PERFORMANCE OF REMEDIAL RESPONSE ACTIVITIES AT

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PERFORMANCE OF REMEDIAL RESPONSEACTIVITIES AT UNCONTROLLED

HAZARDOUS WASTE SITES

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US, EPA CONTRACT NQ 68-01-6939

CAMP DRESSER & McKEE INCROY P. WESTON. INC

WOODWARD-CLYDE CONSULTANTSCLEMENT ASSOCIATES, INC

ICF INCORPORATEDC C JOHNSON & ASSOCIATES. INC

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PROJECT OPERATIOHS PLAN

The undersigned have read and agree with the guidelines and procedurescontained herein. This Project Operations Plan Addendum will be Inplewntedby the KEN II Tea* and describes procedures for the underwater Investigationof the Katonah Municipal Well, sampling the well water, well sedlMnts andpwp house sedlMnts, and geophysical survey to be undertaken at the KatonahMunicipal Well Site In the Town of Bedford. Westchester County. Mew York.

George RleT'Regional Manager YREM II)

Date

Peter GonanRegional Health and Safety Officer (REN II)

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Lalit*) Assurance Coordinator <REM II)

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John KGahrenRegional Project Manager (EPA)

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(168/4)NY

I jI. INTRODUCTION

On November 20, 1978, low levels of halogen*ted organlcs, specifically,tetrachloroethylene (PCE), were discovered In tap samples taken from theKatonah Municipal Well (Figure 1). On December 14, 1978, the well MStaken out of service. The site Is now 1n Group 10 of the June. 1986Nitlonal Priorities List. In June of 1985. Camp Dresser A McKee. Inc.(COM) was requested to perform Phase I of a Remedial Investigation/Feasi-bility Study (RI/FS) for the Katonah Hell. Results of that study Indicatethat contamination In the Katonah Well cannot be clearly linked to any ofthree local dry cleaners, as previously anticipated. Phase I furtherconcluded that contamination In the Katonah Well Is most likely emanatingfrom a localized source; I.e. from wastes located on the peninsula wherethe well Is located. Phase II of the RI, now In progress. Includes asfront end activities (described In this POP):

o An underwater Investigation of the Katonah Municipal Well todetermine the construction materials and configuration of thewell, to confirm the existence of radial extensions at thewell, and to sample the well water and sediments.

o A geophysical survey to support findings of the well Investi-gation and to locate the bedrock surface below the peninsula*

o Sampling sediment at the Katonah Municipal Well pump house.

II. PROJECT OVERVIEW

Work to be described by this POP addendum Includes: A full Investigationby diver, Including sampling and photographs or videos, to determine thedimensions, materials, and configuration of the Katonah Municipal Well andany existing radlals or extensions from the well to satisfy the objectivesbelow:

o Confirm the existence of radlals, Infiltration channels, orextensions at the well.

o Determine the location, length, angle of placement (from thehorizontal) from the well, and the construction material ofeach radial or extension.

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o Determine the construction material (from grade to bottom),depth, and condition of the well.

o Determine the existence and depth of slltatlon that may haveoccurred In the well and/or radlals.

o Determine the construction, configuration, and materials ofany pumping devices or auxiliaries present within the well orunder the cement cap.

o Determine the depth to water Inside the well,o Collect samples of the well water and sediment.

A geophysical survey by seismic refraction, ground penetrating radar orresistivity methods, will be conducted concurrently with the well Investi-gation to satisfy the following objectives:

o Confirm the existence of radlals at the well and determine thelocation, length, size, depth and angle of placement (from thehorizontal) from the well.

o Confirm the existence of a subterranean ridge east of Katonahby determining the depth to bedrock below Jay Street and alongthe road parallel to the municipal well. An additional lineparallel to, and south of Jay Street will be Investigated alsofor the depth to bedrock (Figure 2).

Sediment will also be collected from the pump house west of the KatonahKell and analyzed for full HSL.

This POP Addendum describes the procedures, equipment, and sampling andbottle requirements to be followed by COM and Purveyors during execution ofthe above tasks and supplements the original POP prepared by REN II inJanuary, 1986.

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III. PROJECT ORGANIZATION

Following Is a listing of the personnel assigned to this project andresponsibility of each.

NameGeorge Rlef£•11 DulPeter GortonRobert SchwartzJennifer BrysonScott Theal

IV. QUALITY ASSURANCE

Role

Regional ManagerSite ManagerRegional Health and Safety SupervisorRegional Quality Assurance CoordinatorProject Englneer/Oo-Slte CoordinatorHealth and Safety Coordinator

The following are minimal OA/QC requlrenents for sample collection.

o 2 samples of the well water, (one sample Is a duplicate)o 2 trip blanks will be used (one for sediment samples and one

for water samples). The trip blanks will be obtained on theday preceeding sampling at the ERA -Edison Laboratory. Thetrip blanks will be taken Into the field and kept with theother sanples. The trip blinks will be handled In the sane•anner as the sanples that are collected and will be analyzedfor full HSL parameters.

o 1 sanple will be taken front bailer rinse water and one fromthe teflon sleeve used for collecting sedtnents as fieldblanks.

o 2 samples of well sedlnents (one saaple Is t duplicate).o 2 sanple of the punp house sedlnent (one sanple Is a

duplicate).A. Data Representativeness:

Three duplicate sanples collected during the sampling event willbe sufficient to determine the precision of the sanpllng event andwhether the sanples are representative of the stagnant well .water,

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B. Data Completeness:

All samples must beconsidered complete

collected for the sampling event to be, and 95% complete data is desired.

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C. Data Comparability:The units of Measurement are to be ug/1 (mlcrogram per liter) forwater samples and mg/kg (milligrams per kilogram) for sedimentsamples so that data are comparable to results of previoussampling events.

D. Data Accuracy and Precision:One trip blank and one field blank Mill be collected to verifythat no contamination occurs enroute to the site or duringsampling. Samples collected for laboratory analysis will beanalyzed through the CLP using the EPA CLP Routine AnalyticalServices (RAS). However, Special Analytical Services (SAS) willbe requested due to the need for Immediate reporting of results.Die accuracy and precision requirements for RAS through the CLPare specified In the IFBs MA8S-J680 for organic* and HA85-J868 forInorganics of the analyses Is the responsibility of the CLP.

V. PROCEDURES

A. Preparatory Activities:1. Conduct pre-sampl1ng "Kick Off" meetlr.g. Attendees to

Include all line staff noted In Project Organization.Topics to be reviewed Include:

o This POP Addendumo Health ft Safety. Plan and Procedureso Field Preparation/Implementation Procedures0 Record keeping, chain-Of-custody

o Responsibilities/authoritieso Timing/disclosure

o Disposal of residuals generated during thissampling event

2. USEPA will obtain access to the well and pump house andappropriate clearances for necessary discharges.

B. Field Equipmento pH Indicator papero Conductivity metero Thermometero OVAo Electric water level Indicatoro Stainless steel knife

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o Scrub brush (2)o Field note booko Squirt bottle (2)o 5-gallon pressure sprayero Gallon bucket (2)o Llqulnoxo Stainless steel tape Measure with wighto 100 feet polypropylene lineo Sample bottleso Aluminum foilo Iceo Vermlcullteo HPLC grade acetoneo HPLC grade nitric acid diluted to 10* (ampules for

preservatives)o NaOHo pH papers with <2 and >12 Indie,o 20 gallon drumo 4 3-Inch Teflon sleeves with capso Polyethylene clotho Pallo Coolers (4)o Narking chalko Teflon coated SS cable(s)o Garden hose 75'o Respirator (1 small)o Safety bootso 2-Inch teflon bailero Tapeo Zlploc bagso HPLC grade hexaneo De-Ionized watero Surgical gloveso NUrlle gloveso Saranexo Cartridges

Equipment for the well Investigation and the geophysical survey will besupplied by the Purveyors.

C. Procedures for Collecting Hell Hater (t« be conducted by CONpersonnel):1. Rinse the bailer with llqulnox. Up water, nitric acid,

tap water, hexane rinse, acetone ««d distilled waterrinse. Air dry the bailer and wrap In aluminum foil.Collect a field blank using distilled water rinse.

2. All decontaminated equipment should be placed on or 1naluminum foil wrapping on top of a polyethylene clothand should not touch the ground.

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3. Put clean surgical gloves over outer gloves. Remove thealuminum foil and attach polypropylene line securely toteflon coated stainless steel wire using a bowline orother secure hitching knot which 1s attached to thebailer. So as not to contaminate more line thannecessary, cut the polypropylene line allowing sufflcentlength for the bailer to reach the Intake level of thepump plus sufficient length for handling.

4. From the well water surface, commencing with the firstbailer, pour the bailer contents Into sample bottle(s).Be sure each bottle 1s properly filled (VOAs, BNAs, thenmetals and cyanides) and preserved as required andaccording to the analyses to be performed (See SectionVI-C),Check the pH, (emi&MtujQe. and conductivity of the ^water, ereil* "^ ct».

Carefully log and package all sample bottles In theirrespective coolers and seal for shipment.

7. Dispose of gloves, polyethylene sheet and bailer line asper requirements of Item 7 of the Health and SafetyPlan. Package bailer after on-slte decontanlnation witha Hqulnox solution and tap water (to be conducted byPurveyor).

D. Procedures for Underwater Hell Investigation Including sampling:Underwater diving specialists will be procured to conduct theunderwater well Investigation (see attached Statement of Work,Attachment A) and to collect well sediment samples.COM will oversee operations fron above the well. Sediment sampleswill be gathered using a teflon sleeve. After the teflon sleevehas been decontaminated by the same procedure as used to cleanbailers, the diver will carry It to the bottom of the well anddrive 1t Into the sediments until full. This process will berepeated until enough sediment Is gathered for sediment samples.Sediment for sediment samples will then be poured Into theappropriate bottles for analysis. Sufficient sediment Isexpected due to a Phase I sounding which Indicated approximately10 feet of sedimentation has accumulated In the well.

E. Procedures for Geophysical Survey:1. Purveyor will, by geophysical means proposed by the

Purveyor, determine the existence, location, anddimensions of any subterranean channels, canals,extensions, or other burled structures collectivelytermed "radials* connected to or near the KatonahMunicipal Well (Figure 3).

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2. Purveyor Mill, by geophysical means proposed by thePurveyor (see Scope of Work attached), determine thedepth to and contour of the bedrock surface. Includingthe location of a suspected bedrock ridge In the vicinityof the W.-W. cross section west of the Katonah Well andany topographic low points on that ridge 1n the subjectarea (Figure 3).

F. Procedures for Collecting Sediments from Pump House:1. Teflon sleeves Mill be decontaminated and rinsed by the

same method used for rinsing the bailer In Item C above.2. After the grate 1s lifted, teflon sleeves Mill be driven

Into sediments by hand 1n the pump house sufficiently toobtain sediment for full riSL analysis. Samples will thenbe transferred to the appropriate sample bottles.

3. VOA bottles will be filled first.VI. ANALYTICAL PROCEDURES

A. Sample Parameters and Frequency of CollectionMedia: Well WaterLocation: Katonah Municipal WellSample Type: GrabSimple Frequency: 1 Sampling EventAnalysis Parameters: HSL(timber of Samples: 1 Sample

1 Duplicate1 Field Blank1 Trip Blank

Media: SedimentsLocation: Katonah Municipal Hell and Pump HouseSample Type: Grab

1 Sampling EventHSL

1 Nell Sediment Sample1 Duplicate Well Sediment Sample1 Pump House Sediment Sample1 Duplicate Pump House Sediment Sample1 Trip Blank1 Field Blank

Sampling Frequency:Analysis Parameters:(timber of Samples:

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GEOPHYSICAL INVESTIGATION AREA

KATONAH MUNICIPAL HELL SITE;j- f t I t

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B. Analytical Methods

Volatile Organlcs:Extractable Organlcs:totals:Cyanide:

CLP with IFB IVA85-J680CLP with IFB WA85-J680CLP with IFB WA85-0838CLP with IFB WA85-J838

C. Preservation and Maximum Holding Times

Volatile Organlcs:Extractable Organlcs:

Metals:

Cyanide:

. 4°C; 5 daysI, 4°C; 5 days until extraction

Cool.Coolthen 40 days until analysisNitric Acid to pH<2, Cool 4°C; imonths (except Hg which Is 28 daysNaOH to pH>12. Cool. 4°C;(14 days)

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D. Bottle Requirement and CodesBottle requirements are shown 1n Table 1.

