 1 , Dominion quantifies ' significant' (over 15 tpy) PMlO emission increases from the construction and operation of two natural draft cooling towers at the power plant together with installation of a dry scrubber/fabric filter (DS/FF) for S02 emission control on Unit #3. No other emission changes were calculated so it only can be concluded fTOm the January document that dispersion modeling ofPMI0 and PM2. 5 (' significant' if over 10 tpy, filterable) would be required for PSD permitting. All emissions in tpy Base Actual Potential Increase 2 new natural draft cooling towers Total PMI0 389 389 Filterable PM2. 389 389 DS/FF retrofit on Unit #3 Total PMI0 670 464 206 Filterable PM2. 134 186 Net Proposed Increases Total PMI0 183 441 Filterable PM2.

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Page 1: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I

1 Congress Street Suite 1100 BOSTON MA 02114-2023

Memorandum

Date 22 January 2009

Subject Dispersion Modeling for Dominion Energy s 9 Januar 2009 REVISED PSD Permit Application for a Major Modification ofthe Brayton Point Generating Station

122 2ajFrom ey Region 1 Modeling Contact Air Permits Program

To Brendan McCahil

This details my comments on the adequacy and regulatory implications of dispersion modeling prepared for a major modification of the Brayton Point Generating Station (Somerset Massachusetts) The modeling appears in the document entitled REVISED 310 CMR 7 Major Comprehensive Plan Approval and Prevention of Significant Deterioration Application for the Closed Cycle Cooling and Unit 3 Dry ScrubberFabric Filter Projects at Dominion Energy Brayton Point LLC prepared by Epsilon Associates for Dominion Energy Brayton Point LLC whose Vice President Pamela F Faggert submitted it to Region 1 US EP A on 9 January 2009

In the document submitted to Region 1 Dominion quantifies significant (over 15 tpy) PMlO emission increases from the construction and operation of two natural draft cooling towers at the power plant together with installation of a dry scrubberfabric filter (DSFF) for S02 emission control on Unit 3 No other emission changes were calculated so it only can be concluded fTOm the January document that dispersion modeling ofPMI0 and PM25 ( significant if over 10 tpy filterable) would be required for PSD permitting

All emissions in tpy Base Actual Potential Increase

2 new natural draft cooling towers

Total PMI0 389 389

Filterable PM2 389 389

DSFF retrofit on Unit 3

Total PMI0 670 464 206

Filterable PM2 134 186

Net Proposed Increases

Total PMI0 183

441Filterable PM2

Note that Dominion has likely overestimated PM emission increases from the cooling towers because after a discussion with EPA s John Bosch Region 1 was unable to accept Dominion initial proposal which would discount drift PM with a physical diameter greater than 011

Therefore Dominion instead estimated PM emissions using AP-42 which is generally considered to provide a ceiling on actual emissions from cooling towers

EP A regulations require dispersion modeling of over significant PM2 5 and PMl 0 increases in PSD permitting as follows

40- CFR 5221 (b)(15)(i) defines the pollutant-specific baseline area to include the section 107 area where a major new source or modification would build or any intrastate section 107 area where it would have an annual impact greater than llgm ofthe pollutant

Dominion s submittal does not identif any area where minor baseline area would be set because the permitted modifcations would have annual P M10 impacts greater than 1 flgm However in the permit application Dominion requests a finding from EP A on the matter

Stephen Dennis of Massachusetts DEP e-mailed a spreadsheet PSD permits and PSD SIP Revisions in Massachusetts Consuming PSD Increment as of 1112008 to Region 1 on 11- 2008 with a request to update for sources permitted after DEP returned the PSD program to EP A The spreadsheet lists no PSD subject major source activity within the Town of Somerset section 107 area to set the minor source baseline for any pollutant

In an e-mail of 1-20-2009 Stephen Dennis indicates the closest towns to Somerset where minor source PM baseline area was set are New Bedford (on 11-1994 by the New Bedford Cogeneration Facility spermit application) and Rochester (on 8- 1980 by

permit application) Because the New Bedford cogenerator was never built and since SEMASS was modeled with under ugm3 annual impacts neither has set PM baseline on Somerset or any other nearby section 107 area From this it can be concluded that minor source baseline has not been set in Somerset that all emissions interacting with Brayton Point s are baselined consume no increment -and that the applicationfor the DSFF and cooling tower PSD permit wil initiate the Somerset PM10 baseline area

SEMASS RR

Although Massachusetts uses towns for section 107 areas for PMJO 40 CFR 81 322 designates all of Bristol County attainment or unclassifable for P M2 5 making the county not the town the section 107 unit to use for P M2 5 Therefore Dominion s PSD permit application wil make all of Bristol County a baseline areafor PM2

40 CFR 5221 (k) Source impact analysis requires dispersion modeling to show that over significant emission increases from the modification

Wil not contribute to a violation of ambient air quality standards (See 40 CFR 50 (PMI0J and 50 13 (PM2 5J) and

Will not contribute to maximum allowable increase over the baseline concentration (See 40 CFR 5221 ( c)) For brevity these allowable increases are often called increment

See the paragraphs following the ending table

40 CFR 5221(1) Air quality models requires that the dispersion models in 40 CFR 51 Appendix W be used to estimate all ambient pollutant concentrations

Dominion modeled Brayton Point s stacks and natural draft cooling tower using EP guideline (Appendix W)AERMOD dispersion model guideline preprocessors and 5

years (2002 and2004- 7 TF Green surface meteorological data with contemporary upper air data from Morris Island in Chatham) While use of a continuous record of 5

years of meterorological data is preferred TF Green s data capture for 2003 was substandard

40 CFR 5221(m) Air quality analysis requires an analysis of at least one year of generally continuous air quality data representative of the area that over significant emission increaseswould affect

Thefollowingfigure identifes locations of monitoring sites collecting PM2 5 and PM10 data representative of the areas Brayton Point s PM emission increases would affect Dominion selected data from these sites and combined it with modeling data to assess whether the plant modifcation would comply with PM2 5 and PM10 standards

FacilityMonitor Locator Mop rite ria Air Pollutants AirDataCounties in Massachusetts Rhode Island

Shaded counties have monitors or facilities

Highway Interstate Federal State Monitor Location 0 PM10 (5) o PM25 (6) Facility Location - (12)

Source US EPA Office of Air and Radiation AQS and NEI Databases Tuesday January 6 2009

---------------------------------------------------------------------------------------------------------

40 CFR 5221(0) Additional impacts analysis requires an assessment of the impacts on visibility soils and vegetation of emissions from the modification and associated growth

did not require Dominion to assess the visual impact of the cooling towers steam plumes because water vapor and water dropletsaerosols are not pollutants regulated by the Clean Air Act Dominion modeled salt deposition from cooling tower

Region

drif using the nonguideline SA CTI (Seasonal-Annual Cooling Tower Impact) Model

Appendix W is mandatory for concentration calculations not deposition estimates

40 CFR 5221(0) Sources impacting Federal Class I areas requires EPA to give wrtten notice

to the Federal Land Manager of any Class 1 area which the increase in emissions from a major new of modified source may affect

Dominion assessed the impact of the increase in PM emissions at Brayton Point on visibility in the nearest Class I area (Lye Brook Wilderness Vermont) with the

VISCREEN Model The models Levell screen showed no potentialfor visibilty km awayimpairment in the Class 1 area 213

40 CFR 5221(k) Source impact analysis Discussion continued

Tabulated below are the concentration levels relevant to permitting any major new or modified source of PM emissions

All concentrations in PM2 PMI0

J-gm

Anual 24- HourAction level Anual 24- Hour

SILs Regulations 1

Monitoring exclusion on these

Increment pending

None 150NAAQS

Modeled and monitored

17 219Brayton Point 14

Background

67Total 10 33 20

PM25 annual air quality standard is-met when the average of the arithmetic annual average over three consecutive years falls below 15 flgmNotes

The PM2 5 24-hour will be met when the 98-tile highest monitored PM2 flgmconcentration averaged over three consecutive years is under 35

The PMI0 24-hour standard is met when the expected number of exceedances of 150 flgm is less than or equalto one

Brayton Point s modeled PM25 and PMI0 impacts above represent maximum anual and 24shy

l)our impacts from the entire plant not merely the increases from the two new cooling towers and DSFF control system on Unit 3 Consequently the next three paragraphs which could have considered PM emission increases alone make highly conservative comparisons against action

levels

SILs or significant impact levels Emissionincreases from new and modified facilities can be permitted in designated attainment areas in the presence of air quality standards violations

40 CFR Parprovided the increase in ambient impacts from the facility fall below these levels

51 Appendix S II tabulates the significance levels Because Brayton Points 24- hour PMI0 impact 219 Jgm

3 exceeds the 5Jgm3 PMI0SIL compliance with increments and air quality standards must be more directly addressed

Monitoring exclusion Because Brayton Points 24- hour 219 Jgm3 PMI0 impact exceeds the 10Jgm3 PMI0 exclusion level the preconstruction monitoring exemption at 40 CFR 5221(i)(5)

does not appear a possibility In any event several recent years ofPMI0 and PM2 representative of the area were available and used in the air qualityanalysis required in 40 CFR

5221(m) as described above Dominion sought no preconstruction monitoring exemption

Increment An increment is the maximum amount by which existing ambient air pollutant concentrations can be allowed to increase thereby approaching an air quality standard 40 CFR 51 166( c) lists the Class IT ambient air increments that apply in Somerset Massachusetts

Because Brayton Points 24- hour 219 Jgm3 PMI0 impact falls below the 30Jgm3 PMI0 3 the increase in PMI0 emission wilincrement and its 17 Jgm anual impact below 17 Jgm

not exceed Class IT increments Note again that most of the emissions Dominion modeled would not result from the modification and do not consume increment

NAAOS The National Ambient Air Quality Standards represent the air pollutant concentrations or levels below which there wil be no adverse effects on health or welfare Compliance with the PM NAAQS is shown by comparing the last line ofthe table which sums

Brayton Points modeled impacts with background PM measurements against the NAAQS appearing in the same column In all cases Total PM concentration falls below the level of and

comply with theNAAQS

The bottom half of the table presents extracts from Dominion s modeling ofPM25 and PMI0 emissions from Brayton Point Note the following all important

Limiting or highest whole source impacts occur at intermediate 10ads (and PM emission rates) - Unit s 1 and 4 operating at 14082250 14082250 35005655 and

24394800 all in units ofmodeled heat input to maximum heat input

Initially modeling compliance against the PM25 and PMl 0 24-hour NAAQS seemed problematic In 2002 Somerset Generating Station (northwest of Brayton Point in the figure above) emitted 199 tpy PM25 and 229 tpy PMI0 Brayton Point s PM impacts approach the two standards and because the increase in Brayton Point s PM emissions

3 SIL(from Unit 3 especially) may cause PM concentration increases over the 5 Jgm(Significant hnpact Level) Dominion should have performed interactive or cumulative PM modeling to include Somerset Generating Station On 14 January AJ Jablonowski

of Epsilon (Dominion s engineering-consultant) e-mailed Region 1 more curent data for Somers t Station showing monotonically decreasing PM emission decreases from 70 tpy PMI0 and 31 tpy PM25 in 2005 to 50 tpy and 23 tpy respectively in 2007 The omission of Somerset from the modeling is in accord with the modeling protocol and acceptable