VII. SAMPLE CUSTODY PROCEDURES

EPA chain of custody shall be maintained for the duration of the samplingevent and analysis as per the REM II policy on sample handling. CLPtraffic forms will be utilized following the procedures specified In theusers guide to the CLP. Bottles will be provided for under the SampleBottle Repository Program. All documentation of activities and procedureswill be noted In the Dedicated field book.

VIII. CALIBRATION PROCEDURES AND PREVENTIVE MAINTENANCE

Field Monitoring: The only field Instruments to be utilized are the OVAand Conductivity Meter. They are maintained and calibrated per REM II SOfe6607003 and 6617002, respectively. All samples will be analyzed by theCLP.

IX. DOCUMENTATION. DATA REDUCTION AND REPORTING

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A. Documentation: Field data will be entered Into abound notebook maintained by theon-slte coordinator. Fieldnotebooks, traffic report forms,chain of custody forms, and labreport will be filed and stored mper the REM U Document ControlSystem.

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SUMMARY OF CLP SAMPLECONTAINER REQUIREMENTS

Containers Number ofper Samples

Sample(A) (B)

Number of Type ofContainers!*) Container

(A)x(B)

Water

Sediment

Volatile*

BNAs ft PCBsPesticides

Metals

Cyanides

Volatlles

BNAs ft PCBsPesticides

Metals andCyanide

2 6

2 6

1 6

1 6

2 4

2 4

1 4

16 40-mlglass vials

16 80-oz amberglass

8 1-liter poly

8 1 -liter poly

8 120-mlglass vials

8 8-oz glass

4 8-oz glass

* Sediment trip blank requires triple volume samples.

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B. Data Reduction Reporting: The data will be reported Instandard CLP format. Project and QAofficers Mill be responsible foraccurate reporting of data. Rawdata will be reduced and tabulatedby a member of the project staff forInclusion Into the RI report.

X. DATA VALIDATION

All data will be evaluated with respect to the EPA procedures for validat-ing CLP analytical RAS data. The data validation will be performed by theEPA Region II Environmental Services Division.

XI. PERFORMANCE AND SYSTEMS AUDITS

No performance audit of the sampling event will N scheduled. No systemaudit will be conducted as part of this sampling event. However, a syst«audit of the overall RI will be conducted and will Include ensuring theadherence to procedures and the quality of data produced under thisactivity.

XII. CORRECTIVE ACTION

All provisions In the field and laboratory will be taken to ensure that anyproblems that may develop will be dealt with as quickly as possible toensure the quality of the sampling program and of the data gathered.

Actions for corrective action are described In the original POP.

XIII. REPORTS

All analytical results will be submitted to the EPA Regional ProjectManager, John McGahren.

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KATONAH MUNICIPM. NELL

TOWN OF BEDPOKD, HCSTCHESTER, NY

POP ADODDUH IVHEALTH « SAFETY PLAN

I - PROPOSED ACTIVITIES

Groundwater Samplings A Purveyor will enter the well to conduct aninvestigation of the Katonah Runicipal well and to obtain saaples ofsediments. CUM personnel will collect well water sanples.

Geophysics: A Purveyor will conduct a geophysical survey to CCHspecifications.

II. - SITE EVALUATION

Site Description and History: A Municipal Hell in the village of Katonah,Town of Bedford, Westchester County, NY. On Novmber 20th, 1978, halo-genated organics including tetrachloroethylene (PCE), dibroBoehloro-•ethane, bromodichlorcaethane and broaofon were discovered in tap watersanples at the Katonah Well at the following aaxiaui observedconcentrationsi

Tetrachloroethylene 120 ppbDibronochloronethane 10 ppbBronodichloronethane 9 ppbBronoform 12 ppb

III - HAZARD EVALUATION

Substances! liquid (solvents)Characteristicst volatile, toxic

Exposure Potential!

High via denial routes during underwater activities. Low via respiratoryand dermal routes for above ground support activities.

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Overall Hazard: High for the underwater well investigation but very lowotherwise.

XV - RESPONSIBILITIES

CPU PersonnelJennifer BrysonScott ThealPurveyors

V - KECOtMENDED LEVEL OF PROTECTION

Responsibility

Project Engineer/SMpler/an-SiteCoordinatorHealth and Safety CoordinatorSampler, Surveyor

Respiratory t Modified Level D above ground; Modified Level B underwater.

Field Dress:

Level D: Steel toe/shank work boots, coveralls, neoprene glow* oversurgical gloves.

Level B: Fully encapsulated natural rubber dry-suit, complete drawlprotection, SCUBA or air supply lint.

The well is a 10-12 feet diawter caisson with an infiltration mtwork.The top of the caisson is covered with a concrete slab. There is anapproximately 24-inch portal at the punp house. The diver will enter thewell through this opening to collect sediaent seaples and to conduct theinvestigation. The bailer will also be lowered through this opening toobtain the well water sanple. The pusp will be off.

Mr will be supplied to the divers while underwater by an air line or bySCUBA. This decision and the decisions as to whether the diver will betethered or harnessed will be nade by the Purveyor and will depend on *»tis found in the preliminary investigation of the well. CoMunications, viaunderwater radio devices, will be supplied between the diver and the aboveground support staff. A second suited diver will be stationed above ground

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and prepared to go underwater at any time. Lighting will be provided byhand-held lights and by above ground lighting. No electricity will beleading into the well.

COM will rely on the health and safely manual to be provided by the divingPurveyor for specific health and safety protocols to be followed during theinvestigation.

VI - MONITORING PROCEDURES

Contamination avoidance practices will be observed. An OVA will be usedto:

(1) Establish offsite background readings and readings foratmosphere below well cap.

(2) Give readings during sampling. The readings will be recordedasi(a) less than background(b) background(c) ppm above background

(3) Continuously monitor (OVA) the breathing zone with thefollowing action levels in place:(a) If IS min. time weighted average (TOA) readings

greater than 50 ppm above background, evacuateimmediately.

(b) If IS min TVBV reading greater than 5 ppm abovebackground, upgrade to Level B.

(c) If 15 min TOA readings above background, upgrade toLevel C.

(4) Any non-continuous reading above background will requirecaution. A significant reading greater than 3 ppm abovebackground, will require re-evaluation of protection leveland activity.

(5) Other than air monitoring, the following will be taken intoconsideration by the Health and Safety Coordinator indetermining changes of level of protection:

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odors (upgrade only)historical information regarding site areatemperature (air and water)

VZI - DECONTAMINATION*zm&

Divers will be deconned upon each exit from the well using a liquinox deconsolution. Disposable items will be contained and USCPA will securepermission to dispose of the contents and bag at the Town's MunicipalFacility. Level C will be used during equipment preparation with solvents.Solvent waste will be evaporated. Nitric acid will be contained and placedwith residuals for disposal. Permission will be secured from theWestchester County Health Department to dispose of the contents of a ISgallon drum containing the used decon solution at a local municipal wastewater treatment plant or associated sewer system.

VIII - EMERGENCY INFORMATION

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Emergency ContactsAmbulanceHospitalPoliceFire DeptPeter GortonPoison ControlCenter

CDM/REM II24 hour Emergency

Northern Westchester HospitalBedford PoliceTown of BedfordCOM Health « Safety SupervisorMt. Kisco(Mr. Donohue)

914-241-3111914-666-1251914-241-3111914-241-3111201-225-7000212-340-4494914-353-1000202-696-4138

Directions to HospitalFrom site make right onto Jay Street going West on Jay to Route-117.Hake left on 117 going south. Go to Mt. Kisco where Route-117 isthe same as E. Main street. Hospital is on the right at number 400E. Main Street (see next page).

(16B/4)NY

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KATONAH WELL SITEROUTE TO HOSPITAL

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•TTI OnCfMPTION AND riATUmt: SuHHMrtn teww* _ .•

The Katonah Municipal Well Is located on Jay Street 1n the Town of Bedford adjacent to the Muscoot ReservoirThe well Is part of the Bedford Water Storage Distribution District. Haloqenated organlcs Including tetra-chloroethylene, dtbromochloromthane, and bromodlchloromethane were discovered In the well water 1n December,1978. The well has since been removed from service.

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Organics were detected 1n low levels In samples taken from the Katonah Municipal Well 1n 1978. Since then, thewell has been removed from service. Phase I of the COM Remedial Investigation (RI) has determined that the PCEcannot be linked to local dry cleaners and that the contamination 1s probably the result of wastes located nearthe well on the peninsula.

KNOWN (M SUSPECTED WASTES MPOSCfe SbMMrfM Mtow

this time It Is not known what wastes have been disposed of at Katonah. It fs suspected that at various times,PCE has been dumped In or near the pump house, and street cleaning refuse has been dumped at or near the well.Also, the peninsula Is largely backfill material of unknown origin.

HAZAKOS OF COMCtMfe

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PREVIOUS SAMPUNQ RESULTS/ANALYSES: SuMMrfM am* CM 0Mtt w«l HMft art

Five organics detected 1n low levels 1n 1978. Levels of PCE violated NYS health standards. All presentIrritant hazards on dermal, respiratory, or 1ngest1ve contact 1f sufficient quantities. A full HSL analysis

was performed at this tine, therefore, 1t Is reasonable to believe that these are the only contaminants present.

ENVMONMENTAL MFUJENCES:The concentrations of organics in the Katonah well appears, but Is not conclusively linked to both the level ofstorage In the Muscoot Resovoir and the punping rate and duration at the well. Both of the potential influenceswill remain constant throughout the well investigation.

OVERALL HAZARD EVALUATION* ( ) Mgk ()JUtTIFtCATtOMii

Tht Katonah site Is overall • low hazard s1tt. Howtvtr, btcaust dlvtrs will bt tnttrlng and submerged In thtKatonah well, (articular precautions will have to bt taken. In othtr words, dlvtrs will bt fully dtrmallyprotected and will have SCUBA or air-lines while underwater.

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MQMESTOBSERVED

CONCENTRATION FS/TUT DIM

CO9ITANMANT wfMOlO) ftP*C%> frpfT^

Tetrachloroe-thylene

Dibromochloro-me thane

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TASK A (Diver Only)

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2. Scrub outer suit with deconsolution. Collecting sane fordisposal.

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'l. Remove disposable gloves.2. Hash hands.

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•pBMO EquipSumnwin (Mtow Mtftor MMcft dtapnMSmall equipment to be utilized Incollecting samples, such as:stainless steel trowels, bucketsand spatulas, will be pre-cleaned.The pre-cleaning procedures are:

1. Tap water and detergent wash2. Tap water rinse3. Rinse with 10X nitric acid

solution4. Tap water rinse5. Acetone or methanol rinse

followed by a hexane rinse6. Deionized water rinse7. Air dry.

(Level C will be required fordecontamination with nitric acid*methanol, and hexane.)

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J. Tygert 518-457-5637

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Uestchester County Dept. Of Health 914-24

212-340-4494

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APPENDIX B

KATONAH MUNICIPAL WELL SITEHEALTH AND SAFETY PROTOCOLSPROJECT OPERATIONS PLAN

PHASE I - STUDIES

JANUARY, 1986

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COM REMEDIAL RESPONSE TEAM - REM II

Document:

Subject:

A Purpose

Project Operations PlanKatonah Hell Site6.0 HEALTH AND SAFETY PROTOCOL

1/24/86244-RI1-OP-CCZA-1

Prepared by: Emll DulReviewed by: L. Partridge

The purpose of these procedures Is to Identify the specific health andsafety requirements necessary to Implement the field activities Identifiedfor the Katonah Well site. As such, this health and safety plan Is astand-alone document, but should be used In conjunction with the POP.These requirements are based on guidelines set forth In the COM CorporateHealth and Safety Assurance Manual. The Site Personnel Protection andSafety Evaluation Forms (SEF) prepared for this site appear at the end ofthis section and provide a summary of specific personnel protectiveequipment and monitoring equipment for each field activity. OccupationalHealth Guidelines for the contaminants of concern associated with thissite are found In Appendix C. This Information Is to be used 1nconjunction with the health and safety procedures outlined below. Thehealth and safety plan and Its directives are Intended for the REM II teamand subcontractor personnel only.This safety plan will be continually evaluated during the course of fieldwork so as to Incorporate any changes to the scope of work or technicalInformation generated as site activities progress.

B Task ObjectiveThe task objective 1s to conduct an Investigation at the Katonah Hell siteIn Mestchester County. NY 1n order to characterize the nature and extentOf contamination. This Includes the following activities:

Topographic Survey - to gather additional Information about thetopography of the area and the bottom elevation of Katonah Brook.Katonah Brook has an average width of approximately 2 ft and anapproximate depth of 0.5 ft as estimated vlsualy during the sitevisit on August 16, 196S.Hollow Stem Auger Soil Borings - to collect split spoon soil samplesfor a laboratory pilot study and to quantify the vertical extent ofcontamination. Soil samples will be sent to an EPA designated singleCLP facility for priority pollutant analyses. These results will beused to quantify the vertical extent of the contamination. Six (6)soil samples will be sent to CDM's laboratory for the performance ofa laboratory pilot study. The samples for the pilot study will besent to the lab on the day that they are taken. These samples willbe Integrated Into the laboratory set up upon arrival at the lab andthe other (3) will be stored at the lab as Indicated In Table 9-2.

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= o3 -»~-COM REMEDIAL RESPONSE TEAM - REM II

Document: Project Operations PlanKatonah Hell Site

Subject: 6.0 HEALTH AND SAFETY PROTOCOL

571/24/86

244-RI1-OP-CCZA-1


Install. Develop, Sample, and Slug Test Groundwater MonitoringHells - to determine the nature and extent of contamination and thedirection of groundwater flow. The water depth In each well will bemeasured at the end of the development phase and remeasured onceevery 4 weeks for the next six months.Laboratory pilot study - to determine the fate of the majorcontaminant In the saturated zone.

C Site Evaluation and Facility DescriptionOur present knowledge of the Katonah Hell site Is based on the following:• Data and Information generated by previous Investigations conducted

by the County of Hsstchester Department of Health and the NYS DEC.* Inltltlal Site Inspection conducted by COM on August 16. 1985.The Katonah Municipal Hell Is located on Jay Street In the Village ofKatonah In the Town of Bedford. Hestchester County. NY. The KatonahHell site 1s situated In the eastern part of the village and 1sadjacent to Nuscoot Reservoir which supplies drinking water to New YorkCity. On November 20, 1978 halogenated organic; were reported to bepresent In tap samples at the Katonah Municipal Hell and as a result,the well was taken out of service on December 14th, 1978. Table 6-1shows the results of all analyses on well water samples. Soil sampleswere not collected. (Refer to section 2.2.1 for complete history).

D Site Hork Hazard EvaluationPrevious sampling and analysis at the site Indicated the following majorcontaminants are associated with the groundwater In the study area:dlbromochloromethane, bromodlchloromthane, tetrachloroethylene, andtrlchloroethylene. A more detailed list of contaminants Identified at thesite, and corresponding maximum concentrations, are found on page 3 of thePersonal Health ft Safety Evaluation Forms. The contaminants associatedwith this site can be classified as liquids. Their associated wastecharacteristics are toxic, volatile and potentially carcinogenic.

NOTICE: If the film ImtgoIt !••• clitr thin thisnotice. It It dot to thequality of the documentbeing filmedAT 001

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Document: Project Operations PlanKatonah Well Site


591/24/86

2M-RI1-OP-CCZA-1

Prepared by: Enill DulReviewed by: L. Partridge

Potential routes of exposure to the field tea* Include respiratory fro*both gaseous vapors and partlculates, denial from both partlculates andvapors during the soil sampling activities and adsorption during thegroundwater and soil sediment sampling. The overall hazard rating to thefield members, relative the site's contaminants and specific tasks 1sMedium - low.

* Medium - Low: for the tasks of soil and groundwater sampling nearthe Katonah Well. Dermal and possibly respiratory protection willbe required based on continuous monitoring (Section 66) of thebreathing zone, visual observations, and odors (Section F-2).The areas of greatest concern are those where documented soilcontamination has occurred. Contamination avoidance techniqueswill also be applied. I.e. performing work In upwind (Back againstthe wind) manner, avoiding abvlous contamination when possible,don't sit or kneel, etc.

E Hork Rules and Health and Safety RequirementsThe soil borings and monitoring well Installations, as described InSection S.O, require that field work will be performed at differentlocations within the village of Katonah and also near the Municipal well.Ulth the exception of the letter, the only common characteristic of theother location Is that they are In an urban environment. For that purposea generic or typical work area set up 1s presented 1n Figure 6-1. Theset-up shows the components of the work area and their spatialrelationships. It Is Important to note that these components will beorganized around each of the soil boring and monitoring well locationsprior to the actual boring/drilling activity. At the completion of eachboring/drilling, the typical work ares components will be reorganized atthe next location maintaining their functional relationship as shown InFigure 6-1. The work area will always be cordoned-off by policebarricades.

F Levels of Personal ProtectionThe personal protection level needed to perform the above task objectivesare two-fold as follows:1 - Level C for Intrusive activities at each boring/borehole with a

contingency to downgrade to modified level D. Level C protectionwill Include the following:

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8*5 =

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Document:

Subject:

2.

Project Operations PlanKatonah Well Site6.0 HEALTH AND SAFETY PROTOCOL

611/24/86

244-Rll-OP-CCZA-l

Prepared by: tall OulReviewed'by: L. Partridge

Level C.a. Full-face air purifying respirator (APR) with high efficiency

partlculate/organlc vapor cartridges (ultra-twin with GMCHcartridges).

b. Saranex coated disposable coveralls,

c. A1r monitoring equipment (OVA)

d. Protective clothing will also Include that Identified under•odlfled level D.

3 - Modified Level D with dernal protection Modifications for shallowIntrusive on-slte activities Includes the following:

a. Saranex coated disposable tyveks

b. Nltrlle, Heoprene or butyl gloves over disposable latex surgeonsgloves, Thermolumlnescent Doslmetry (TLO) badges.

c. Neoprene steel toe/shank boots under disposable latex booties.

d. A1r Monitoring equipment (OVA). (See section 66 for ActionLevels)

e. Ear plugs

f. Hand hats.

Clothing worn 1n level C will be taped at the joints. Modifications orchanges to the levels of protection can only be determined by the SiteSafety Coordinator. A decision to downgrade or upgrade the level ofpersonnel protection will only be made by the Site Health and SafetyCoordinator (SHSC). The decision should be based on. but not limited to,the following:

• Instrument readings with the proper Interpretation (I.e.,Instrument limitation, the HNu detects only certain volatileorganic compounds).

• Visual observations such as wind, dust, temperature,dlscolorations, etc.

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CON REMEDIAL RESPONSE TEAM - REH II



621/24/86

244-RI1-OP-CCZA-1

Prepared by: Emll OulReviewed by: L. Partridge

• Odors' Information specific to the task objective areas (I.e.. known

chemical contaminants and levels of each.)Specific Instrument calibration will be maintained and only trainedIndividuals will operate this equipment.In addition to the wearing of personnel protective equipment, thefollowing general safety practices will be followed.

• Prfor to test borings and well Installations, determinationshall be made of the existence of underground Installations,I.e., sewer, telephone, etc., that may be encountered, and Ifso, where they will be encountered. Utility companies shall becontacted and advised of proposed work prior to the start ofactual operations (Refer section S.O A).

• All trees In the vicinity of the operations that may pose apotential safety hazard shall be removed or made safe beforeoperations are Initiated.If possible, dust conditions shall be kept to a miniuse of water.

by the

Net weather operations shall require that disposable ralnsuttsbe worn by all personnel.No one shall be permitted to eat. drink, or smoke on the siteand shall thoroughly wash hands with soap and water before doingso outside the site.Individuals shall wash hands with soap and water beforeurinating.All Individuals must go through the decontamination procedures.At the end of each day, disposable clothing shall be removed andplaced, temporarily, In capped drums. These drums will be movedto or placed near the well. A temporary fence will beconstructed around these drums with appropriate warning signsagainst trespassing, and signs Indicating that materials may behazardous.

Oo

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Document: Project Operations PlanKatonah Veil Site


631/24/86

244-RI1-OP-CCZA-1


Individuals are expected to thoroughly shower as soon aspossible after leaving the job site at the end of the day.All work operations on-slte shall cease at sunset unlessauxiliary light has been provided.

6, Field Monitoring Equipment and Action LevelsAir quality monitoring equipment will be used during the samplingactivities to Indicate gaseous contaminants and partlculates and preventexposure to contaminants released Into the atmosphere. Oust suppressiontechniques (e.g., water spray) will be utilized 1f dusty conditions exist.The following Instruments will be used during on-slte activities.1. HNu and/or OVA

a. An off-site background level will be established as • minimumon a dally basis.

b. Discontinuous readings above background will require caution.A reading significantly greater than S ppm above backgroundwill require re-evaluation of the activities and levels ofprotection.

c. Continuous. 15 mln. Time Weighted Average (TKA) readingsless than 1 ppm above background will dictate a minimum ofmodified D level of protection.

d. Continuous, 15 mln. TwA readings 1n the range 1-5 ppm abovebackground will dictate a minimum of level C protection andthe use of saran coated tyveks.

t. Continuous, 15 mln. TMA readings greater than 5 ppm abovebackground will dictate a minimum of level B protection.Since level B gear will not be carried to the field, this Isequivalent to evacuating the site and re-evaluating theactivities and levels of protection.

2. Cyanide Draeger Tubesa. A reading of Sppm or greater of cyanide will dictate site

evacuation.

trj» 3 2* Zla c o * SI=" = -• §'




641/24/86

244-RIl-OP-CCZA-l

Prepared by: E«11 DulReviewed by: L. Partridge

3. Resplrable Dust Monitora. Partlculate readings of 0.50 mg/m3 above background will

dictate a minimum of level C protection and use ofsaran coated tyveks (0.50 mglm based on PEL levels set forBromoform).

b. Other criteria discussed 1n (F-2) will be used.

H. Decontamination Procedures and Site/Work Area Organization1. Site/Work Area Organization

In order to create efficient and safe working conditions, access toand from the site/work area must be controlled by delineating certainareas of It with certain work activities. For this purpose, as wasshown 1n Figure 6-1, a four-zone operation area will be set up ateach site work area. A typical site work area will consist of: anexclusion zone where the actual field activity would take place, anequipment decontamination area, a personnel decontamination zone, anda command post.The exclusion area will contain the worksite and heavy equipmentdecontamination pad. Levels of personnel protection In this areawill vary depending on work function, dally on-stte activity, andmonitoring data, etc.

2. Decontamination ProceduresA designated area will be established for personnel decontaminationand equipment decontamination (See Figure 6-1). Personnel andequipment decontamination should be separated by no less than 10 feet.The equipment decontamination area should be downwind of the personneldecontamination area. The personnel decontamination area will containat a minimum:

Removal and proper disposal of disposable clothing;Decontamination solutions for gloves, boots andclothing;Hash and rinse waterMash tubs and brushes;Hand/face wash;Disposable and equipment drops;Emergency first aid equipment;Work on-site Involving Intrusive activities will requirethe need for a full body rinse area.

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Document: Project Operations PlanKatonah well Site


651/24/86

244-R11-OP-CCZA-1


All workers will be shown the correct procedures for decontaminationand for changing from decontaminated clothing to clean clothing. Thedecontamination areas will be monitored using • photolonlzatlondetector (P1D) or flame lonlzatlon detector (FID) on a periodic basisto ensure that this area does not become overly contaminated.Equipment decontamination will Include:

• Soap wash and rinse;• Solvent rinse, 1f necessary; and• Steam cleaning for heavy equipment.

A permit will be sought from the town so that mecon wash water andpurged well water may be discharged Into the storm sewer nearest thework area. Otherwise decon wash water and purged well water for theactivities outlined In this plan will be put Into SS gallonplastic/steel drums, and moved to the secured accumulation point nearthe Katonah well to be removed during remediation.Disposable clothing or other equipment that 1s potentiallycontaminated will be placed In drums and left «t the supply well forremoval during remediation. This will be left on-slte to be disposedof according to local, state or federal guidelines/procedures. Referto Figure 6-1 for a diagram of Typical Site work Area.Respirators (MSA Ultra twin) shall be cleaned dally according toprocedures prescribed by the manufacturer (MSA). Combinationcartridges, GNCH. will be used and replaced either dally or Ifbreakthrough Is detected at any time while In use. Positive andnegative pressure tests will be performed dally on each Individualrespirator prior to donning. The following checks (hall be performedon a dally basis In addition to the above:

• Exhalation valve - pull off plastic cover and checkvalve for debris or for tears 1n the neoprene valve(which could cause leakage).