In an e-mail on 1- 15-2009 Stephen Dennis noted that in permit modellng Massachusetts DEP often requires interactive or cumulative modeling of sources with actual emissions over 100 tpy and within 1 0 km of the permit applicant SomersetStation s PM emissions are lower Note too that Dominion s modeling of Brayton Point has conservatively modeled highest 8 high and highest 2 high model PM2 5 and PMl 0 emissions against the respective PM 24-hour NAAQS where average highest 8 high and highest

high model estimates could have been used The NAAQS analyses also very conservatively assume that monitors record highest PM under conditions corresponding to highest modelled PM impacts

~~~

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and

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2009

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OQ

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

PS

D P

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S A

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PS

D S

IP R

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ISIO

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IN M

AS

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TT

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ON

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02

S02

S02

N02

N02

PM10

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S02

S02

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Consum

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Holyoke

032588 H

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Consum

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101381 triggered before 101381

Law

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121289 L

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051887 Low

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Permit Modification for Unit 1and Unit 2

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Page 2: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

Note that Dominion has likely overestimated PM emission increases from the cooling towers because after a discussion with EPA s John Bosch Region 1 was unable to accept Dominion initial proposal which would discount drift PM with a physical diameter greater than 011

Therefore Dominion instead estimated PM emissions using AP-42 which is generally considered to provide a ceiling on actual emissions from cooling towers

EP A regulations require dispersion modeling of over significant PM2 5 and PMl 0 increases in PSD permitting as follows

40- CFR 5221 (b)(15)(i) defines the pollutant-specific baseline area to include the section 107 area where a major new source or modification would build or any intrastate section 107 area where it would have an annual impact greater than llgm ofthe pollutant

Dominion s submittal does not identif any area where minor baseline area would be set because the permitted modifcations would have annual P M10 impacts greater than 1 flgm However in the permit application Dominion requests a finding from EP A on the matter

Stephen Dennis of Massachusetts DEP e-mailed a spreadsheet PSD permits and PSD SIP Revisions in Massachusetts Consuming PSD Increment as of 1112008 to Region 1 on 11- 2008 with a request to update for sources permitted after DEP returned the PSD program to EP A The spreadsheet lists no PSD subject major source activity within the Town of Somerset section 107 area to set the minor source baseline for any pollutant

In an e-mail of 1-20-2009 Stephen Dennis indicates the closest towns to Somerset where minor source PM baseline area was set are New Bedford (on 11-1994 by the New Bedford Cogeneration Facility spermit application) and Rochester (on 8- 1980 by

permit application) Because the New Bedford cogenerator was never built and since SEMASS was modeled with under ugm3 annual impacts neither has set PM baseline on Somerset or any other nearby section 107 area From this it can be concluded that minor source baseline has not been set in Somerset that all emissions interacting with Brayton Point s are baselined consume no increment -and that the applicationfor the DSFF and cooling tower PSD permit wil initiate the Somerset PM10 baseline area

SEMASS RR

Although Massachusetts uses towns for section 107 areas for PMJO 40 CFR 81 322 designates all of Bristol County attainment or unclassifable for P M2 5 making the county not the town the section 107 unit to use for P M2 5 Therefore Dominion s PSD permit application wil make all of Bristol County a baseline areafor PM2

40 CFR 5221 (k) Source impact analysis requires dispersion modeling to show that over significant emission increases from the modification

Wil not contribute to a violation of ambient air quality standards (See 40 CFR 50 (PMI0J and 50 13 (PM2 5J) and

Will not contribute to maximum allowable increase over the baseline concentration (See 40 CFR 5221 ( c)) For brevity these allowable increases are often called increment

See the paragraphs following the ending table

40 CFR 5221(1) Air quality models requires that the dispersion models in 40 CFR 51 Appendix W be used to estimate all ambient pollutant concentrations

Dominion modeled Brayton Point s stacks and natural draft cooling tower using EP guideline (Appendix W)AERMOD dispersion model guideline preprocessors and 5

years (2002 and2004- 7 TF Green surface meteorological data with contemporary upper air data from Morris Island in Chatham) While use of a continuous record of 5

years of meterorological data is preferred TF Green s data capture for 2003 was substandard

40 CFR 5221(m) Air quality analysis requires an analysis of at least one year of generally continuous air quality data representative of the area that over significant emission increaseswould affect

Thefollowingfigure identifes locations of monitoring sites collecting PM2 5 and PM10 data representative of the areas Brayton Point s PM emission increases would affect Dominion selected data from these sites and combined it with modeling data to assess whether the plant modifcation would comply with PM2 5 and PM10 standards

FacilityMonitor Locator Mop rite ria Air Pollutants AirDataCounties in Massachusetts Rhode Island

Shaded counties have monitors or facilities

Highway Interstate Federal State Monitor Location 0 PM10 (5) o PM25 (6) Facility Location - (12)

Source US EPA Office of Air and Radiation AQS and NEI Databases Tuesday January 6 2009

---------------------------------------------------------------------------------------------------------

40 CFR 5221(0) Additional impacts analysis requires an assessment of the impacts on visibility soils and vegetation of emissions from the modification and associated growth

did not require Dominion to assess the visual impact of the cooling towers steam plumes because water vapor and water dropletsaerosols are not pollutants regulated by the Clean Air Act Dominion modeled salt deposition from cooling tower

Region

drif using the nonguideline SA CTI (Seasonal-Annual Cooling Tower Impact) Model

Appendix W is mandatory for concentration calculations not deposition estimates

40 CFR 5221(0) Sources impacting Federal Class I areas requires EPA to give wrtten notice

to the Federal Land Manager of any Class 1 area which the increase in emissions from a major new of modified source may affect

Dominion assessed the impact of the increase in PM emissions at Brayton Point on visibility in the nearest Class I area (Lye Brook Wilderness Vermont) with the

VISCREEN Model The models Levell screen showed no potentialfor visibilty km awayimpairment in the Class 1 area 213

40 CFR 5221(k) Source impact analysis Discussion continued

Tabulated below are the concentration levels relevant to permitting any major new or modified source of PM emissions

All concentrations in PM2 PMI0

J-gm

Anual 24- HourAction level Anual 24- Hour

SILs Regulations 1

Monitoring exclusion on these

Increment pending

None 150NAAQS

Modeled and monitored

17 219Brayton Point 14

Background

67Total 10 33 20

PM25 annual air quality standard is-met when the average of the arithmetic annual average over three consecutive years falls below 15 flgmNotes

The PM2 5 24-hour will be met when the 98-tile highest monitored PM2 flgmconcentration averaged over three consecutive years is under 35

The PMI0 24-hour standard is met when the expected number of exceedances of 150 flgm is less than or equalto one

Brayton Point s modeled PM25 and PMI0 impacts above represent maximum anual and 24shy

l)our impacts from the entire plant not merely the increases from the two new cooling towers and DSFF control system on Unit 3 Consequently the next three paragraphs which could have considered PM emission increases alone make highly conservative comparisons against action

levels

SILs or significant impact levels Emissionincreases from new and modified facilities can be permitted in designated attainment areas in the presence of air quality standards violations

40 CFR Parprovided the increase in ambient impacts from the facility fall below these levels

51 Appendix S II tabulates the significance levels Because Brayton Points 24- hour PMI0 impact 219 Jgm

3 exceeds the 5Jgm3 PMI0SIL compliance with increments and air quality standards must be more directly addressed

Monitoring exclusion Because Brayton Points 24- hour 219 Jgm3 PMI0 impact exceeds the 10Jgm3 PMI0 exclusion level the preconstruction monitoring exemption at 40 CFR 5221(i)(5)

does not appear a possibility In any event several recent years ofPMI0 and PM2 representative of the area were available and used in the air qualityanalysis required in 40 CFR

5221(m) as described above Dominion sought no preconstruction monitoring exemption

Increment An increment is the maximum amount by which existing ambient air pollutant concentrations can be allowed to increase thereby approaching an air quality standard 40 CFR 51 166( c) lists the Class IT ambient air increments that apply in Somerset Massachusetts

Because Brayton Points 24- hour 219 Jgm3 PMI0 impact falls below the 30Jgm3 PMI0 3 the increase in PMI0 emission wilincrement and its 17 Jgm anual impact below 17 Jgm

not exceed Class IT increments Note again that most of the emissions Dominion modeled would not result from the modification and do not consume increment

NAAOS The National Ambient Air Quality Standards represent the air pollutant concentrations or levels below which there wil be no adverse effects on health or welfare Compliance with the PM NAAQS is shown by comparing the last line ofthe table which sums

Brayton Points modeled impacts with background PM measurements against the NAAQS appearing in the same column In all cases Total PM concentration falls below the level of and

comply with theNAAQS

The bottom half of the table presents extracts from Dominion s modeling ofPM25 and PMI0 emissions from Brayton Point Note the following all important

Limiting or highest whole source impacts occur at intermediate 10ads (and PM emission rates) - Unit s 1 and 4 operating at 14082250 14082250 35005655 and

24394800 all in units ofmodeled heat input to maximum heat input

Initially modeling compliance against the PM25 and PMl 0 24-hour NAAQS seemed problematic In 2002 Somerset Generating Station (northwest of Brayton Point in the figure above) emitted 199 tpy PM25 and 229 tpy PMI0 Brayton Point s PM impacts approach the two standards and because the increase in Brayton Point s PM emissions

3 SIL(from Unit 3 especially) may cause PM concentration increases over the 5 Jgm(Significant hnpact Level) Dominion should have performed interactive or cumulative PM modeling to include Somerset Generating Station On 14 January AJ Jablonowski

of Epsilon (Dominion s engineering-consultant) e-mailed Region 1 more curent data for Somers t Station showing monotonically decreasing PM emission decreases from 70 tpy PMI0 and 31 tpy PM25 in 2005 to 50 tpy and 23 tpy respectively in 2007 The omission of Somerset from the modeling is in accord with the modeling protocol and acceptable

In an e-mail on 1- 15-2009 Stephen Dennis noted that in permit modellng Massachusetts DEP often requires interactive or cumulative modeling of sources with actual emissions over 100 tpy and within 1 0 km of the permit applicant SomersetStation s PM emissions are lower Note too that Dominion s modeling of Brayton Point has conservatively modeled highest 8 high and highest 2 high model PM2 5 and PMl 0 emissions against the respective PM 24-hour NAAQS where average highest 8 high and highest

high model estimates could have been used The NAAQS analyses also very conservatively assume that monitors record highest PM under conditions corresponding to highest modelled PM impacts

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Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

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Page 3: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

See the paragraphs following the ending table

40 CFR 5221(1) Air quality models requires that the dispersion models in 40 CFR 51 Appendix W be used to estimate all ambient pollutant concentrations

Dominion modeled Brayton Point s stacks and natural draft cooling tower using EP guideline (Appendix W)AERMOD dispersion model guideline preprocessors and 5

years (2002 and2004- 7 TF Green surface meteorological data with contemporary upper air data from Morris Island in Chatham) While use of a continuous record of 5

years of meterorological data is preferred TF Green s data capture for 2003 was substandard

40 CFR 5221(m) Air quality analysis requires an analysis of at least one year of generally continuous air quality data representative of the area that over significant emission increaseswould affect

Thefollowingfigure identifes locations of monitoring sites collecting PM2 5 and PM10 data representative of the areas Brayton Point s PM emission increases would affect Dominion selected data from these sites and combined it with modeling data to assess whether the plant modifcation would comply with PM2 5 and PM10 standards

FacilityMonitor Locator Mop rite ria Air Pollutants AirDataCounties in Massachusetts Rhode Island

Shaded counties have monitors or facilities

Highway Interstate Federal State Monitor Location 0 PM10 (5) o PM25 (6) Facility Location - (12)

Source US EPA Office of Air and Radiation AQS and NEI Databases Tuesday January 6 2009

---------------------------------------------------------------------------------------------------------

40 CFR 5221(0) Additional impacts analysis requires an assessment of the impacts on visibility soils and vegetation of emissions from the modification and associated growth

did not require Dominion to assess the visual impact of the cooling towers steam plumes because water vapor and water dropletsaerosols are not pollutants regulated by the Clean Air Act Dominion modeled salt deposition from cooling tower

Region

drif using the nonguideline SA CTI (Seasonal-Annual Cooling Tower Impact) Model

Appendix W is mandatory for concentration calculations not deposition estimates

40 CFR 5221(0) Sources impacting Federal Class I areas requires EPA to give wrtten notice

to the Federal Land Manager of any Class 1 area which the increase in emissions from a major new of modified source may affect

Dominion assessed the impact of the increase in PM emissions at Brayton Point on visibility in the nearest Class I area (Lye Brook Wilderness Vermont) with the

VISCREEN Model The models Levell screen showed no potentialfor visibilty km awayimpairment in the Class 1 area 213

40 CFR 5221(k) Source impact analysis Discussion continued

Tabulated below are the concentration levels relevant to permitting any major new or modified source of PM emissions

All concentrations in PM2 PMI0

J-gm

Anual 24- HourAction level Anual 24- Hour

SILs Regulations 1

Monitoring exclusion on these

Increment pending

None 150NAAQS

Modeled and monitored

17 219Brayton Point 14

Background

67Total 10 33 20

PM25 annual air quality standard is-met when the average of the arithmetic annual average over three consecutive years falls below 15 flgmNotes

The PM2 5 24-hour will be met when the 98-tile highest monitored PM2 flgmconcentration averaged over three consecutive years is under 35

The PMI0 24-hour standard is met when the expected number of exceedances of 150 flgm is less than or equalto one

Brayton Point s modeled PM25 and PMI0 impacts above represent maximum anual and 24shy

l)our impacts from the entire plant not merely the increases from the two new cooling towers and DSFF control system on Unit 3 Consequently the next three paragraphs which could have considered PM emission increases alone make highly conservative comparisons against action

levels

SILs or significant impact levels Emissionincreases from new and modified facilities can be permitted in designated attainment areas in the presence of air quality standards violations

40 CFR Parprovided the increase in ambient impacts from the facility fall below these levels

51 Appendix S II tabulates the significance levels Because Brayton Points 24- hour PMI0 impact 219 Jgm

3 exceeds the 5Jgm3 PMI0SIL compliance with increments and air quality standards must be more directly addressed

Monitoring exclusion Because Brayton Points 24- hour 219 Jgm3 PMI0 impact exceeds the 10Jgm3 PMI0 exclusion level the preconstruction monitoring exemption at 40 CFR 5221(i)(5)

does not appear a possibility In any event several recent years ofPMI0 and PM2 representative of the area were available and used in the air qualityanalysis required in 40 CFR

5221(m) as described above Dominion sought no preconstruction monitoring exemption

Increment An increment is the maximum amount by which existing ambient air pollutant concentrations can be allowed to increase thereby approaching an air quality standard 40 CFR 51 166( c) lists the Class IT ambient air increments that apply in Somerset Massachusetts

Because Brayton Points 24- hour 219 Jgm3 PMI0 impact falls below the 30Jgm3 PMI0 3 the increase in PMI0 emission wilincrement and its 17 Jgm anual impact below 17 Jgm

not exceed Class IT increments Note again that most of the emissions Dominion modeled would not result from the modification and do not consume increment

NAAOS The National Ambient Air Quality Standards represent the air pollutant concentrations or levels below which there wil be no adverse effects on health or welfare Compliance with the PM NAAQS is shown by comparing the last line ofthe table which sums

Brayton Points modeled impacts with background PM measurements against the NAAQS appearing in the same column In all cases Total PM concentration falls below the level of and

comply with theNAAQS

The bottom half of the table presents extracts from Dominion s modeling ofPM25 and PMI0 emissions from Brayton Point Note the following all important

Limiting or highest whole source impacts occur at intermediate 10ads (and PM emission rates) - Unit s 1 and 4 operating at 14082250 14082250 35005655 and

24394800 all in units ofmodeled heat input to maximum heat input

Initially modeling compliance against the PM25 and PMl 0 24-hour NAAQS seemed problematic In 2002 Somerset Generating Station (northwest of Brayton Point in the figure above) emitted 199 tpy PM25 and 229 tpy PMI0 Brayton Point s PM impacts approach the two standards and because the increase in Brayton Point s PM emissions

3 SIL(from Unit 3 especially) may cause PM concentration increases over the 5 Jgm(Significant hnpact Level) Dominion should have performed interactive or cumulative PM modeling to include Somerset Generating Station On 14 January AJ Jablonowski

of Epsilon (Dominion s engineering-consultant) e-mailed Region 1 more curent data for Somers t Station showing monotonically decreasing PM emission decreases from 70 tpy PMI0 and 31 tpy PM25 in 2005 to 50 tpy and 23 tpy respectively in 2007 The omission of Somerset from the modeling is in accord with the modeling protocol and acceptable

In an e-mail on 1- 15-2009 Stephen Dennis noted that in permit modellng Massachusetts DEP often requires interactive or cumulative modeling of sources with actual emissions over 100 tpy and within 1 0 km of the permit applicant SomersetStation s PM emissions are lower Note too that Dominion s modeling of Brayton Point has conservatively modeled highest 8 high and highest 2 high model PM2 5 and PMl 0 emissions against the respective PM 24-hour NAAQS where average highest 8 high and highest

high model estimates could have been used The NAAQS analyses also very conservatively assume that monitors record highest PM under conditions corresponding to highest modelled PM impacts