• Inhalation Valves (two) - screw off cartridges andvisually Inspect neoprene valves for tears. Make surethat the Inhalation valves and cartridges receptaclegaskets are In place.

• Make sure a protective lens cover 1s attached to thelens. Lenses are expensive to replace and should beprotected at all times.

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COM REMEDIAL RESPONSE TEAM - REN II

Document:

Subject:


M1/24/86

244-ftll-OP-CCZA-l

Prepared by: Ml 0*1Reviewed by: L. Partridge

Nake sure you have the right cartridge (use OCM).Make sure that the face piece harness Is not damaged.The serrated portion of the harness can fragment whichwill prevent proper face seal adjustment.Make sure the speaking diaphragm retainer ring Is handtight.

KesponslbllltesThe Field Operations Coordinator (FOC) has the primary responsibility for:1. Assuring that personnel are aware of the provisions of this plan and

are Instructed 1n the work practices necessary to ensure safety andplanned procedures for dealing with emergencies.

2. Assuring that appropriate personnel protective equipment 1s availablefor and properly utilized by all contractor personnel.

3. Assuring that personnel are aware of the potential hazards associatedwith site operations.

4. Supervising the monitoring of safety performances by all personnel toensure that required work practices are employed.

5. Correcting any work practices or conditions that nay result In Injuryto personnel or exposure to hazardous substances.

The Site Health and Safety Coordinator (SHSC) Is responsible forImplementing this safety plan at the site. The safety officer shall:1. Monitor hazards to determine the degree of hazard present.2. Determine protection levels, clothing, and equipment needed to ensure

the safety of personnel.3. Evaluate on-site conditions (I.e., weather and chemical hazard

Information) and recommend to the FOC modifications to work plans andpersonnel protection levels needed to maintain personnel safety.

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CON REMEDIAL RESPONSE TEAM - REM II

Document:

Subject:

4.

5.

6.

7.


671/24/86

244-R11-OP-CCZA-1


Monitor performance of all personnel to ensure that the requiredsafety procedures are followed. If established safety rules andpractices are violated, a report of the Incident, Figure 6-2. Mill befiled and sent to the Regional Health and Safety Supervisor (RHSS)within 48 hours of the Incident.Notify emergency authorities - police, fire, and ambulance - of theteam's presence, work assignments, and procedures that will befollowed during emergencies.Assure that all REM II personnel have been trained for anynon-routine site activities.Assure that all subcontractor personnel have been trained In propersite safety procedures Including the use of personal protectiveequipment.

8. Halt operations Immediately, If necessary.9. Conduct dally safety briefings as necessary.It shall remain the responsibility of each field personnel on-slte tounderstand and follow the Health and Safety plan and complete a SiteActivity Log after completion of a specific field activity (Figure 6-3).These shall be forwarded to the RHSS.

J. Emergency Information and ContingenciesEmergency comminl cat Ions will be maintained during all on-slte fieldactivities. Emergency numbers and routes are detailed on page S of 6 ofthe S.E.F. The route to the hospital nearest the Katonah Hell site Isoutlined on Figure 6-4. Forms should be posted 1n the svoport rone. Ifan emergency occurs such as fire or explosion, all cm-site personnelshould exit the site In an upwind manner and assemble off-site. If anon-slte Injury occurs, the following should take place.

1. worker InjuryIf an employee working In a contaminated area Is physically Injured,Red Cross first aid procedures will be followed. Depending on the

* severity of the Injury, emergency medical response my be sought. Ifthe employee can be moved, they will be taken to the edge of the workarea (on a stretcher, 1f needed) where contaminated clothing will beremoved (If possible), and transportation to local emergency medicalfacility awaited.

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Document: Project Operations PlanKatonah Hell Site


Injury/Exposure Incidents:

661/24/86

244-RI1-OP-CC2A-1

Prepared by: Em1l DnlReviewed by: L. Partridge

S-*s

If the Injury to the worker Is chemical In nature the following firstaid procedures are to be Instituted as soon as possible:a. Eye Exposure - If contaminated solid or liquid gets Into the

eyes, wash eyes Immediately at the emergency eyewash stationsusing large amounts of water and lifting the lower and upperlids occasionally. Obtain Medical attention Immediately.(Contact lenses are not peraltted In the Exclusion Areas.)

b. Skin Exposure - If contaminated solid or liquid gets on theskin, promptly wash contaminated skin using soap or milddetergent and water. If solids or liquid penetrate throughthe clothing, remove the clothing Immediately and wash theskin using soap or mild detergent and water. Obtain medicalattention Immediately If symptons warrant.

c. Breathing - If a person breathes 1n large amounts of organicvapor, move the exposed person to fresh air at once. Ifbreathing has stopped perform artificial respiration. Keepthe affected person warm and at rest. Obtain medicalattention as soon as possible.

d. Swallowing - If contaminated solid or liquid has beenswallowed, obtain medical attention Immediately, and call thePoison Control Center.

A 11st of chemicals likely to be found on-slte are attached to thesite safety plan. First aid treatment for exposure to each of thechemicals will be kept on site and notification of Its location willbe made by the SHSC.Major AccidentsMajor accidents which pose a potential Immediate threat to life,11mb, or health shall be handled In the following manner:a. The necessary emergency response services (ambulance, fires.

hospital, poison control center) shall be notified, as wellas the appropriate COM personnel shown on page 5 of 6 of theSEF's.

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Document:

Subject:


741/24/86

244-RI1-OP-CCZA-1

Prepared by: Eeril OulReviewed by: L. Partridge

a« •» * =•

b. Other person(s) threatened by the accident will evacuate thearea and operations 1n the areas of the Incident will ceaseuntil approval to resume Is given by the Field OperationsCoordinator.

c. The SHSC will contact the RHSS and the site Manager as soonas possible. The site manager will 1n turn Inform the siteproject officer at Region II, USEPA of the accident and awritten report detailing the accident, Its causes, andconsequences shall be submitted to the REM II Health andSafety Manager within 48 hours of the Incident.

2. Emergency EvacuationIn the event of an emergency situation requiring evacuation of fieldpersonnel working within the designated Exclusion Zone, the followingprocedures will be followed:a. The Site Health and Safety Coordinator will signal to

evacuate through the use of air horns (2 sharp blasts).b. All personnel leaving the Exclusion Zone will proceed

directly to the Contamination Reduction Zone through tkeaccess control point and will decontaminate to the extentpossible 1n that such a delay will not pose an unreasonablerisk to the safety of on-site personnel.

3. Explosions and FiresIn the event of an explosion or fire at the site, the FieldOperations Coordinator shall take the following minimum actions:a. Signal, through air horns - 2 sharp blasts, to evacuate all

unnecessary personnel from the area to an upwind location.b. Request emergency response assistance (I.e. ambulance, fire,

hospital, poison control center) as needed for any Injuriesor exposures to hazardous chemicals.

c. Notify EPA Region II of the Incident.In addition, the emergency telephone numbers attached should bedisplayed In a prominent location In the support zone.

'••'. .",'..*;.-

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751/24/86

244-111-OP-CCZA-1

Prepared by: Emtl OulReviewed by: L. Partridge

The SHSC Is responsible for obtaining maps and directions to firedepartments, police stations and hospitals In the area.If an emergency does occur on-slte requiring personnel to withdrawfrom the site, a prearranged signal 2 sharp blasts, through an airhorn, will be given by the SHSC.Emergency First AidEmergency first aid treatment Is only administered by trainedIndividuals as a means of providing relief from Injury and preventingfurther damage until professional treatment can be obtained. If anymember of the sampling team Is trained In emergency first aid, he/sheshould be consulted. It Is also desirable that the Field OperationCoordinator be trained In first aid treatment.The following first aid equipment shall be provided at each work site:

American National Red Cross Aid HandbookCompressesGauze and gauze roller bandageTriangular bandagesEye dressing packetSmelling saltsBaking sodaPortable eyewash unitSafety rope and harnessOxygen bottles, valves, etc.Soap or waterless hand cleaner and towelsBack braceBand aidsTapeScissorsTweezersRazors

Heat Stress Monitoring

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Since all of the field work 1s planned to occur In late February andearly March the details of this section have been omitted.

CON REMEDIAL RESPONSE TEAM - REM II

Docinent: Project Operations PlanKatonah Hell Site

Subject: 6.0 HEALTH AM) SAFETY PROTOCOL

6. Cold Exposure

761/24/86

244-RI1-OP-CC2A-1


People working outdoors 1n temperatures at or below freezing My befrostbitten. Extreme cold for a short time My cause severe Injuryto the surface of the body, or result In profound generalizedcooling, causing death. Areas of the body which have high surfacearea-to-volume ratio such as fingers, toes, and ears, are the mostsusceptible.Effects of Cold ExposureTwo factors Influence the development of a cold Injury: ambienttemperature and the velocity of the wind. Hind chill 1s used todescribe the chilling effect of moving air In combination with lowtemperature. For Instance, 10*F with a wind of 15 mile per hour(mph) 1s equivalent 1n chilling effect to still air at -18*F.As a general rule, the greatest Incremental Increase In wind chilloccurs when a wind of 5 mph Increases to 10 mph. Additionally, waterconducts heat 240 times faster than air. Thus, the body coolssuddenly when chemical-protective equipment Is removed If theclothing underneath 1s perspiration soaked.Local Injury resulting from cold Is Included 1n the generic termfrostbite. There are severe degrees of damage. Frostbite of theextremities can be categorized into:

Frost nip or Incipient frostbite; characterized by -suddenly blanching or whitening of skin.Superficial frostbite; skin has a waxy or whiteappearance and Is firm to the touch, but tissuebeneath Is resilient.Deep Frostbite; tissues are cold, pale, and solid;extremely serious Injury.

To administer first aid for frostbite, bring the victim Indoors andrewarm the areas quickly In water between 30*C and 41*C<iG2*F-105*F). Give a warm drink - not coffee, tea or alcohol. Thevictim should not smoke. Keep the frozen parts In warm water orcovered with warm clothes for 30 minutes, even though the tissue willbe very painful as It thaws. Then elevate the Injured area andprotect 1t from Injury. Do not allow blisters to be broken, usesterile, soft, dry material to cover the Injured areas. Keep victimwarm and get Immediate medical care.

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771/24/66

244-RI1-OP-CCZA-1


After thawing, the victim should try to move the Injured areas alittle, but no more than can be done alone, without help.

Do not rub the frostbitten part (this may causegangrene).Do not use Ice. snow, gasoline or anything cold onfroltSlte.Do not use heat lamps or hot water bottles torewarm the part.DO not place the part near a hot stove.

Systemic hypothermia Is caused by exposure to freezing or rapidlydropping temperature. Its symptoms are usually exhibited 1n fivestages: 1) shivering; 2) apathy. Ustlessness, sleepiness, and(sometimes) rapid cooling of the body to less than 95'F; 3)unconsciousness, glassy stare, slow pulse, and slow respiratory rate;4) freezing of the extremities; and. finally. 5) death.As a general rule, field activities should be curtailed If equivalentchill temperature (*F) as defined In Exhibit 1s below zero unless theactivity Is of an emergency nature. The ultimate responsibility forproposing a delay 1n work at a site due to Inclement weather restswith the SHCC.Health and safety of personnel 1s the major consideration In all siteactivities. All site operation planning must incorporate an analysisof the hazards Involved and procedures for preventing or minimizingthe risk to personnel. The SUSS establishes the safety practices andprocedures to be followed so that the welfare and safety of workersIs protected. The plan must evaluate both the nature of the chemicalcompounds present and other hazard's that could affect responsepersonnel.