~~~

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Pt C

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- 21-

2009

Ren

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onito

rim1

for

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nrto

n P

1

1

nO

OQ

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

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Page 4: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

---------------------------------------------------------------------------------------------------------

40 CFR 5221(0) Additional impacts analysis requires an assessment of the impacts on visibility soils and vegetation of emissions from the modification and associated growth

did not require Dominion to assess the visual impact of the cooling towers steam plumes because water vapor and water dropletsaerosols are not pollutants regulated by the Clean Air Act Dominion modeled salt deposition from cooling tower

Region

drif using the nonguideline SA CTI (Seasonal-Annual Cooling Tower Impact) Model

Appendix W is mandatory for concentration calculations not deposition estimates

40 CFR 5221(0) Sources impacting Federal Class I areas requires EPA to give wrtten notice

to the Federal Land Manager of any Class 1 area which the increase in emissions from a major new of modified source may affect

Dominion assessed the impact of the increase in PM emissions at Brayton Point on visibility in the nearest Class I area (Lye Brook Wilderness Vermont) with the

VISCREEN Model The models Levell screen showed no potentialfor visibilty km awayimpairment in the Class 1 area 213

40 CFR 5221(k) Source impact analysis Discussion continued

Tabulated below are the concentration levels relevant to permitting any major new or modified source of PM emissions

All concentrations in PM2 PMI0

J-gm

Anual 24- HourAction level Anual 24- Hour

SILs Regulations 1

Monitoring exclusion on these

Increment pending

None 150NAAQS

Modeled and monitored

17 219Brayton Point 14

Background

67Total 10 33 20

PM25 annual air quality standard is-met when the average of the arithmetic annual average over three consecutive years falls below 15 flgmNotes

The PM2 5 24-hour will be met when the 98-tile highest monitored PM2 flgmconcentration averaged over three consecutive years is under 35

The PMI0 24-hour standard is met when the expected number of exceedances of 150 flgm is less than or equalto one

Brayton Point s modeled PM25 and PMI0 impacts above represent maximum anual and 24shy

l)our impacts from the entire plant not merely the increases from the two new cooling towers and DSFF control system on Unit 3 Consequently the next three paragraphs which could have considered PM emission increases alone make highly conservative comparisons against action

levels

SILs or significant impact levels Emissionincreases from new and modified facilities can be permitted in designated attainment areas in the presence of air quality standards violations

40 CFR Parprovided the increase in ambient impacts from the facility fall below these levels

51 Appendix S II tabulates the significance levels Because Brayton Points 24- hour PMI0 impact 219 Jgm

3 exceeds the 5Jgm3 PMI0SIL compliance with increments and air quality standards must be more directly addressed

Monitoring exclusion Because Brayton Points 24- hour 219 Jgm3 PMI0 impact exceeds the 10Jgm3 PMI0 exclusion level the preconstruction monitoring exemption at 40 CFR 5221(i)(5)

does not appear a possibility In any event several recent years ofPMI0 and PM2 representative of the area were available and used in the air qualityanalysis required in 40 CFR

5221(m) as described above Dominion sought no preconstruction monitoring exemption

Increment An increment is the maximum amount by which existing ambient air pollutant concentrations can be allowed to increase thereby approaching an air quality standard 40 CFR 51 166( c) lists the Class IT ambient air increments that apply in Somerset Massachusetts

Because Brayton Points 24- hour 219 Jgm3 PMI0 impact falls below the 30Jgm3 PMI0 3 the increase in PMI0 emission wilincrement and its 17 Jgm anual impact below 17 Jgm

not exceed Class IT increments Note again that most of the emissions Dominion modeled would not result from the modification and do not consume increment

NAAOS The National Ambient Air Quality Standards represent the air pollutant concentrations or levels below which there wil be no adverse effects on health or welfare Compliance with the PM NAAQS is shown by comparing the last line ofthe table which sums

Brayton Points modeled impacts with background PM measurements against the NAAQS appearing in the same column In all cases Total PM concentration falls below the level of and

comply with theNAAQS

The bottom half of the table presents extracts from Dominion s modeling ofPM25 and PMI0 emissions from Brayton Point Note the following all important

Limiting or highest whole source impacts occur at intermediate 10ads (and PM emission rates) - Unit s 1 and 4 operating at 14082250 14082250 35005655 and

24394800 all in units ofmodeled heat input to maximum heat input

Initially modeling compliance against the PM25 and PMl 0 24-hour NAAQS seemed problematic In 2002 Somerset Generating Station (northwest of Brayton Point in the figure above) emitted 199 tpy PM25 and 229 tpy PMI0 Brayton Point s PM impacts approach the two standards and because the increase in Brayton Point s PM emissions

3 SIL(from Unit 3 especially) may cause PM concentration increases over the 5 Jgm(Significant hnpact Level) Dominion should have performed interactive or cumulative PM modeling to include Somerset Generating Station On 14 January AJ Jablonowski

of Epsilon (Dominion s engineering-consultant) e-mailed Region 1 more curent data for Somers t Station showing monotonically decreasing PM emission decreases from 70 tpy PMI0 and 31 tpy PM25 in 2005 to 50 tpy and 23 tpy respectively in 2007 The omission of Somerset from the modeling is in accord with the modeling protocol and acceptable

In an e-mail on 1- 15-2009 Stephen Dennis noted that in permit modellng Massachusetts DEP often requires interactive or cumulative modeling of sources with actual emissions over 100 tpy and within 1 0 km of the permit applicant SomersetStation s PM emissions are lower Note too that Dominion s modeling of Brayton Point has conservatively modeled highest 8 high and highest 2 high model PM2 5 and PMl 0 emissions against the respective PM 24-hour NAAQS where average highest 8 high and highest

high model estimates could have been used The NAAQS analyses also very conservatively assume that monitors record highest PM under conditions corresponding to highest modelled PM impacts

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2009

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Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

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Page 5: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

Brayton Point s modeled PM25 and PMI0 impacts above represent maximum anual and 24shy

l)our impacts from the entire plant not merely the increases from the two new cooling towers and DSFF control system on Unit 3 Consequently the next three paragraphs which could have considered PM emission increases alone make highly conservative comparisons against action

levels

SILs or significant impact levels Emissionincreases from new and modified facilities can be permitted in designated attainment areas in the presence of air quality standards violations

40 CFR Parprovided the increase in ambient impacts from the facility fall below these levels

51 Appendix S II tabulates the significance levels Because Brayton Points 24- hour PMI0 impact 219 Jgm

3 exceeds the 5Jgm3 PMI0SIL compliance with increments and air quality standards must be more directly addressed

Monitoring exclusion Because Brayton Points 24- hour 219 Jgm3 PMI0 impact exceeds the 10Jgm3 PMI0 exclusion level the preconstruction monitoring exemption at 40 CFR 5221(i)(5)

does not appear a possibility In any event several recent years ofPMI0 and PM2 representative of the area were available and used in the air qualityanalysis required in 40 CFR

5221(m) as described above Dominion sought no preconstruction monitoring exemption

Increment An increment is the maximum amount by which existing ambient air pollutant concentrations can be allowed to increase thereby approaching an air quality standard 40 CFR 51 166( c) lists the Class IT ambient air increments that apply in Somerset Massachusetts

Because Brayton Points 24- hour 219 Jgm3 PMI0 impact falls below the 30Jgm3 PMI0 3 the increase in PMI0 emission wilincrement and its 17 Jgm anual impact below 17 Jgm

not exceed Class IT increments Note again that most of the emissions Dominion modeled would not result from the modification and do not consume increment

NAAOS The National Ambient Air Quality Standards represent the air pollutant concentrations or levels below which there wil be no adverse effects on health or welfare Compliance with the PM NAAQS is shown by comparing the last line ofthe table which sums

Brayton Points modeled impacts with background PM measurements against the NAAQS appearing in the same column In all cases Total PM concentration falls below the level of and

comply with theNAAQS

The bottom half of the table presents extracts from Dominion s modeling ofPM25 and PMI0 emissions from Brayton Point Note the following all important

Limiting or highest whole source impacts occur at intermediate 10ads (and PM emission rates) - Unit s 1 and 4 operating at 14082250 14082250 35005655 and

24394800 all in units ofmodeled heat input to maximum heat input

Initially modeling compliance against the PM25 and PMl 0 24-hour NAAQS seemed problematic In 2002 Somerset Generating Station (northwest of Brayton Point in the figure above) emitted 199 tpy PM25 and 229 tpy PMI0 Brayton Point s PM impacts approach the two standards and because the increase in Brayton Point s PM emissions

3 SIL(from Unit 3 especially) may cause PM concentration increases over the 5 Jgm(Significant hnpact Level) Dominion should have performed interactive or cumulative PM modeling to include Somerset Generating Station On 14 January AJ Jablonowski

of Epsilon (Dominion s engineering-consultant) e-mailed Region 1 more curent data for Somers t Station showing monotonically decreasing PM emission decreases from 70 tpy PMI0 and 31 tpy PM25 in 2005 to 50 tpy and 23 tpy respectively in 2007 The omission of Somerset from the modeling is in accord with the modeling protocol and acceptable

In an e-mail on 1- 15-2009 Stephen Dennis noted that in permit modellng Massachusetts DEP often requires interactive or cumulative modeling of sources with actual emissions over 100 tpy and within 1 0 km of the permit applicant SomersetStation s PM emissions are lower Note too that Dominion s modeling of Brayton Point has conservatively modeled highest 8 high and highest 2 high model PM2 5 and PMl 0 emissions against the respective PM 24-hour NAAQS where average highest 8 high and highest

high model estimates could have been used The NAAQS analyses also very conservatively assume that monitors record highest PM under conditions corresponding to highest modelled PM impacts

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2009

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Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

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Page 6: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

of Epsilon (Dominion s engineering-consultant) e-mailed Region 1 more curent data for Somers t Station showing monotonically decreasing PM emission decreases from 70 tpy PMI0 and 31 tpy PM25 in 2005 to 50 tpy and 23 tpy respectively in 2007 The omission of Somerset from the modeling is in accord with the modeling protocol and acceptable

In an e-mail on 1- 15-2009 Stephen Dennis noted that in permit modellng Massachusetts DEP often requires interactive or cumulative modeling of sources with actual emissions over 100 tpy and within 1 0 km of the permit applicant SomersetStation s PM emissions are lower Note too that Dominion s modeling of Brayton Point has conservatively modeled highest 8 high and highest 2 high model PM2 5 and PMl 0 emissions against the respective PM 24-hour NAAQS where average highest 8 high and highest

high model estimates could have been used The NAAQS analyses also very conservatively assume that monitors record highest PM under conditions corresponding to highest modelled PM impacts

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BH

EN

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Pt C

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- 21-

2009

Ren

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1

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nO

OQ

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

PS

D P

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2009

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1

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OQ

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

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Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

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er

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Per

mit

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Cog

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PS

D P

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it Is

sued

by

DE

P

Bel

lingh

am (

belo

w S

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N

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Bel

lingh

am (

belo

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Bel

lingh

am

Bel

lingh

am A

NP

Fac

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(below SILs)

073

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PS

D P

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by

DE

P

PM10

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(be

low

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s)

Bla

ckst

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lack

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e F

acili

ty

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ckst

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(bel

ow S

ILs)

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11

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D P

erm

it Is

sued

by

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P

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e (b

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AT

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Fac

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rgy

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(be

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PS

D P

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it Is

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by

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idge

(be

low

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Cha

rlet

on

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enni

um P

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N

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012

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PS

D P

erm

it Is

sued

by

DE

P

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evel

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PM10

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vere

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012

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PS

D P

erm

it Is

sued

by

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P

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6

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979

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amp V

ose

Boi

ler

S02

PS

D P

erm

it Is

sued

by

EP

A

Haverhill

Haverhill P

aperboard Facility

SIP

Revision Issued by E

PA

Haverhill

Haverhill R

R F

acility P

SD

Perm

it Issued by DE

P

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Riverside Pow

er Plant P

SD

Perm

it Issued by DE

P

(Never Constructed)

Holyoke

Holyoke G

as amp E

lectric Com

pany S

IP R

evision Issued by EP

A

Law

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gden Martin R

R F

acility P

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Perm

it Issued by EP

A

(Closed in 698)

Law

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gden Martin R

R F

acility P

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Perm

it Issued by DE

P

(Closed in 698)

Low

ell Low

ell Cogeneration F

acility P

SD

Perm

it Issued by DE

P

Ludlow

M

MW

EC

Pow

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PS

D P

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PA

Lynn

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Jet Engine T

est Cells

PS

D P

ermit Issued by D

EP

Medw

ay M

edway F

acility P

SD

Perm

it Issued by DE

P

(Never C

onstructed)

Millbury

Millbury R

R F

acility P

SD

Perm

it Issued by DE

P

Natick

Natick PaperbQ

ard P

SD

Perm

it Issued by EP

A

New

Bedford

New

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ogeneration Facility

S02

S02

S02

S02

S02

S02 N

02

S02

S02

N02

N02

PM10

S02

S02

S02

071481

Consum

es increment in baseline areas

032789 triggered before 032789

Holyoke

032588 H

olyoke

Consum

es increment in baseline areas

101381 triggered before 101381

Law

rence 122179

121289 L

awrence

Lowell only

051887 Low

ell only

Ludlow

Belchertow

n Granby Palm

er 080478

South H

adley Wilbraham

L

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Lynn

021993

Medw

ay (below S

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Medw

ay (below S

ILs)

Millbury

110885 M

illbury

Natick

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251980

New

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071194

PS

D P

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by

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New

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(Never Constructed)

N02

N

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C R

R F

acili

ty

S02

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nce

PS

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it Is

sued

by

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A

(PM

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over

080

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SE

MA

SS

RR

Fac

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by

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A

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08

08

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ster

S

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AS

S R

R F

acili

ty

Permit Modification for Unit 1and Unit 2

PS

D P

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it Is

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by

DE

P

S02

06

21

90

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hest

er

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MA

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Fac

ility

for

Uni

t 3

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itlss

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by D

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gh

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hest

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onta

chus

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nal R

ecyc

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irle

y L

eom

inst

er A

yer

090

193

PS

D P

erm

it is

sued

by

DE

P

Lunenburg Lancaster

Har

vard

(Never Constructed)

South Hadley

Tex

on I

ncor

pora

ted

S02

Con

sum

es in

crem

ent i

n ba

selin

e ar

eas

030

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SIP

Rev

isio

n Is

sued

by

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A

trig

gere

d be

fore

30

279

(C

ease

d op

erat

ion

in 1

989)

Spri

ngfi

eld

M

assp

ower

Cog

en F

acili

ty

S02

Spri

ngfi

eld

090

590

PS

D P

erm

it Is

sued

by

DE

P

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ring

fiel

d

Tau

nton

T

aunt

on E

nerg

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ente

r S0

2 T

aunt

on

PS

D A

pplic

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n C

ompl

ete

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aunt

on

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kley

(P

SD P

erm

it N

ever

Iss

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e

120

291

W

are

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are

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ty

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sued

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e (N

ever

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e

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ore

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05

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by

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P

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eym

outh

(be

low

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s)

N02

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eym

outh

(be

low

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s)

060

192

PSD Perm

it Approval D

ate (permit com

pleteness date not documented)