K. On-S1te Safety Briefing Topics1. Preliminary

• Medical clearances for all participants .* Written site safety plan available (copies to all

participants)

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781/24/66

244-RI1-OP-CCZA-1


' Personal protection gear and decontamination equipmentavailable for checkout, demonstration and fit testing(If necessary)

• S.E.F. Training/briefing page (to be signed by allparticipants at conclusion of training)

2. Training Topics• Delineation of on-site personnel responsibilities.• Review of health and safety plan Including:

Types of hazardspathways of exposurelevels of protectioncontamination avoidancephysical hazardsdecontaminationemergency proceduresspecific on-slte area/work tasks of concern

• Decontamination review Including:delineation of work zonesset-up and dry run of equipment and procedures

• Equipment training, If necessaryrespiratory equipment check-out and maintenance(FIT test. If necessary)

• Personnel protective clothing - use and dress outprocedures

• Monitoring equipment review• Questions and answers• Signing and completion of briefing and training page

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(REM 9/7)NY

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Section 90 Revision Number: 1 Date 2't/M

SECTION 9.0 HEAT AND COLD STRESS

9.1 IntroductionStrati can contribute significantly to accidenti or harm workers m other waysThe term tires* denotes the physical (gravity, mechanical force, heat. cold, pathogenInjury) and psychological (fear, anxiety, crises, joy) forces that are experienced byIndividualsThe body's response to stress occurs tn three auger

• Alarm reaction tn which the body recognizes tha atrattor and the prtmtary-adreno-corticai system responds by mcraating tha heart rate and Wood su-gar level, decreasing digestive activity and dilating tha pupils

• Adaptive stage In which the body repairs affect of stimulation and ma avastsymptoms disappear.

• Eihaustion stage in which the body can no longer adapt to stress and indi-vidual may develop emotional disturbances, and cardiovascular and renaldiseases

The most common types of stress that affect REM II field personnel art haatand cold stress Current thinking is that heat and cold stress may be the most eenoushazard to workers at wares sites.

•.2 Haat StreetHeat strata usually is a retort of protective clothing decreasing natural body <although It may occur at any time work is being performed at elevated temperatures.It the body's physiological processes fail to maintain a normal body temperature be-cause of excessive haat. a number of physice! reactions can occur ranging from mid(such as fatigue. Irritability, anxiety, and decreased concentration, dexterity, or move-ment) to fatal. Because haat stress to one of the most common and pottntiaOy aanousIllnesses that hazardous waste sites, regular monitoring and other pre<eraa:»e meas-ures art vital.REM II silt workers mutt team to recognize and treat the varloua forms of haat stressThe bast approach la preventativa heat stress management. In general:

• Have workers drink It ounces of water before beginning work, such asIn the morning or after fcnclv Provide dtsposiWe. 4 ounce cups, and waterthat Is maintained at SO*- Mr F. Urge workers to drink 1 • 2 of these cupswater every 20-minutes. for a total of 1 -2 gallons per day. Provide a coot,preferably air conditioned area for rest breaks. Discourage me use of atconotm non-working hours, a/id discourage tha intake el coffee during wortmghours. Monitor for signs of heat stress.AccBmate workers M Site work eondMons by stewty Increasingto., do not begin art* work activities wan extremely demanding act****.

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Stction 90 Revision Numbar: 1 Data 2/t/M

• Provide cooling davlcaa to aid natural body ventilation Thtsa devices. how-avtr. add weight. and ihtir use should ba baimcad agamst worker effi-ciency, An example o( a cooling aid is long cotton underwear which *-ts asa wick to help absorb moisture and protect the skin from direct com . withheat-absorbing protects* clothing.

• Install mobile ahowere and/or hose-down fadiniaa to reduce body tempera-tura and cool protective clothing.

• In hot weather, conduct field activities In the early morning or evening.

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Enaura that adequate shelter la available to protect personnelhaat. as waU as cold. rain. enow. etc.. which can decrease physical efti-ciency and Increase the probability ol both heat and cold stress. If possible.•at up the command post in the shade.In not weather, rotate shifts of workers wearing impervious doming.Oood hygienic standards must ba maintained by frequent changes olclothing and showering. Clothing should ba permuted to dry during ran pe-riods Parsons who notice skin problems should immediately consult medicalpersonnel.

•.) Heat StrokeHeat stroke la an acute and dangerous reaction to haat stress caused by a failure elhaat regulating mechanisms of the body • the Individual's temperature control systemthat causes sweating stops working correctly Body temperature hses so h»gn that braindamage and death will result It the parson Is not cooled quickly.

• Symptoms: Red. hot. dry ftm. although parson may have bean sweatingearner; nausea; dizziness; confusion: extremely n/gn body temperature, rapidrespiratory and pulse rate: unconsciousness or coma.

• Treatment: Cool the victim quickly, if the body temperature is .-. broughtdown fast, permanent brein damage or death win result Soak the vicwn Mcool but not cold water, sponge the body with cool water, or pour water onthe body to reduce the temperature to a safe lever (102 F) Observe thevictim and obtain medical help. Do not give coffee, tea or aiconouc bever-

M Haat CihaustlonHaat exhaustion la a state of van; definite weakness or exhaustion caused by the toesof fluids from the body. This condition is much lass dangerous than heat stroke, but Mnonetheless must be treated.

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Symptoms: Pale, clammy, moist akin, profuse perspirationweakness Body temperature la normal, pulse is weak and rapid, breathing lashadow. The parson may have a headache, may vomit, and may be dtayTreatment: Remove the parson to a cool, air conditioned

9-2

Saction 9.0 Revision Number. 1 Data 2/i/U

clothing place in a head-low position, and provide bed rest Consul) pftyj..cian. especially in severe cases The normal thirst mechanism is not sens-live enough to ensure body tiuid replacement. Have patient drink 1-2 cupswater immediately, and every 20-minutes thereafter, until symptoms subsideTotal water consumption should be about 1 • 2 gallons par day.

1.5 Haat Cramps

Heat cramps are caused by perspiration that is not balanced by with adequate fluidIntake. Heat cramps ara often tha first sign of a condition that can lead to heat stroke

• Symptoms: Acute painful spasms of voluntary muscles: eg., abdomen andextremities.

• Treatment: Remove victim to a cool area and loosen Nothing. Have patientdrink 1 • 2 cups water immediately, and every 20-minutes thereafter, untilsymptoms subside. Total water consumption should be 1 - 2 gallons par day.Consult with physician.

».< Haat RashHaat rash Is caused by continuous exposure to haat and humid air and aggravated bychafing clothes The condition decreases ability to tolerate neat.

• Symptoms: Mild red rash, especially in areas of the body in contact wanprotective gear.

• Treatment: Decrease amount of time m protective gear, and provide powderto help absorb mositure and decrease chafing

•.7 Heat Stress Monitoring end Work Cycle ManagementFor strenuous field activities that are pan of on-going site work activities in hot weather,the following procedures shall be used to monitor the body's physiological response toheat, and to manage the work cycle, even If workers are not wearing impervious aotrvIng These procedures are to be Instituted when the temperature exceeds 78*F.

• Measure Heart Rale (HR). Heart rate should be measured by the «Saipulse for 30 seconds as early as possible* m the resting period. The HR attha beginning of the rest period should not exceed 110 beets/minute. N the.HR Is higher, the next work period should be'tnortened by 33%. whla thelength of the rest period stays me same. H the.puise rate at* exceeds 110beats/minute at the beginning of the next rest period. Mr-Mowing work cy-cle should be further shortened by 33%. The procedure ej continued untt -the rate is maintained below 110 beats/minute.

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Measure Body Temperature. Body temperature should be measured onlywith a clinical thermometer as early as possible in the resting penod Oraltemperature (OT) at Iha beginning of tha rest period should not exceed 99 6*f. If It doaa. tha next work period should be ewnened by 33%. wh*e thelength of tha rest period stays tha same. If the OT exceeds 99 6*F at thebeginning of tha naxt period, tha following work cycle should be furthershortened by 33%. The procedure Is continued untu the body tamparatura lamaintained below 99 tffManage Work/Rest Schedule,used as a guideline:

The following work/rest schedule *nan be

AtijutndTtmperttvn fr)75 or lass80as9095100

Active Wont Time Cmm/nr)Utmg lave/ 8/C Promote GearSO403020100

Calculate the adjusted temperature:T (adjusted) m T (actual) * (13 x traction sunshine)Measure the air tamparatura with atandard thermometer. Estimate fraction of aunsffcneby judging what percent the sun is out: 100% sunshine • no doud cover » t.O S0«esunshine • 50% cloud cover • 0.5: 0% sunshine • fuU cloud cover • 00)Reduce or mcresta the work cycle according to the guidelines under heart rate andbody temperature.

9.t Cold StressPersons working outdoors in low temperatures, especially at or below freezing are sub-ject to cold stress. Exposure to extreme cold for a short tima causes severe injury totha surface of the body, or results In profound generalized cooung. causing deam.Areas of tha body which have high surface area-tc-volume ratio such as fingers, toes.and ears, are the most susceptible.Protective clothing generally does not afford protection against cold stress. In manyinstances, ft incnttei suscaptabtuty.Two factors Influence the development of a cold injury: ambient temperature and wevelocity of the wind. Wind chill la used to describe the chiding effect of moving a* Mcombination with low temperature.As a general rule, the greatest Incremental Increase to wind chat occurs when a wind of5 mph tocroasM to 10 mph. Additionally, water conducts heat 240 times taster than air.Thus, tho body cools suddenly when chemical-protectfce equipment K removed * theclothing underneath is perspiration soaked.

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M FrostbiteLocal Injury resulting from cold Is Includad In tha genaric tarm frostbite. Frostbit* of theaxiramitias can ba catagorizad into:

• Frost nip or Inclpent froatbita is characterized by suddan bunching orwhitening of skin.

• Superficial frostbit* Is characterized by skin with a waxy or white appear-anca and Is firm to the touch, but ttssua beneath is resilient.

« Daap frostbite Is charactarizad by tissues that ara cold. pale, and sc*o

To administer first aid for frostbit*: Bring the victim indoors and rewarni tha areasQufcMy in water that is between 39°C and 4i°C (102°F-105^F) Give a warm drink • notcoffee, tea or alcohol. The victim must not smoke. Keep the frozen pans ki warm wateror covered with warm clothes for 30 minutes, even though tha tissue win be vary painful•s it thaws Then elevate the injured area and protect it from Injury. Do not alow bfcs-ters to be broken. Use sterile, soft, dry material to cover the Injured areas. Keep victimwarm and get immediate medical care.After thawing, the victim should try to move the injured areas a tittle, but no more thancan ba done alone, without help,Note:

» Do nor rub the frostbitten pan (this may cause gangrene)• Do nor use ice. snow, gasoline or anything cold on the frostbitten area• Do nor use heat lamps or hot water bottles to rewarm the pan.• Do not piece the pan near a hot stove

1.10 HypothermiaSystemic hypothermia ts caused by exposure to freezing or rapidly dropping tempera-ture. Ha symptoms are ueualty exhibited in five stages:

• Shivering• Apathy. Natlessness, sleepiness, and (sometimes) rapid cooling of the body

to less than 95*F• Unconsciousness, glassy star*, alow puts*, and stow respiratory rate• Freezing of tha extremities• Death

As a general rule field activities shell ba euriaMd If equtvatem cNH temperature (*F) aadefined In Exhibit 9-1 la below zero (0*F) unless the activity la of an emergency nature.

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FIGURE 6-21 •» •

EMPLOYEE INJURY/EXPOSURE INCIDENT REPORT

DATE:

EMPLOYEE:

SITE NAME:

EMPLOYEE NO.:.

TASK/PHASE:

SITE CATEGORY: SITE STATUS:

SITE EVALUATION FOR REF. NO.:

INCIDENT TYPE: ___ Possible Exposure; ___ Exposure; ___ Injury

DATE OF INC!DENT:__________________ TIME: _______

LOCATION:

SITE CONDITIONS AT TIME OF INCIDENT:

Temperature _________L Wind Speed & DurationHumidity _________________ Cloud Cover ______

_______ Other _________Precipitation

TYPE OF EXPOSURE/INJURY:

MATERIAL EXPOSED TO (chemical compound name, physical state, etc.):.

NATURE OF EXPOSURE/INJURY (parts of body exposed/injured, etc.):

MEDICAL CARE RECEIVED {when, where, by whom):.