SIP

Approval D

ate M

emo approving m

odeling analysis from R

ichard Fields

Page 9: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

~~~

~~~

~~~~

~

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AQ

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is updated daily by state and local organizations who own and submit the data Please contact the pertinent

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Pt C

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- 21-

2009

Ren

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for

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1

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nO

OQ

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

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BH

EN

NSS

Des

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Bra

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Pt C

T 1

- 21-

2009

Ren

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rim1

for

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nrto

n P

1

1

nO

OQ

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

PS

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Page 11: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

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Bra

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Pt C

T 1

- 21-

2009

Ren

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M m

onito

rim1

for

Hr

nrto

n P

1

1

nO

OQ

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

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EN

NSS

Des

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Bra

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Pt C

T 1

- 21-

2009

Ren

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M m

onito

rim1

for

Hr

nrto

n P

1

1

nO

OQ

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

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192

PSD Perm

it Approval D

ate (permit com

pleteness date not documented)

SIP

Approval D

ate M

emo approving m

odeling analysis from R

ichard Fields

Page 13: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA Dennis Stephen cStephen Dennis(gstate ma (DEP) -cStephenDennis(gstatema

cc Hendrick Elizabeth -cehendrick(gepsilonassociates com Winkler John (DEP) -cJohnWinkler(gstate ma012020090211 PM

bcc

Subject RE Brayton Point

Brian I think we are in agreement

1 The Taunton Energy PSD application did not trigger minor sourcebaseline

for PM10 because a PSD review for PM10 was not required

2 The New Bedford Cogen PSD applications triggered minor sourcebaseline for

PM10 in New Bedford The New Bedford Cogen application didn trigger minor

source baseline anywhere else because its 1 ugm3 PMI0 annual isopleth did

not extend outside New Bedford

3 The SEMASS PSD applications triggered minor source baseline for PMI0

Rochester SEMASS PMI0 impacts are below all PMI0 SILs

4 PMI0 minor source baseline has not yet been triggered in Somerset Dominion

will trigger PMI0 minor source baseline in Somerset and any other municipalities located within its 1 ugm3 annual average PMI0

isopleth

5 Dominion will consume PMI0 increment in Somerset if Dominion PMI0 impacts

are above PMI0 SILs in Somerset Dominion will also consume PMI0 increment

in other municipalities where PM10 baseline has been triggered (such as New

Bedford) if Dominion PMI0 impacts are above PMI0 SILs in suchmunicipalities

By the way neither Taunton Energy nor New Bedford Cogen were built and therefore would not consume PSD increment Any ideas on how to untrigger PMI0 minor source baseline in Taunton and New Bedford assuming it s possible

-----Original Message----shyFrom hennessey brian epamail epa gov (mail to hennessey brian epamail epa gov) Sent Thursday January 15 2009 458 PM To Dennis Stephen (DEP)Cc Hendrick Elizabeth Winkler John (DEP) Subj ect RE Brayton Point

Steve shy

We go by the date a complete PSD permit application was filed the source need not actually build although where the source does not build

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

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Page 14: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

some states have been able to untrigger baseline My review of the Brayton Point case only looked at the Taunton Energy Center- reportedly closest to Somerset - but the plant hardly matters because your 11-1-2008 spreadsheet indicates it is below significant for PM a bit concerned however about the SEMASS (Rochester) and the New Bedford cogen because while they be a bit more distant both wereemissions-significant for PM With impacts below the SILs SEMASS could not set PM baseline area anywhere but in Rochester That leaves the New Bedford cogen as a possible trigger for Somerset PM baseline My review of Dominion s permit modeling concluded that the Somerset baseline area had not been set yet for PM and therefore that only PMemission increases linked to the DSFF control and 2 cooling towers needed to bemodeled for increment consumption wi thin Somerset

The cog en s not more a concern as a trigger for prior incrementconsumption by sources wi thin Somerset than as an increment consumeritself And thanks for your words on selecting nearby sources for interactivemodeling

Br i an

Dennis Stephen (DEP) Stephen Dennis

0state ma us Hendrick Elizabeth

01152009 12 54

ehendrick0epsilonassociates comWinkler John (DEP)John Winkler0state ma us

Brian Hennessey RlUSEPAUS0EPA

RE Brayton Point Subj ect

The closest existing PSD source in Massachusetts is SEMASS in Rochester about 10 miles distant Its impacts are below SILs so it would not have to be included in a PSD increment consumption analysis (do youagree Brian)

In the early 90 s there was a PSD application in New Bedford and a PSD application in Taunton - but they were never constructed and therefore wouldn t consume PSD increments (do you agree Brian)

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

PS

D P

ER

MIT

S A

ND

PS

D S

IP R

EV

ISIO

NS

IN M

AS

SA

CU

SE

TT

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ON

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G P

SD

INC

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NT

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OF

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8

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rces

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olyoke

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101381 triggered before 101381

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rence 122179

121289 L

awrence

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ell only

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n Granby Palm

er 080478

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adley Wilbraham

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udlow

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ay (below S

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kley

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192

PSD Perm

it Approval D

ate (permit com

pleteness date not documented)

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Approval D

ate M

emo approving m

odeling analysis from R

ichard Fields

Page 15: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

A MassDEP search for nearby sources that could significantly interact with Brayton point - typically defined by MassDEP as 100 ton sources within 10 km (actual emissions) and 1000 ton sources within 20 km (actual emissions) indicated that there were no such sources for PM10 and PM2 5

From Hendrick Elizabeth (mail to ehendrick epsilonassociates comJ Sent Friday January 09 2009 11 28 AM

Dennis Stephen (DEP) Cc J abl onows ki Subj ect Brayton Point

To

Steve When we talked about the PSD status of the area for Brayton Point you thought that there may have been permits submitted triggering PSD baseline but that these projects have never been built You said you would check with Brian Hennessey at EPA about any other cumulative sources and PSD increment consuming sources in the area of Brayton Pt Have you had a chance to do that We are trying to wrap this up and have assumed so far that there are no interactive sources but confirmation would be helpful Than ks Liz

Hendrick CCM Senior Consultant EpsilonAssociates Inc ELizabeth M

3 Clock Tower Place Suite 250 Maynard MA 01754 I 978 897 7100 P 978 4616249 f 978 897 0099I I

1 ehendrick epsilonassociates com www epsilonassociates com

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

PS

D P

ER

MIT

S A

ND

PS

D S

IP R

EV

ISIO

NS

IN M

AS

SA

CU

SE

TT

S C

ON

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MIN

G P

SD

INC

RE

ME

NT

AS

OF

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100

8

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rces

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e

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rem

ent C

onsu

med

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inor

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rce

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elin

e A

rea(

s) T

rigge

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licat

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n by

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mit

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y D

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mit

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EP

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688

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outh

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ton

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ose

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ler

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erm

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A

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Haverhill P

aperboard Facility

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Revision Issued by E

PA

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Haverhill R

R F

acility P

SD

Perm

it Issued by DE

P

Holyoke

Riverside Pow

er Plant P

SD

Perm

it Issued by DE

P

(Never Constructed)

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as amp E

lectric Com

pany S

IP R

evision Issued by EP

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Law

rence O

gden Martin R

R F

acility P

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it Issued by EP

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(Closed in 698)

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rence O

gden Martin R

R F

acility P

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it Issued by DE

P

(Closed in 698)

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ell Low

ell Cogeneration F

acility P

SD

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it Issued by DE

P

Ludlow

M

MW

EC

Pow

er Plant

PS

D P

ermit Issued by E

PA

Lynn

GE

Jet Engine T

est Cells

PS

D P

ermit Issued by D

EP

Medw

ay M

edway F

acility P

SD

Perm

it Issued by DE

P

(Never C

onstructed)

Millbury

Millbury R

R F

acility P

SD

Perm

it Issued by DE

P

Natick

Natick PaperbQ

ard P

SD

Perm

it Issued by EP

A

New

Bedford

New

Bedford C

ogeneration Facility

S02

S02

S02

S02

S02

S02 N

02

S02

S02

N02

N02

PM10

S02

S02

S02

071481

Consum

es increment in baseline areas

032789 triggered before 032789

Holyoke

032588 H

olyoke

Consum

es increment in baseline areas

101381 triggered before 101381

Law

rence 122179

121289 L

awrence

Lowell only

051887 Low

ell only

Ludlow

Belchertow

n Granby Palm

er 080478

South H

adley Wilbraham

L

udlow

Lynn

021993

Medw

ay (below S

ILs) 010803

Medw

ay (below S

ILs)

Millbury

110885 M

illbury

Natick

Wellesley

251980

New

Bedford

071194

PS

D P

erm

it Is

sued

by

DE

P

New

Bed

ford

(Never Constructed)

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N

ew B

edfo

rd

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th A

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er

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R F

acili

ty

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(S02) Metheun

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ndov

er L

awre

nce

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D P

erm

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A

(PM

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orth