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HAS EXPOSURE/INJURY RESULTED IN:

__ Death _________

Permanent Disability

Loss of Work Time _

Other

OTHER INDIVIDUAL INVOLVED/AFFECTED:

WITNESSES:

POSSIBLE CAUSE OF INJURY/EXPOSURE:

FIGURE 6-2

WERE OPERATIONS CONDUCTED USING APPROVED HEALTH & SAFETY PLAN:

__ Ves Reference:__________,____________ No Explain:_____________,_________

WAS INJURY/EXPOSURE DUE TO LIMITATIONS OF PROTECTIVE CLOTHING:

__ No

__ Yes Explain:_______________________

HAS EPA BEEN NOTIFIED: No Yes (Attach Documentation)

HAS STATE REGULATORY AGENCY BEEN NOTIFIED:

__ No __ Ves (Attach Documentation)

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HAS HSO BEEN NOTIFIED: __ No

MEDICAL CONSULTANTS COWENTS:

Yes (Attach Documentation)

Physican

HSM COMMENTS:

ACTIONS REQUIRED:

HSH

ACTIONS COMPLETED:

HSM

HSD

Date

Date

Date

Date

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FIGURE 6-3

EMPLOYEE NAME: SOCIAL SECURITYFIRM. CITY/LOCATION:

DATE OF LAST PHYSICAL/APPROVED MEO. FACILITY NAME: _

SITE NAME: .. '___________ SITE CATEGORY:

TAS K/PHAS E: ______ SITE STATUS: Continuous ( ) Intermittent ( )

SIT- EVALUATION FORM REFERENCE NO:

WORK ASSIGNMENT: __________

OATE(S) ON-SITE: FROM __ TO__ TOTAL CUMULATIVE HOURS ON-SITE: __

TOTAL CUMULATIVE HOURS IN: PROTECTION LEVELl A ____. B ____,C ____. 0 ____

PREVIOUS CUMULATIVE TIME ON ALL SITES (CATEGORY 1 ft 2 ONLY) SINCE DATE OFLAST PHYSICAL: ______

TOTAL CUMULATIVE TIME ON ALL SITES (CATEGORY 1 i 2 ONLY) SINCE DATE OF LASTPHYSICAL: ______

ADDITIONAL INFORMATION FOR THIS WORK ASSIGNMENT - Plme answer Questions bvplacing an "X" in Yes or No block. If Yts. please amplify on the reverseside,

(a). Any notable oecurances with respect to health andsafety?

(b). Any violations of health and safety rule! observed?(c). Any accidental exposure to hazardous Materials or

conditions?(d). Has an Incident report filed?(e). Any acute exposure to hazardous Mttrlals?(f). Any physical difficulties experienced while on assign-

ment?(g). Additional Contents

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SIGNATURE OF EMPLOYEE:

ON-SITE COORDINATOR:REGIONAL HEALTH i. SAFETY MGR.

•/DATE:

70ATE:

/DATE:

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SITE PERSONNEL PROTECTION ft SAFETY EVALUATION FORMEPA HA NO. H1-2LF6.3 REM II DOC. NO.

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PAGE 1 Of 6

SITE r«ton»h Municipal Nell EPA REGION IILOCATION Bedford. Westchester County. N.Y. EVALUATOR Peter Gorton

SITE DESCRIPTION The Katonah Municipal Well Is located on Jayadjacent to Muscoot Reservoir, the well was part of the Bedfordion District. Halogenated organic* including tetrachloroethylene•odichloronethane. bronofora and trichloroetnylene were discover*of 1978. the well has been out of service since that date.

Street In the town of BedfordMater Storage and Distribu-. dibromochloromethane. bro-il in the well water in Dec.

SITE MAPS ATTACHED Yes

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BACKGROUND EmiROtHENTAir M> indication of aBbTenfair contami-nation has been reported.Soil n> indication and no data on surface

Surface water Data on Ruscoot Reservoir showno contamination from halogenated organic*.Groundwater See attached

and subsurface contamination. For waterbearing zones see GroundwaterAdditional Hazards On-Site Clearances will bewater dlstrtb. lines, storm sewers, gas linestanks (if any).

obtained, following mapping of: Septic tanks.. telephone and power lines, underground storage

Information Sources Used Phase It1983 and June 1985. Interim Report for the Katonah Munlclpa

Phase II Investigation Reports.Well

Katonah Hell. N.Y. JuneSite. REM II. Sept. 1985.

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Cronndvater The following halogeaated organic* and their •axlma) concentration* have beenobserved In the Katonah Well water.

Tetrachloroethylene (PCE)xDlbroaoehloroaethanetBrottiodlchloroenethan* tBronwform:Trlchloro«thylene t

12 ppb10 ppb9 ppb12 ppb2 ppb

Note: Since the Katonah Hell 1* an Infiltration type veil, the concentration* ahown above arc onlyIndirect •eaanrenenta of the exlatlng groondwater contamination. The actual concentration level* Inthe gronndvater nay be higher.

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SITE PEKSOmEL PKOTECTION & SAFETY EVALUATION POSH. PACE 2 OP 6KEM II DOC. MO.

FIELD IKVESTICATIOIf ACTIVITIES COVERED UNDER THIS SEP

Task No. Description

POP DOCOMENT CONTROL HO.

Pre11«tnarySchedule

Hollow Ste« Aaget BerlngaMonitoring Hell InstallationMonitoring Well DiTelopgentMonitoring Well SatiplingField Permeability Testing (Slug Te»tlng)

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SITE PERSONNEL PtOTECTION t SAFETY EVALUATION FORM FARE 4A OFREM II DOC. NO.

SITE PERSONNEL

NAMEThoaaa HughesScott ThcalBarbara Sl*psonMichael Eootaxl*Dlsjttrl HlltonEall Dul

SITE ACTIVITT Soil Borings

S.S. NO.044076158212083109

- 54- 56- 46- 44- 50- 34

- 3735- 2919- 3330- 3910- 4693- 4094

PIRN REGIONCOM IICDH IICDH IICOM IICDH IICDH II

LEVEL OFPROTECTION

CCCCCC

CONTINGENCY VERIFYD ( )D ( )D ( )D ( )D ( )D ( )

PERSONNEL PROTECTIVE EQUIPMENT VerifyLevel D *)od: Saran-covered tyvek ( }nltrlle or neoprene gloves over ( )surgeons gloves steel toe/shank ( )work boot*, ear plugs, hard hat* ( )Level C: APR with CHCH cartridge* ( )MSA full face, saran covered tyvek ( )coveralls, disposable rubber ( )booties over neoprene steel toe/ ( )shank work boots nltrlle {glove* ( )over surgeon glovee hard hatSj car ( )Pluta. ( )

FIELD MONITORINGOVA

EQUIPMENT Verify( )

HNu ( )Cyanide DraegerCombustible CaaResplrable Oust

Tube* ( )and Oxygen Meter ( )Monitor ( )

( )( )( )( )( )( )

DECON All dl*po*abl* eqwlpaent and *lte war* will be put In a 53 gallon drusi to be placed In an area tobe designated by the Town and USEPA. All nonexpendable gear will be decontaminated In field, alr-drted, placed In a pla*tlc bag and trannported to equipment war*ho«ae«

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SITE PERSONNEL PtOTECTtOM t SAFETY RVAL0ATION POtM PACE 41 OP 6IEM II DOC. HO.

SITE PERSONNEL

NAMETnovae liugheeScott ThealBarbara StepsonMichael KontaxleDlvltrt Hlltoo£•11 Dul

SITE ACTIVITY Monitoring

s.s. no.044076158212083109

- 54- 56- 46- 44- 50- 34

- 3735- 2919- 3330- 3910- 4693- 4094

PIRNCOMCOMCOMCOMCOMCOM

Hell Installation

REGIONIIII1111ItII

LEVEL OPPROTECTION

CCCCCC

CONTINGENCY VERIPYD ( )D ( )0 ( )D ( )D ( )D ( )

PERSONNEL PROTECTIVE EQUIPMENT VerifyLevel 0 w>d: Satan-covered lyjrek T )nltrlle or neoprene glovea over ( )eurgeona glovea ateel toe /shank ( )•ork boot*i ear pluge, hard hate ( )Level C: APR with CMCH cartridge* ( )MSA full face, aaran covered_t_yvek ( )covarille, dlepoeable rubber ( )boot lea over neoprene eteel toe/ ( )ohank vert boota nltrlle glovea ( )over ewrgeon glovee hard hate, car ( )pluia. ( )

PIELD MONITORING EQUIPMENT VerifyOVA ( )HNu ( )Cyanide OraegerCoabusttble GeeReaplrable Duet

Tubes ( )and Oxygen Meter ( )Monitor ( )

( )( )< )( )( )( )

DICON All dlapoaable eq.«lp«ent and ette «are vtll be put In • 55 gallon druai to be placed in an area tobe designated by the Tovn and USEPA. Alt «on-eKpe«dable gear will be decontaminated In field, alr-drled, placed In a plastic bag and trannported to equlpetent •arehouae.

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SITE PERSONICl PROTECTION t SAFETY EVALUATION FORMKEN II DOC. 10.

PAGE « OF 6

SEF REVIEW I have readProtectionHealth and

S.H.S.C. SignatureCoMoents:

. understood, and agreed vfth the Information set forth In this Personneland Safety Evaluation Fora (and attachaents) and discussed In Preslte VisitSafety briefing. * , .

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APPENDIX C

TOXICITY INFORMATION ON COMPOUNDS PREVIOUSLY DETECTEDAT

KATONAH MUNICIPAL WELL SITE

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1.1A2-TETRACHLOROETHYLENECAS RN: 127114 NIOSH 3: KX 3150000mf: CKX mw: 165.12Colorless liquid. chloroform-like odor, mp: -23.33*. bp:121 20*. Hash p: none, d: 1.6311 • I3V4*. vap. press:15.1 sun • 22*. vap. d: S.I).SYNSCAiaoM aiCHio«i>tCAIION MCMLOaiOCcmnocHLOAOt TYIIN (RM.HH)oov-naITNUINI TtnucHioniMMCK045IOKKNlOOatTMVLttN, Hi

(DUTCH)

nacm.oaiTHvt.sMs, rtn(PUNCH)

MAN)

TOXICITY DATA: 9•kM TCU •• 1000 ppn/MH ( I4D

•K/l-UO pnt)**«• TCU: ion *m/MH (I-1JD

M4M TCU WO Ka/TH (MID•»!>

»m TCU MO a>m/TH <*-IJD

naciiNtrtacioaomtiNi (ITALIAN)nTaACMlOORITNIlN (DUTCH)maACMLoaAiTMtN (OUMAM)TlTIACMLOHOtTHVllMt (DOT)maACioaocriNt (ITAUAN)

TCU= MO pvai/TH (4-ISD

sfaMMIIOaif/MHIIVIU •* MLOl JO iL/afaM

•*•« TDU>: It) (ai/kg/KrW.|:CAK

| (CAM

«HNM TCU:* pam/TH'IY*iaMani TCU'JW apm/llMYfM-aaa TCU:«00 aam/IOM'CMort-ni LDX>:M» n*/k|Ikl M LCU'4000 ppn/4H

UMOUIOO auj/k|

UKB aif/kf

CODEN:APTOOt IVUI.SO

APTOO* i<A]t.soTJADAB lt.4IA.Tf

TXAFAf U.HTJ

TXAFA* U44.TS

JITOAS ».!7l,7tIETQAS ».l7l.7tNIOtH* 5AU077NIOSH* IAUO77NCTTR* Nd-CO-Tlt.

11,77NCTTV NCI-CO-T*.

IJ.77NTO" FtUT-IUAMIHKS.MtJlAMIHKJ.5tt.S2NPIIU* l.tt.74JOCMA7«Jt2.tlNTO" PI2I7-IIIAHIAAM II4.I3I.M

ert u U>U:4000 «i|A|ori t LOU MOO »( |*OMta LOU

arM* LDU:4000 mt/*t AIHYA2 MXXJ*• ----- TXAPA« io.ii».»r

OIPTAL UOJ.J4AJHVA2 »,4JO,»AIHYA] MJOJ*QIPTAL 7JOS.M

Aquatic Toxidty Rating: TLm96:100-10 ppm WQCHM*3.-.74. Careinogtnk DMeniUaaUoo: Animal PositiveIARC** 2a49l,79.

TLV: Air: SO ppm (ikln) DTLVS* 4,325.10. ToxicologyKnitw: AJMEAZ 31.409,63; 27ZTAP 3.139.69.OSHA Standard; Air: TWA 100 ppm; CL 200; Pk300/5M/3H (SCP-J) FEREAC 39,23540,74. DOT:ORM-A. Label: None FEREAC 41.57011.76. Occupa-tionaj Exposure to Tetrachkwoethylene item std: AirTWA SO ppm; CL 100 ppm/ISM NTIS". NC1 Carci-nogenesis Bioastay CompJetad; Ratults Posttivr Mouse(NCITR* NC1-CQ.TR-11.77). NCI CarcinogenesitBJoassay Compleied; Retulu Negative: Rat (NCITR*NCI-CO-TR-13,77) Cumnily Tested by NTP for Car-cuiogcnesis by Standard Bioastay Protocol as of De-cember 1980 "NIOSH Manual of Analytical Methods**VOL I 127. VOL 3 S333 NIOSH Current IntelligenceBulletin 20. 1971 Reported In EPA TSCA Inventory.I9W EPA TSCA IE No: OS7IOI4o-Follow»p Sentas of April. 1979,

THK: MOD via mhaL oral, sen. ipr and dermal iHIGH via ivn rattc. Not corrouve oracutely reactive, but touc by whaL by prolo»|ed orrepealed contact with ike tkin or mu mem. or whenintetied by mouth. The liquid can came injuries tothe eye*; however, with proper precautions it can behandled safely The symptom* of acute intoxicationfrom this material are die raak of its elects upontke nervous system.

Exposures to higher cone than 200 ppm cause irr.lachrymation and burning of the eyes and irr of thenose and throat. There may be vomiting, nausea, drew,siness, an attitude of irresponsibility, and even an ap-pearance resembling alcoholic intoxication. This male-rial also acts as an anesthetic, through the i«M«K>mof excessive amounts within a short time. The symp-toms of taUl intoxication are irritation of the eyes,nose and throet, then fullness Hi the head, mental confu-sion; there may be headache stupefaction, nausea andvomiting, personnel suffering from subacute poisoningmay sufler from such symptoms as headache, fatigue,nautea. vomiting, menial confusion and temporaryblurring of the vision This can occur when inadequateventilation results in concentrations higher than 200ppm. or where the vapor cone are intermittently highdue to faulty handling of the material, or when anindividual fails to lake adequate precautionary mea-sures.

This material can cause dermatitis, particularly afterrepealed or prolonged contact with the skin. The der-matitis is preceded by a reddening and burning andmore rarely, a blistering of the skin. In any event, theskin becomes rough and dry. due largely to the removalof skin oils by auterial The skin then cracks easilyand is readily susccptibic to infection. Upon ingcuionil causes iff of the gnnrointcitinal tract, which, in turn,causes nausea, vomiting, diarrhea and bloody stools.However, such effects are usually less severe than theeffects of swallowing ssmilir amounts of other cblon-naled hydrocarbons. An expcr CARC. MUT data.

Il may be handled in the presence or absence ofair, water, and light with any of the common construc-tion materials at temp, up to I40*C. This material isextremely stabk and rcusu hydroiysii. A common wrcontaminant. Reacu viatciuly with Ba. Be. Li; N|O<;meials; NaOH.

Daatirr Haiard Dangerous; when healed to decomp 11emits high lo> fumei of chlorides.

For further information see Perchlorodhylcne Vol. I, No.2 of DflM Ktpon.

er jo a =• • c o ™ o~?:?5-§

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BROMOFORMCAS RN: 73232 N1OSH #: PB 3600000mf:CHBr»; mw: 232.73Colorless liquid or hexagonal crystals, mp: 6>-7*. bp:149.3*. flash p: none, d: 2.890 O 20V4°.SYNS:MOMOTOCMI (PUNCH)SMMoroaMio (ITALIAN)MtnuNYL ruaaoMioaNCKJ1IX

TOXICITY DATA: 3 CODEN:•fl-mm TDU: 1100 na/ka/lW- CNUAI J7J7I7.77

wl-mt LD»: 1400 oa/la TXAPA* 44JIJ.7S•cmw LOW-1S10 Bi/kt TXAPA* 4JS4.Uicu-rbl LOU:4IO m»A« AEXPBL 21.201.11*1

- - - - - - - TXAPA* J2J9I.SOOTPZAB IMX31T4OTTZAB IKO.3J.74

TanWOMMITMAAN (DUTCH)TtlUOMUCTMAN (CUMAN)

MCTAN (ITALIAN)

LC»:IJIOO mf/miIfV^MB U>M):*274 DfAl

71K- Air as ppra (skin) DTLVS* 4.49.80. OSHA Sun-dard: Air TWA O.S ppm (skin) (SCP-K) FEREAC39.23340,74. Currently Tested by NTP for Carcinogen.«nt by Standard Btoassay Protocol ei of July. 1912."N1OSH Mutual of Analytical Methods- VOL 2 SI 14.Reported in EPA TSCA Inventory. 1910. EPA TSCA8(a) Prdiminzry AkKMment Information Propo*edRule FEkREAC 43.lJ646.ta Matt criteria for pro-posed OSHA Medical Records Ruk FEREAC 47,3OJ2C 32.

THR. An exper NEO. MOD od.tcu.TnJs materialcauses lachrymation. It can damaft the Kver to a seri-ous dearee and cause death. It has been said that itsmedicinal application has resulted in numerous poison-inp. It has anesthetic properties similar to those ofchloroform, but it is not sufficiently volatile for inhala-tion purposes and is far too toxic to be recommended.

• In addition to its narcotic effects, it is a metabolic poi-son. Petroleum geologists working in closed rooms witha large number of funnels or open sepmtory flasks,as required for routine procedure in the separation ofminerals, can be subjected to appreciable cone of bro-molbrm u an atmospheric contaminant. Inhal of smallamounts of this material causes irr, provoking the flowof tears and saliva and reddening of the face. In dogs,29.000 ppm caused a deep narcosis after S minutes,and death after I hr.; in 30 minutes there was deepnarcosis and recovery on the next day.

Disaster Hoard: Dangeroui, when hested to decomp,emits highly tox fumes of Br".

Tnatmtnt and Anildottf Remove patient to fresh airand if breathing hat stopped, administer artificialrespiration. Give oxygen if necessary. Call a physi-cian.

Incomp: Li. NaK alloy, acetone, potassium hydroxide.For further information see Vol. 2, No. 6 of OFtM A*-

port.

BROMODtCHLOROMETHANECAS RN: 73274 NKMH »: PA 3310000mf: CHBiOt saw. 163.13Colorless liquid, bp: I9.2*-«X6*. & 1.971 • 23V23*.SYNS:McmoumoMOMrnuMTOXICITY DATA:ort-rM LDy>:»U MfAt

ua UMO:4M •»%(

HCK5U4J

2 CODENTXAPA* 5USIJOTXAPA« «*JIJ.7S

Currently Tested by NTP for Ctrciaoaeneta by SuadardBioassay Protocol u of December 1MO.

THR: MOD orl. Probably narcotic in bigb cone.Disaster Hazard: When healed to dttwp • emits very

tox fumes of Br* and CT.

CHLORODIBROMOMETHANECAS RN: 124481mf:CHBr,CI; mw: 208.29Colorless to pale yellow, heavyfp. < -20°. d: 2.440 * 2SV23*.SYNS:DMKOMOCHLOtOMETKAMt HCK352M

NIOSH 9- PA 6560000

bp HI--I22-.

TOXICITY DATA:orl-m LDSO^Mt «»A|art-ma LDM^

', CODEN:TXAPA* !1»«1«TXAPA* «JU.n

Currently Tested by NTP for Carcinogcnem b) StandardBioassay Protocol ss of December 19(0

Reported in EPA TSCA Inventory. 1980THK: MOD orl. Compounds of this type are generally

irr and narcotic. See also bromoform and chloroformDiuutrr Hazard: Mod dangerous; »he» healed 10 de-

comp. emits tox fumes of Cl~ and Br'.

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f

%$P-yw !*•

TRICHLORO ETHYLENECAS RN: 79-01-4 NIOSH #: KX 4550000mf: C.HCU mw: 131.31Mobile liquid; characteristic odor of chloroform, d: 1.4649• 20V4"; bp: M.7'; Hash p: I9.6"F; lei - 12.3%; uel- 90% • above 30'; mp: -73«; fp: -86.8«; autoifn.temp.: 7$I«F; rap. preu: 100 mm • 32*; vap. d: 4.53.SYNS.ACrmiNt TIKMUMUMl-CNLOtO-U-mCNLOaOSTN-

VltNt1.1 -OKHUMO-l-CMiworni-

VLIMCDOW-TUITMVUH1 TUCNLOMM

NCI-C04S4*TMCHLOOMTMUN (DUTCH)TMCHKMUITNCN (GtRMAN)TBKtEMITimmrrtNi (ITALIAN)VlfTMX.

_ SKIN AND EYE IRRITATIONDATA:

MO ««/24H «V

MUTATION DATA:>IOO«L/plMtllptk/lH

: IO*L/L+4

I2100«t/l

REPRODUCTIVE EFFECTSDATA:UJ-rM TCLoMMO |>9<«/34H (I-JD

l"t)ihJ-iM TCto: 100 Sfm/4H (t-UD

pnt)Ikl-fM TCU: 1100 r»n/M< (I-JOD

Oftl)

TUMORGENIC DATA:iU-rat TCte: JOO spB/MI/TTW.

I=ETAorient TDU:45> s/*«/7tW.|:CAK

CODEN:JOCMA7 1.JD.WIIZPAK -JI.TJUZTAK UI.7J

CODEN:NIOSH* SAUOTtAKTODN 41 J4».WMUREAV tt.l71.T7MUREAV 4«JOinKTIS" AIXAOtMMKHS" AIVAOW4MJETTOQ Ml 1,71

CODEN:ATTOWJPHYA7 2TU4P.n

TXCYAC I4.D1.T*

CO&EN:ARTOON 43017JO

77W.|:ETAihl-kMi TCLo: 100 ppm/*H/

TTW-PETAOft-om TD:»11 i/k|/TIW-|:CAR

Ncixxj-ni-1,7*AUTOON 4U3TJO

ARTOON 4U17JO

TOXICTTY DATA:ikt-knui TCU>:**00 •(/»!•/

IOM CNSM-kmil TCU>: l«0 i UM :CNihl-hina TDUÎIl B«A| SYSlU^nu TCU: 1 10 nmrtH • IKK

IM-rai LCL» WOO pym/4H

ihl-mM LCUipc^nM LDX):

ipr of LD» 1*00 m(/kftc«-*>t LOU:

orlol LOLe^lihl-cjl LClo:»MDn|/MV:Horl-rtK LDU: 71 JO 0»A|•c.-rtH LDLe 1Oil (p| LCU

NO-C&TR-2.UAKTODN 4).U7.M

CODEN:AKTODN JUW.T*AH1AAM lli.l)I.M

AIHAAP JJ.U7.M•MJOAE J.*W.4JUIMAO J1.WJ.7INZMJAX».llt.3lAIHAAP I0.470.ttAIHAAP 10.470.MNTU" AD-AOI041*AEPPAE I4I,I*J«lETOAS 7(4),J47,74CKXT' 4.I4I.J4I3VXAJ I.IOM.MTXAPA* iail».»7HBTXAC !.7*.MQ1PPAL 7.JM.J4NVTXAC 3.7*.]*AMtAAM llfcllljtH«TXAC 3.7*,»QJPPAL TJOS.MHiTXAC 3.7»,W

Aqutlk Toiicity Ruling :TLm96 MOOD-100 ffmWQCHM* 3.-.74. Carcinoienic Deiemoanom A»-mal Positive IARC" 20.545.79; 1ARC** IIJ4J.76.