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080

480

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hest

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SE

MA

SS

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ility

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iddl

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oche

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EP

A

Roc

hest

er

S02

08

08

85R

oche

ster

S

EM

AS

S R

R F

acili

ty

Permit Modification for Unit 1and Unit 2

PS

D P

erm

it Is

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90

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hest

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SE

MA

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y L

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inst

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yer

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it is

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Lunenburg Lancaster

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vard

(Never Constructed)

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on I

ncor

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ted

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sum

es in

crem

ent i

n ba

selin

e ar

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279

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n Is

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trig

gere

d be

fore

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279

(C

ease

d op

erat

ion

in 1

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ngfi

eld

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assp

ower

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acili

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eld

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it Is

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nerg

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ente

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pplic

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ompl

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aunt

on

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kley

(P

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erm

it N

ever

Iss

ued)

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e

120

291

W

are

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are

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en F

acili

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erm

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e (N

ever

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stru

cted

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ore

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PS

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erm

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P

PM10

W

eym

outh

(be

low

SIL

s)

N02

W

eym

outh

(be

low

SIL

s)

060

192

PSD Perm

it Approval D

ate (permit com

pleteness date not documented)

SIP

Approval D

ate M

emo approving m

odeling analysis from R

ichard Fields

Page 16: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

Jablonowski AJ To Jablonowski AJ -cajablonowski(Qepsilonassociatescom -cajablonowski(Qepsilonassoc Brian HennesseyR1USEPAlUS(QEPA Brendan iateseom MccahillR 1USEP AIUS(QEPA

cc -cScott Lawton(Qdomcom Hendrick Elizabeth011420090931 AM -cehendrick(QEpsi lonassociatescom

bee

Subject RE Somerset Station

Brian

Following up here is additional information that actual particulate emissions are less than 100 tons at Somerset Station The attached pages from their emission statements show the following annual emissions

2005 69 71 tons PM10 30 77 tons PM2

2006 61 56 tons PM10 2827 tons PM2

2007 50 07 tons PM10 22 97 tons PM2

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250

Maynard MA 01754

978-461-6202 mobile 978-793-2571

ajablonowski epsilonassociates com

wwepsilonassociates com

Dominion Req_2006-2007 TES (12Jan09) pdf

From Jablonowski AJ

Sent Tuesday January 13 2009212 PM To hennesseybrian(Qepagov

Cc Scott Lawton(Qdomcom Hendrick Elizabeth

Subject Somerset Station

Brian

At the request of Scott Lawton of Dominion I am forwarding to you the attached spreadsheet which is a summary of Massachusetts DEP source inventory data for emissions for calendar year 2005 Somerset Station is on row 656 and shows actual emissions of 697083 tons PM10 and 307701 tons PM2

Based on Scott s recollection a reduction in emissions between 2002 and 2005 would be consistent with operational changes that took place at Somerset Station

I found the data you discussed yesterday on the EPA AIRS database I noted that the EPA AIRS

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

PS

D P

ER

MIT

S A

ND

PS

D S

IP R

EV

ISIO

NS

IN M

AS

SA

CU

SE

TT

S C

ON

SU

MIN

G P

SD

INC

RE

ME

NT

AS

OF

11

100

8

Sou

rces

Nam

e

PSD

Inc

rem

ent C

onsu

med

M

inor

Sou

rce

Bas

elin

e A

rea(

s) T

rigge

red

App

licat

ion

City

Tow

n by

PS

D P

erm

it A

plic

atio

n C

ompl

ete

S02

A

gaw

am

Spr

infie

ld

Wes

t Spr

ingf

ield

06

27

86

Aga

wam

V

icon

RR

Fac

ility

P

SD

Per

mit

Issu

ed b

y D

EP

A

gaw

am

Aga

wam

11

22

97

Aga

wam

B

erks

hire

Pow

er

N02

P

SD

Per

mit

issu

ed b

y D

EP

121

688

B

ellin

gham

B

ellin

gham

Cog

ener

atio

n F

acili

ty

S02

Bel

lingh

am (

belo

w S

ILs)

PS

D P

erm

it Is

sued

by

DE

P

Bel

lingh

am (

belo

w S

ILs)

N

02

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lingh

am (

belo

w S

ILs)

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lingh

am

Bel

lingh

am A

NP

Fac

ility

N

02

(below SILs)

073

099

PS

D P

erm

it Is

sued

by

DE

P

PM10

B

ellin

gham

(be

low

SIL

s)

Bla

ckst

one

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lack

ston

e F

acili

ty

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Bla

ckst

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(bel

ow S

ILs)

11

11

99

PS

D P

erm

it Is

sued

by

DE

P

PM10

B

lack

ston

e (b

elow

SIL

s)

N02

B

lack

ston

e (b

elow

SIL

s)

Pre-

1990

Bos

ton

M

AT

EP

Fac

ility

S0

2 E

xem

pt fr

om P

SD

Per

mit

But

C

onsu

mes

PS

D In

crem

ent

091

001

C

ambr

idge

S

outh

Ene

rgy

Ken

dall

LLC

S0

2 C

ambr

idge

(be

low

SIL

s)

PS

D P

erm

it Is

sued

by

DE

P

PM10

C

ambr

idge

(be

low

SIL

s)

Cha

rlet

on

Mill

enni

um P

ower

N

02

Charleton (below SILs)

012

998

PS

D P

erm

it Is

sued

by

DE

P

Eve

rett

S

ithe

Mys

tic D

evel

opm

ent

PM10

E

vere

tt (b

elow

SIL

s)

012

502

PS

D P

erm

it Is

sued

by

DE

P

Gro

ton

6

151

979

Gro

ton

H

ollin

gsw

orth

amp V

ose

Boi

ler

S02

PS

D P

erm

it Is

sued

by

EP

A

Haverhill

Haverhill P

aperboard Facility

SIP

Revision Issued by E

PA

Haverhill

Haverhill R

R F

acility P

SD

Perm

it Issued by DE

P

Holyoke

Riverside Pow

er Plant P

SD

Perm

it Issued by DE

P

(Never Constructed)

Holyoke

Holyoke G

as amp E

lectric Com

pany S

IP R

evision Issued by EP

A

Law

rence O

gden Martin R

R F

acility P

SD

Perm

it Issued by EP

A

(Closed in 698)

Law

rence O

gden Martin R

R F

acility P

SD

Perm

it Issued by DE

P

(Closed in 698)

Low

ell Low

ell Cogeneration F

acility P

SD

Perm

it Issued by DE

P

Ludlow

M

MW

EC

Pow

er Plant

PS

D P

ermit Issued by E

PA

Lynn

GE

Jet Engine T

est Cells

PS

D P

ermit Issued by D

EP

Medw

ay M

edway F

acility P

SD

Perm

it Issued by DE

P

(Never C

onstructed)

Millbury

Millbury R

R F

acility P

SD

Perm

it Issued by DE

P

Natick

Natick PaperbQ

ard P

SD

Perm

it Issued by EP

A

New

Bedford

New

Bedford C

ogeneration Facility

S02

S02

S02

S02

S02

S02 N

02

S02

S02

N02

N02

PM10

S02

S02

S02

071481

Consum

es increment in baseline areas

032789 triggered before 032789

Holyoke

032588 H

olyoke

Consum

es increment in baseline areas

101381 triggered before 101381

Law

rence 122179

121289 L

awrence

Lowell only

051887 Low

ell only

Ludlow

Belchertow

n Granby Palm

er 080478

South H

adley Wilbraham

L

udlow

Lynn

021993

Medw

ay (below S

ILs) 010803

Medw

ay (below S

ILs)

Millbury

110885 M

illbury

Natick

Wellesley

251980

New

Bedford

071194

PS

D P

erm

it Is

sued

by

DE

P

New

Bed

ford

(Never Constructed)

N02

N

ew B

edfo

rd

022

582

Nor

th A

ndov

er

NE

SW

C R

R F

acili

ty

S02

(S02) Metheun

N A

ndov

er L

awre

nce

PS

D P

erm

it Is

sued

by

EP

A

(PM

) N

orth

And

over

080

480

Roc

hest

er

SE

MA

SS

RR

Fac

ility

S0

2 M

iddl

ebor

ough

R

oche

ster

PS

D P

erm

it Is

sued

by

EP

A

Roc

hest

er

S02

08

08

85R

oche

ster

S

EM

AS

S R

R F

acili

ty

Permit Modification for Unit 1and Unit 2

PS

D P

erm

it Is

sued

by

DE

P

S02

06

21

90

Roc

hest

er

SE

MA

SS

RR

Fac

ility

for

Uni

t 3

PS

D P

erm

itlss

ued

by D

EP

N

02

Mid

dleb

orou

gh

Roc

hest

er

Shir

ley

M

onta

chus

ett R

egio

nal R

ecyc

ling

N02

Sh

irle

y L

eom

inst

er A

yer

090

193

PS

D P

erm

it is

sued

by

DE

P

Lunenburg Lancaster

Har

vard

(Never Constructed)

South Hadley

Tex

on I

ncor

pora

ted

S02

Con

sum

es in

crem

ent i

n ba

selin

e ar

eas

030

279

SIP

Rev

isio

n Is

sued

by

EP

A

trig

gere

d be

fore

30

279

(C

ease

d op

erat

ion

in 1

989)

Spri

ngfi

eld

M

assp

ower

Cog

en F

acili

ty

S02

Spri

ngfi

eld

090

590

PS

D P

erm

it Is

sued

by

DE

P

N02

Sp

ring

fiel

d

Tau

nton

T

aunt

on E

nerg

y C

ente

r S0

2 T

aunt

on

PS

D A

pplic

atio

n C

ompl

ete

N02

T

aunt

on

Ber

kley

(P

SD P

erm

it N

ever

Iss

ued)

War

e

120

291

W

are

W

are

Cog

en F

acili

ty

S02

PS

D P

erm

it Is

sued

by

DE

P

War

e (N

ever

Con

stru

cted

) N

02

War

e

Wey

mou

th

Sith

e F

ore

Riv

er

S02

Wey

mou

th (

belo

w S

ILs)

05

05

02

PS

D P

erm

it Is

sued

by

DE

P

PM10

W

eym

outh

(be

low

SIL

s)

N02

W

eym

outh

(be

low

SIL

s)

060

192

PSD Perm

it Approval D

ate (permit com

pleteness date not documented)

SIP

Approval D

ate M

emo approving m

odeling analysis from R

ichard Fields

Page 17: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

database defines Pollutant Emissions as follows

An emissions estimate is based on the normal operating schedule of a source and includes the effects of installed pollution control equipment and regulatory restrictions on operating conditions This is called estimated emissions with rule effectiveness

Based on that description the data in the EPA AIRS database could be potential emissions rather than actual emissions

The information we have available to us indicates that actual emissions for Somerset Station are below 100 tons per year PM1 0 and PM2 5 Per our air quality modeling protocol we did not include Somerset Station in any interactive modeling

AJ Jablonowski PE Epsilon Associates Inc

3 Clock Tower Place Suite 250 Maynard MA 01754

978-461-6202 mobile 978-793-2571 ajablonowski epsilonassociatescom wwepsilonassociatescom

-=-= File MA DEP 2005 Inventory xls Dominion ReQ2006-2007 TES (12Jan09)pdf

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

PS

D P

ER

MIT

S A

ND

PS

D S

IP R

EV

ISIO

NS

IN M

AS

SA

CU

SE

TT

S C

ON

SU

MIN

G P

SD

INC

RE

ME

NT

AS

OF

11

100

8

Sou

rces

Nam

e

PSD

Inc

rem

ent C

onsu

med

M

inor

Sou

rce

Bas

elin

e A

rea(

s) T

rigge

red

App

licat

ion

City

Tow

n by

PS

D P

erm

it A

plic

atio

n C

ompl

ete

S02

A

gaw

am

Spr

infie

ld

Wes

t Spr

ingf

ield

06

27

86

Aga

wam

V

icon

RR

Fac

ility

P

SD

Per

mit

Issu

ed b

y D

EP

A

gaw

am

Aga

wam

11

22

97

Aga

wam

B

erks

hire

Pow

er

N02

P

SD

Per

mit

issu

ed b

y D

EP

121

688

B

ellin

gham

B

ellin

gham

Cog

ener

atio

n F

acili

ty

S02

Bel

lingh

am (

belo

w S

ILs)

PS

D P

erm

it Is

sued

by

DE

P

Bel

lingh

am (

belo

w S

ILs)

N

02

Bel

lingh

am (

belo

w S

ILs)

Bel

lingh

am

Bel

lingh

am A

NP

Fac

ility

N

02

(below SILs)

073

099

PS

D P

erm

it Is

sued

by

DE

P

PM10

B

ellin

gham

(be

low

SIL

s)

Bla

ckst

one

B

lack

ston

e F

acili

ty

S02

Bla

ckst

one

(bel

ow S

ILs)

11

11

99

PS

D P

erm

it Is

sued

by

DE

P

PM10

B

lack

ston

e (b

elow

SIL

s)

N02

B

lack

ston

e (b

elow

SIL

s)

Pre-

1990

Bos

ton

M

AT

EP

Fac

ility

S0

2 E

xem

pt fr

om P

SD

Per

mit

But

C

onsu

mes

PS

D In

crem

ent

091

001

C

ambr

idge

S

outh

Ene

rgy

Ken

dall

LLC

S0

2 C

ambr

idge

(be

low

SIL

s)

PS

D P

erm

it Is

sued

by

DE

P

PM10

C

ambr

idge

(be

low

SIL

s)

Cha

rlet

on

Mill

enni

um P

ower

N

02

Charleton (below SILs)

012

998

PS

D P

erm

it Is

sued

by

DE

P

Eve

rett

S

ithe

Mys

tic D

evel

opm

ent

PM10

E

vere

tt (b

elow

SIL

s)

012

502

PS

D P

erm

it Is

sued

by

DE

P

Gro

ton

6

151

979

Gro

ton

H

ollin

gsw

orth

amp V

ose

Boi

ler

S02

PS

D P

erm

it Is

sued

by

EP

A

Haverhill

Haverhill P

aperboard Facility

SIP

Revision Issued by E

PA

Haverhill

Haverhill R

R F

acility P

SD

Perm

it Issued by DE

P

Holyoke

Riverside Pow

er Plant P

SD

Perm

it Issued by DE

P

(Never Constructed)

Holyoke

Holyoke G

as amp E

lectric Com

pany S

IP R

evision Issued by EP

A

Law

rence O

gden Martin R

R F

acility P

SD

Perm

it Issued by EP

A

(Closed in 698)

Law

rence O

gden Martin R

R F

acility P

SD

Perm

it Issued by DE

P

(Closed in 698)

Low

ell Low

ell Cogeneration F

acility P

SD

Perm

it Issued by DE

P

Ludlow

M

MW

EC

Pow

er Plant

PS

D P

ermit Issued by E

PA

Lynn

GE

Jet Engine T

est Cells

PS

D P

ermit Issued by D

EP

Medw

ay M

edway F

acility P

SD

Perm

it Issued by DE

P

(Never C

onstructed)

Millbury

Millbury R

R F

acility P

SD

Perm

it Issued by DE

P

Natick

Natick PaperbQ

ard P

SD

Perm

it Issued by EP

A

New

Bedford

New

Bedford C

ogeneration Facility

S02

S02

S02

S02

S02

S02 N

02

S02

S02

N02

N02

PM10

S02

S02

S02

071481

Consum

es increment in baseline areas

032789 triggered before 032789

Holyoke

032588 H

olyoke

Consum

es increment in baseline areas

101381 triggered before 101381

Law

rence 122179

121289 L

awrence

Lowell only

051887 Low

ell only

Ludlow

Belchertow

n Granby Palm

er 080478

South H

adley Wilbraham

L

udlow

Lynn

021993

Medw

ay (below S

ILs) 010803

Medw

ay (below S

ILs)

Millbury

110885 M

illbury

Natick

Wellesley

251980

New

Bedford

071194

PS

D P

erm

it Is

sued

by

DE

P

New

Bed

ford

(Never Constructed)

N02

N

ew B

edfo

rd

022

582

Nor

th A

ndov

er

NE

SW

C R

R F

acili

ty

S02

(S02) Metheun

N A

ndov

er L

awre

nce

PS

D P

erm

it Is

sued

by

EP

A

(PM

) N

orth

And

over

080

480

Roc

hest

er

SE

MA

SS

RR

Fac

ility

S0

2 M

iddl

ebor

ough

R

oche

ster

PS

D P

erm

it Is

sued

by

EP

A

Roc

hest

er

S02

08

08

85R

oche

ster

S

EM

AS

S R

R F

acili

ty

Permit Modification for Unit 1and Unit 2

PS

D P

erm

it Is

sued

by

DE

P

S02

06

21

90

Roc

hest

er

SE

MA

SS

RR

Fac

ility

for

Uni

t 3

PS

D P

erm

itlss

ued

by D

EP

N

02

Mid

dleb

orou

gh

Roc

hest

er

Shir

ley

M

onta

chus

ett R

egio

nal R

ecyc

ling

N02

Sh

irle

y L

eom

inst

er A

yer

090

193

PS

D P

erm

it is

sued

by

DE

P

Lunenburg Lancaster

Har

vard

(Never Constructed)

South Hadley

Tex

on I

ncor

pora

ted

S02

Con

sum

es in

crem

ent i

n ba

selin

e ar

eas

030

279

SIP

Rev

isio

n Is

sued

by

EP

A

trig

gere

d be

fore

30

279

(C

ease

d op

erat

ion

in 1

989)

Spri

ngfi

eld

M

assp

ower

Cog

en F

acili

ty

S02

Spri

ngfi

eld

090

590

PS

D P

erm

it Is

sued

by

DE

P

N02

Sp

ring

fiel

d

Tau

nton

T

aunt

on E

nerg

y C

ente

r S0

2 T

aunt

on

PS

D A

pplic

atio

n C

ompl

ete

N02

T

aunt

on

Ber

kley

(P

SD P

erm

it N

ever

Iss

ued)

War

e

120

291

W

are

W

are

Cog

en F

acili

ty

S02

PS

D P

erm

it Is

sued

by

DE

P

War

e (N

ever

Con

stru

cted

) N

02

War

e

Wey

mou

th

Sith

e F

ore

Riv

er

S02

Wey

mou

th (

belo

w S

ILs)

05

05

02

PS

D P

erm

it Is

sued

by

DE

P

PM10

W

eym

outh

(be

low

SIL

s)

N02

W

eym

outh

(be

low

SIL

s)

060

192

PSD Perm

it Approval D

ate (permit com

pleteness date not documented)

SIP

Approval D

ate M

emo approving m

odeling analysis from R

ichard Fields

Page 18: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

Dennis Stephen (DEP) To Brian HennesseyR1USEPAlUS(gEPA cStephen Dennis(gstate ma us cc Braczyk Edward (DEP) cEdward Braczyk(gstatema us

bcc 11042008 1249 PM

Subject PSD permit update for MA

Brian could you please list all EPA PSD permits with complete application date (or PSD permit date) since 2003 at the end of the attched table using the same format Thanks

Call if you have any questions particulary for column D

oeoePermits as of 11-01-08xls

Permits as of -O- 08 xls

PS

D P

ER

MIT

S A

ND

PS

D S

IP R

EV

ISIO

NS

IN M

AS

SA

CU

SE

TT

S C

ON

SU

MIN

G P

SD

INC

RE

ME

NT

AS

OF

11

100

8

Sou

rces

Nam

e

PSD

Inc

rem

ent C

onsu

med

M

inor

Sou

rce

Bas

elin

e A

rea(

s) T

rigge

red

App

licat

ion

City

Tow

n by

PS

D P

erm

it A

plic

atio

n C

ompl

ete

S02

A

gaw

am

Spr

infie

ld

Wes

t Spr

ingf

ield

06

27

86

Aga

wam

V

icon

RR

Fac

ility

P

SD

Per

mit

Issu

ed b

y D

EP

A

gaw

am

Aga

wam

11

22

97

Aga

wam

B

erks

hire

Pow

er

N02

P

SD

Per

mit

issu

ed b

y D

EP

121

688

B

ellin

gham

B

ellin

gham

Cog

ener

atio

n F

acili

ty

S02

Bel

lingh

am (

belo

w S

ILs)

PS

D P

erm

it Is

sued

by

DE

P

Bel

lingh

am (

belo

w S

ILs)

N

02

Bel

lingh

am (

belo

w S

ILs)

Bel

lingh

am

Bel

lingh

am A

NP

Fac

ility

N

02

(below SILs)

073

099

PS

D P

erm

it Is

sued

by

DE

P

PM10

B

ellin

gham

(be

low

SIL

s)

Bla

ckst

one

B

lack

ston

e F

acili

ty

S02

Bla

ckst

one

(bel

ow S

ILs)

11

11

99

PS

D P

erm

it Is

sued

by

DE

P

PM10

B

lack

ston

e (b

elow

SIL

s)

N02

B

lack

ston

e (b

elow

SIL

s)

Pre-

1990

Bos

ton

M

AT

EP

Fac

ility

S0

2 E

xem

pt fr

om P

SD

Per

mit

But

C

onsu

mes

PS

D In

crem

ent

091

001

C

ambr

idge

S

outh

Ene

rgy

Ken

dall

LLC

S0

2 C

ambr

idge

(be

low

SIL

s)

PS

D P

erm

it Is

sued

by

DE

P

PM10

C

ambr

idge

(be

low

SIL

s)

Cha

rlet

on

Mill

enni

um P

ower

N

02

Charleton (below SILs)

012

998

PS

D P

erm

it Is

sued

by

DE

P

Eve

rett

S

ithe

Mys

tic D

evel

opm

ent

PM10

E

vere

tt (b

elow

SIL

s)

012

502

PS

D P

erm

it Is

sued

by

DE

P

Gro

ton

6

151

979

Gro

ton

H

ollin

gsw

orth

amp V

ose

Boi

ler

S02

PS

D P

erm

it Is

sued

by

EP

A

Haverhill

Haverhill P

aperboard Facility

SIP

Revision Issued by E

PA

Haverhill

Haverhill R

R F

acility P

SD

Perm

it Issued by DE

P

Holyoke

Riverside Pow

er Plant P

SD

Perm

it Issued by DE

P

(Never Constructed)

Holyoke

Holyoke G

as amp E

lectric Com

pany S

IP R

evision Issued by EP

A

Law

rence O

gden Martin R

R F

acility P

SD

Perm

it Issued by EP

A

(Closed in 698)

Law

rence O

gden Martin R

R F

acility P

SD

Perm

it Issued by DE

P

(Closed in 698)

Low

ell Low

ell Cogeneration F

acility P

SD

Perm

it Issued by DE

P

Ludlow

M

MW

EC

Pow

er Plant

PS

D P

ermit Issued by E

PA

Lynn

GE

Jet Engine T

est Cells

PS

D P

ermit Issued by D

EP

Medw

ay M

edway F

acility P

SD

Perm

it Issued by DE

P

(Never C

onstructed)

Millbury

Millbury R

R F

acility P

SD

Perm

it Issued by DE

P

Natick

Natick PaperbQ

ard P

SD

Perm

it Issued by EP

A

New

Bedford

New

Bedford C

ogeneration Facility

S02

S02

S02

S02

S02

S02 N

02

S02

S02

N02

N02

PM10

S02

S02

S02

071481

Consum

es increment in baseline areas

032789 triggered before 032789

Holyoke

032588 H

olyoke

Consum

es increment in baseline areas

101381 triggered before 101381

Law

rence 122179

121289 L

awrence

Lowell only

051887 Low

ell only

Ludlow

Belchertow

n Granby Palm

er 080478

South H

adley Wilbraham

L

udlow

Lynn

021993

Medw

ay (below S

ILs) 010803

Medw

ay (below S

ILs)

Millbury

110885 M

illbury

Natick

Wellesley

251980

New

Bedford

071194

PS

D P

erm

it Is

sued

by

DE

P

New

Bed

ford

(Never Constructed)

N02

N

ew B

edfo

rd

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582

Nor

th A

ndov

er

NE

SW

C R

R F

acili

ty

S02

(S02) Metheun

N A

ndov

er L

awre

nce

PS

D P

erm

it Is

sued

by

EP

A

(PM

) N

orth

And

over

080

480

Roc

hest

er

SE

MA

SS

RR

Fac

ility

S0

2 M

iddl

ebor

ough

R

oche

ster

PS

D P

erm

it Is

sued

by

EP

A

Roc

hest

er

S02

08

08

85R

oche

ster

S

EM

AS

S R

R F

acili

ty

Permit Modification for Unit 1and Unit 2

PS

D P

erm

it Is

sued

by

DE

P

S02

06

21

90

Roc

hest

er

SE

MA

SS

RR

Fac

ility

for

Uni

t 3

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D P

erm

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by D

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N

02

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gh

Roc

hest

er

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ley

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onta

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nal R

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eom

inst

er A

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090

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PS

D P

erm

it is

sued

by

DE

P

Lunenburg Lancaster

Har

vard

(Never Constructed)

South Hadley

Tex

on I

ncor

pora

ted

S02

Con

sum

es in

crem

ent i

n ba

selin

e ar

eas

030

279

SIP

Rev

isio

n Is

sued

by

EP

A

trig

gere

d be

fore

30

279

(C

ease

d op

erat

ion

in 1

989)

Spri

ngfi

eld

M

assp

ower

Cog

en F

acili

ty

S02

Spri

ngfi

eld

090

590

PS

D P

erm

it Is

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by

DE

P

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Sp

ring

fiel

d

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nton

T

aunt

on E

nerg

y C

ente

r S0

2 T

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on

PS

D A

pplic

atio

n C

ompl

ete

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aunt

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kley

(P

SD P

erm

it N

ever

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ued)

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e

120

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W

are

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are

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en F

acili

ty

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by

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ever

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stru

cted

) N

02

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ore

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belo

w S

ILs)

05

05

02

PS

D P

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it Is

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by

DE

P

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eym

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low

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192

PSD Perm

it Approval D

ate (permit com

pleteness date not documented)

SIP

Approval D

ate M

emo approving m

odeling analysis from R

ichard Fields

Page 19: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

PS

D P

ER

MIT

S A

ND

PS

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IP R

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ISIO

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AS

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CU

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TT

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ON

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MIN

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rces

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e

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rem

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inor

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licat

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n by

PS

D P

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ld

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t Spr

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ield

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27

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Aga

wam

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icon

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Fac

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SD

Per

mit

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ed b

y D

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gaw

am

Aga

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11

22

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erks

hire

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er

N02

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SD

Per

mit

issu

ed b

y D

EP

121

688

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ellin

gham

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ellin

gham

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ener

atio

n F

acili

ty

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am (

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w S

ILs)

PS

D P

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it Is

sued

by

DE

P

Bel

lingh

am (

belo

w S

ILs)

N

02

Bel

lingh

am (

belo

w S

ILs)

Bel

lingh

am

Bel

lingh

am A

NP

Fac

ility

N

02

(below SILs)

073

099

PS

D P

erm

it Is

sued

by

DE

P

PM10

B

ellin

gham

(be

low

SIL

s)

Bla

ckst

one

B

lack

ston

e F

acili

ty

S02

Bla

ckst

one

(bel

ow S

ILs)

11

11

99

PS

D P

erm

it Is

sued

by

DE

P

PM10

B

lack

ston

e (b

elow

SIL

s)

N02

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lack

ston

e (b

elow

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s)

Pre-

1990

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ton

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AT

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Fac

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pt fr

om P

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mit

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mes

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crem

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001

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idge

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outh

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rgy

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idge

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low

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PS

D P

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it Is

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by

DE

P

PM10

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ambr

idge

(be

low

SIL

s)

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rlet

on

Mill

enni

um P

ower

N

02

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998

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D P

erm

it Is

sued

by

DE

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rett

S

ithe

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tic D

evel

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ent

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vere

tt (b

elow

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502

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D P

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by

DE

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Gro

ton

6

151

979

Gro

ton

H

ollin

gsw

orth

amp V

ose

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ler

S02

PS

D P

erm

it Is

sued

by

EP

A

Haverhill

Haverhill P

aperboard Facility

SIP

Revision Issued by E

PA

Haverhill

Haverhill R

R F

acility P

SD

Perm

it Issued by DE

P

Holyoke

Riverside Pow

er Plant P

SD

Perm

it Issued by DE

P

(Never Constructed)

Holyoke

Holyoke G

as amp E

lectric Com

pany S

IP R

evision Issued by EP

A

Law

rence O

gden Martin R

R F

acility P

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Perm

it Issued by EP

A

(Closed in 698)

Law

rence O

gden Martin R

R F

acility P

SD

Perm

it Issued by DE

P

(Closed in 698)

Low

ell Low

ell Cogeneration F

acility P

SD

Perm

it Issued by DE

P

Ludlow

M

MW

EC

Pow

er Plant

PS

D P

ermit Issued by E

PA

Lynn

GE

Jet Engine T

est Cells

PS

D P

ermit Issued by D

EP

Medw

ay M

edway F

acility P

SD

Perm

it Issued by DE

P

(Never C

onstructed)

Millbury

Millbury R

R F

acility P

SD

Perm

it Issued by DE

P

Natick

Natick PaperbQ

ard P

SD

Perm

it Issued by EP

A

New

Bedford

New

Bedford C

ogeneration Facility

S02

S02

S02

S02

S02

S02 N

02

S02

S02

N02

N02

PM10

S02

S02

S02

071481

Consum

es increment in baseline areas

032789 triggered before 032789

Holyoke

032588 H

olyoke

Consum

es increment in baseline areas

101381 triggered before 101381

Law

rence 122179

121289 L

awrence

Lowell only

051887 Low

ell only

Ludlow

Belchertow

n Granby Palm

er 080478

South H

adley Wilbraham

L

udlow

Lynn

021993

Medw

ay (below S

ILs) 010803

Medw

ay (below S

ILs)

Millbury

110885 M

illbury

Natick

Wellesley

251980

New

Bedford

071194

PS

D P

erm

it Is

sued

by

DE

P

New

Bed

ford

(Never Constructed)

N02

N

ew B

edfo

rd

022

582

Nor

th A

ndov

er

NE

SW

C R

R F

acili

ty

S02

(S02) Metheun

N A

ndov

er L

awre

nce

PS

D P

erm

it Is

sued

by

EP

A

(PM

) N

orth

And

over

080

480

Roc

hest

er

SE

MA

SS

RR

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ility

S0

2 M

iddl

ebor

ough

R

oche

ster

PS

D P

erm

it Is

sued

by

EP

A

Roc

hest

er

S02

08

08

85R

oche

ster

S

EM

AS

S R

R F

acili

ty

Permit Modification for Unit 1and Unit 2

PS

D P

erm

it Is

sued

by

DE

P

S02

06

21

90

Roc

hest

er

SE

MA

SS

RR

Fac

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Uni

t 3

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02

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ley

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nal R

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inst

er A

yer

090

193

PS

D P

erm

it is

sued

by

DE

P

Lunenburg Lancaster

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vard

(Never Constructed)

South Hadley

Tex

on I

ncor

pora

ted

S02

Con

sum

es in

crem

ent i

n ba

selin

e ar

eas

030

279

SIP

Rev

isio

n Is

sued

by

EP

A

trig

gere

d be

fore

30

279

(C

ease

d op

erat

ion

in 1

989)

Spri

ngfi

eld

M

assp

ower

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en F

acili

ty

S02

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ngfi

eld

090

590

PS

D P

erm

it Is

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by

DE

P

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Sp

ring

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2 T

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kley

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SD P

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are

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are

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en F

acili

ty

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ever

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stru

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02

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05

05

02

PS

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erm

it Is

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P

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eym

outh

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060

192

PSD Perm

it Approval D

ate (permit com

pleteness date not documented)

SIP

Approval D

ate M

emo approving m

odeling analysis from R

ichard Fields

Page 20: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

Haverhill

Haverhill P

aperboard Facility

SIP

Revision Issued by E

PA

Haverhill

Haverhill R

R F

acility P

SD

Perm

it Issued by DE

P

Holyoke

Riverside Pow

er Plant P

SD

Perm

it Issued by DE

P

(Never Constructed)

Holyoke

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as amp E

lectric Com

pany S

IP R

evision Issued by EP

A

Law

rence O

gden Martin R

R F

acility P

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it Issued by EP

A

(Closed in 698)

Law

rence O

gden Martin R

R F

acility P

SD

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it Issued by DE

P

(Closed in 698)

Low

ell Low

ell Cogeneration F

acility P

SD

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it Issued by DE

P

Ludlow

M

MW

EC

Pow

er Plant

PS

D P

ermit Issued by E

PA

Lynn

GE

Jet Engine T

est Cells

PS

D P

ermit Issued by D

EP

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ay M

edway F

acility P

SD

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it Issued by DE

P

(Never C

onstructed)

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R F

acility P

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it Issued by DE

P

Natick

Natick PaperbQ

ard P

SD

Perm

it Issued by EP

A

New

Bedford

New

Bedford C

ogeneration Facility

S02

S02

S02

S02

S02

S02 N

02

S02

S02

N02

N02

PM10

S02

S02

S02

071481

Consum

es increment in baseline areas

032789 triggered before 032789

Holyoke

032588 H

olyoke

Consum

es increment in baseline areas

101381 triggered before 101381

Law

rence 122179

121289 L

awrence

Lowell only

051887 Low

ell only

Ludlow

Belchertow

n Granby Palm

er 080478

South H

adley Wilbraham

L

udlow

Lynn

021993

Medw

ay (below S

ILs) 010803

Medw

ay (below S

ILs)

Millbury

110885 M

illbury

Natick

Wellesley

251980

New

Bedford

071194

PS

D P

erm

it Is

sued

by

DE

P

New

Bed

ford

(Never Constructed)

N02

N

ew B

edfo

rd

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582

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th A

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NE

SW

C R

R F

acili

ty

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(S02) Metheun

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awre

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D P

erm

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(PM

) N

orth

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over

080

480

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hest

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MA

SS

RR

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2 M

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hest

er

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08

08

85R

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ster

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AS

S R

R F

acili

ty

Permit Modification for Unit 1and Unit 2

PS

D P

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it Is

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by

DE

P

S02

06

21

90

Roc

hest

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SE

MA

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RR

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02

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DE

P

Lunenburg Lancaster

Har

vard

(Never Constructed)

South Hadley

Tex

on I

ncor

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ted

S02

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sum

es in

crem

ent i

n ba

selin

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279

SIP

Rev

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n Is

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by

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gere

d be

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279

(C

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in 1

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PSD Perm

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ate (permit com

pleteness date not documented)

SIP

Approval D

ate M

emo approving m

odeling analysis from R

ichard Fields

Page 21: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

PS

D P

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it Is

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(Never Constructed)

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W

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outh

(be

low

SIL

s)

N02

W

eym

outh

(be

low

SIL

s)

060

192

PSD Perm

it Approval D

ate (permit com

pleteness date not documented)

SIP

Approval D

ate M

emo approving m

odeling analysis from R

ichard Fields

Page 22: UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION · PDF file · 2015-08-19UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION I 1 Congress Street ... the Closed Cycle Cooling

PSD Perm

it Approval D

ate (permit com

pleteness date not documented)

SIP

Approval D

ate M

emo approving m

odeling analysis from R

ichard Fields