TLV: TWA 50 pom; STEL 150 ppn DTLVS* 4.4O*.MX

Taxicolov Xnifo. JTEHD6 2(3).67J.T7. CLPTAT I91.67; JOCMA7 16(3).I94,74; JOCMA7 17(9)403.73-.FNSCA6 2.67.73; BNYMAM 54.41X71; 27ZTAP3.146,69. OSHA Standard: Air: TWA lOOppm. 0200;Pk 300/5M/2H (SCP-J) FEREAC 39^354a74 DOT:ORM-A. Ubel: None FEREAC 41.57011.76. Ocap*-lional Expoture to Thchloroediylene rea» Md. AJTTWA 100 ppm; CL 150 ppm/lOM NT1SM.tional Eipoture to Watte AneMhetic GMCI Md V«recm «d: Air CL 2 ppm/IH NTIS". NQtennis BioaMay Completed; Reuihi(NC!TR*Na-CO-TR-2.76); Rctults(NCITR(NCl-CO-TR-2.76) Currently teMcd by NTPfor circinofeneM by Standard Bioaoay Ptoiocol mof April 1912. NTP Cardnofeaettt Bmauy COB-Dieted as of April 1912. -NIOSH Manual of AnlyaalMethods- VOL. I 127, Vol 3. S336. NIOSH Cwre.Intellitence Bulletin 2. 1975. Reported • EPA TSCAInventory. I9KX EPA TSCA I* NO: 05710144.Followup tent as of April, 1979.

IT/*. A strong skn. eye irr. MUT data. An aprr TEX.ETA. CARC. HIGH ivn. scu. ihl; MOD »L ort tfr.LOW orl ihl. lahal of high COM caasa nareoaB aatfanesthesia. A form of addiction has been nbttr»«d •exposed workers. Prolonted mbal of mad cow nmmheadache and drowtineu. Fatabties taUowi sr«ee.acute exposure have been anributed to vnnnrBtar i-brillalion resulting in cardiac failure. There • <to hver and other organs from chro 'have been repotted but arc of quDetermination of the mctabob'tes tnchloaceuc iand Irichloroethanol in urine reflects the ,of trichloroethylene. A food additivefood for human consumption. A iinant

fire Hoard: Low. when exposed to heal orcone of trichloroethylene vapor in hifb-4aap air enbe nude to burn mildly if plied wiih a ttms &**.Though such a condition is diBcch to pradvce. fc«sor am should «ot be used in ckxed aqvpsM" •***contiins any solvent residue or vcpor.

SfOHtannus Htating: No.Disaster Hazard: Dangeroin When heated w decaa^

h emits lox fumes of Cl*. See chlorides.For further information tec Vol I. No. 2 as* m 1

No. I of DPIM Htfon.lueomf. Can react violently with Al. Ba, N/X. U. **»•

liquid O,. O>, KOH. KNOt. Na. NaOH. TL

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a __ S_.•2 •? — ?•s--|j

ATTACHMENT "A"

STATEMENT OF WORK

FORMUNICIPAL HELL INVESTIGATION

ATKATONAH MUNICIPAL MEIL SITE

INTOWN OF BEDFORD

HESTCHESTER CO., NY

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CAMP DRESSER ft MCKEE. INC.

January 7, 1987

eo* otff!INTRODUCTION

Well Investigation and diving services are required to Investigate theKatonah Municipal Well In Katonah Village In West Chester County. New York.On Novanber 20. 1978 low levels of halogenated organlcs (specifically,perchloroethylene, PCE) were discovered 1n tap samples frw the KatonahMunicipal Well. On December 14, 1978. the well was taken out of service.The site Is now Included In Group 10 of the June, 1986 National PrioritiesList. In June of 1985, Camp Dresser ft McKee, Inc. (COM) was requested toperform Phase I of a Remedial Investigation/Feasibility Study (RI/FS) forthe Katonah Well. Results of that study Indicate that contamination In theKatonah Well cannot be clearly linked to any of the three local drycleaners, as previously anticipated. Phase I further concluded thatcontamination In the Katonah Well Is most likely frm a localized source;I.e. from wastes located on the peninsula where the well Is located.Historic records Indicate that the Katonah Well Is probably a large (30feet depth, 10-12 feet diameter) Infiltration gallery. Gravel-packedchannels, referred to as "radials", may exist at approximately 25 feetdepth. However, the contruction materials, configuration and dimensions ofthe well and the radials cannot be confirmed. In order to best locateproposed monitoring wells and borings during Phase II. the exact locationof the radials must be defined. An underwater investigation of the wellwill provide so»e of the needed Information and will be conducted to:

o Confirm the existence of radials or infiltration channelextensions at the well as observed from inside the veil.

o Determine the exact location, length, angle of placement (fromthe horizontal) fr« the well, and the construction materialof each radial or extension.

o Determine the construction material (frm grade to bottom).depth, and condition of the well.

o Determine the existence and depth of slltation that may haveoccured In the well and/or radials.

o Determine the construction, configuration, and materials ofany pimping devices or auxiliaries present within the well orunder the cement cap.

o Determine the depth to water Inside the well.

o Collect samples of the well water, sediment, and sedimentporewater.

STATEMENT OF WORK

1.0 SCOPE OF WORK

The work to be performed under this section Includes the furnish-ing of all labor, materials, equipment, and other facilities andIncidentals necessary to conduct a full Investigation (includingsampling) of the Katonah Municipal Well, In the Town of Bedford InWestchester County, NY.Work to be performed at the site shall Include: A full Investiga-tion by diver, Including sampling, photographs or videos, anddetermination of the dimensions, materials, and configuration ofthe Katonah Municipal Well and any existing radials or extensionsfrom the well to satisfy the objectives below:o Confirm the existence of radials or infiltration channel

extensions at the well.o Determine the exact location, length, angle of placement

(from the horizontal) from the well, and the constructionmaterial of each radial or extension.

o Determine the construction material (from grade tobottom), depth, and condition of the well.

o Determine the existence and depth of slltatlon that mayhave occured 1n the well and/or radials.

o Determine the construction, configuration, and materialsof any pumping devices or auxiliaries present within thewell or under the ctment cap.

o Determine the depth to water inside the well.o Collect samples of the well water, sediment and port

water.These specifications are Intended to give a general description ofthe work required, but they do not cover all variations that mayoccur during the actual work. The specifications are Intended tocover the successful completion of the work specified, whetherevery detail Is specifically mentioned or not.The potential Purveyor must be prepared to remove and dewater 1200cubic feet of silt from the well bottom if it Is determined thatthe presense of silt Is impeding the successful completion of theabove two tasks. It will also be the Purveyors responsibility todewater this silt and return any draining water to the KatonahWell. COM will dispose of the remaining silt.

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2.0 NOTIFICATION

A. The potential Purveyor shall supply a proposed work schedule to

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the Contractor 1n writing, Including the following:Confirmation that the Purveyor can satisfy the beginningand ending dates of the proposed work (Jan. 19-23. 1987).The names and qualifications of any personnel who will beInvolved In the work.Proof of OSHA commercial diving certification andInsurance.

• Confirmation that OSHA commercial diving regulations (CFR1910.401-441) can be met.

The Purveyor 1s required to submit a list of, at minimum, fiverecent references of clients for whom they have performed worksimilar to that described herein.COM shall be notified by the Purveyor 24 hours prior to the startof any activities.No work shall be performed by the Purveyor without completing thenotification requirements specified above.Access to the site and waste disposal of any siltwell will be provided by CON.

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3.0 QUALIFICATIONS

The Purveyor responsible for executing the work shall be a registeredand licensed professional diving service and Insured for work In theState of New York and be able to satisfy OSHA regulations as stated InCFR 1910.401-441.

4.0 SITE RESTORATIONThe Purveyor shall be responsible for preserving, protecting, andpreventing damage to all public and private property. Any damage topublic or private property resulting directly or Indirectly fro» any ofthe Purveyor's operations shall be restored, at their own expense, to acondition similar or equal to that which existed before the damage wasdone. The restoration shall be done In a manner acceptable to COM.

5.0 PRODUCTS

The Purveyor shall provide to COM an abbreviated list of conclusionsdrawn regarding the Katonah Hell and radial extensions Immediatelyfollowing the Investigation (within 2 days) and a comprehensive writtenreport sunmarlzlng findings of the Investigation within 1 weekfollowing the Investigation. This report shall smmarlte all findingsof materials, well or radial configuration or dimensions and any otherobservations made regarding the Katonah Municipal Well and anylaterals, radials, or Infiltration galleries or canals that may existat the well.

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The report should Include a map and/or dlagram(s) drawn to scale whichIncludes but Is not limited to locations of laterals, radials.Infiltration galleries, or canals, depth of water and scdtaent.location of pimps and auxiliaries and the location of any extensions.attachments, or Irregularities In the well wall or bottoa.

6.0 EXECUTION

An Investigation of the Katonah Municipal Well will be conducted to thesatisfaction of COM which Includes the following:A. Investigation of the well Interior Including determination of the

well depth, diameter, depth-to-water, construction Materials,depth of sediment, and full description of any and all pimpingand/or distribution equipment found beneath the cement capcovering the well.

8. A full Investigation Into the existence of any radials. drainagegalleries, chambers, or aberrations In the well wall construction.Including descriptions of materials and directional orientation,length. If possible, and any other relevant Information. At leastone diver will be available to COM for a total of 6 hours ofunderwater time to provide those products listed above and to beaccessible to COM should further Issues or questions arise.

C. Removal, 1f necessary, of any sediment found in the well thatinhibits or Impedes satisfaction of the above requirements.

7.0 HEALTH AND SAFETY

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(170/8)

Organlcs, including PCE, have been detected at the Katonah Hell.Because the municipal well-water violated New York State Ktstandards, the well was taken out of service In 1978. Therefore,divers going into the Katonah Hell must be protected for dermal,ingestlon, Inhalation, and congestive exposure to levels of *p to150 ppb of PCE. Therefore, Modified Level B protection. Includingfull dermal, thermal, and respiration protection, such as fulldry-suit with SCUBA* will be worn by divers in the Katonah Hell.Level 0 protection, which Includes coveralls, boots, and gloves.will be required for workers not entering the well.

Access to the well will be through an existing 24-Inch portalthrough the cement cap over the well. The Purveyor shall supplyany health and safety tow-lines, air-lines, or other cqulpBent.manpower, or procedures necessary to provide full health andsafety protection consistent with the most current OSMA and otherapplicable requirements to all workers entering the well.

The Purveyor shall ensure the safety of it's employees at alltimes and comply according to the nature of the work to beperformed.

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HEALTH AND SAFETY PLAN SIGNATURE FORMREM II Health and Safety Program

INSTRUCTIONS; S'te personnel are required to receive a copy of the fma! site Healthand Safety Plan (HSP). and to read, understand and ag'ee to the provisions of theplan The Sue Manager is responsible to distribute the HSP to personnel as they areassigned to the site Personnel are required to Sign this form indicating agreement. Theoriginal of this form is maintained by the Site Manager, and becomes part of the pe»-manem site protect files upon completion of site work Copies ol this form are to besent to the Regional Health and Safety Supervisor (RHSS) and the Health and SafetyManager (HSMj updated copies of this form are sent to the RHSS and HSM as add*tionai personnel are assigned to the site

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SITE NAME / NUMBER.

REGION / LOCATION.

SITE HEALTH AND SAFETY PLAN DOCUMENT NUMBER.

I have received a copy, read understood and agreed to comply with the provisions olthe aboê referenced site Health and Safety Plan lor work activities on ttvs site

PRINTED NAME SIGNATURE DATE

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ATTACHMENT "B"

STATEMENT OF WORKFOR

GEOPHYSICAL SURVEY INVESTIGATION

ATKATONAH MUNICIPAL WELL SITE

INTOWN OF BEDFORD

WESTCHESTER CO., NY

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CAMP DRESSER « McKEE.,INC.January 7. 1987

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INTRODUCTION

On November 20, 1978 low levels of halogenated organlcs (specifically,perchloroethylene) were discovered 1n tap samples at the Katonah MunicipalWell In Katonah Village In Westchester County. New York. On December 14,1978, the well was taken out of service. The site 1s now Included In Group10 of the June, 1986 National Priorities List. In June of 1985, CampDresser 4 McKee, Inc. (COM) was requested to perform Phase I of a RemedialInvestigation/Feasibility Study for the Katonah Well. Results of thatstudy Indicate that contamination 1n the Katonah Well cannot be clearlylinked to any of the three local dry cleaners, as previously anticipated.Phase I further concluded that contamination 1n the Katonah Well 1s mostlikely from a localized source; I.e. from wastes dumped on the peninsulawhere the well Is located.

Historic records Indicate that the Katonah Well Is apparently a Urge (35*depth, 10" diameter) Infiltration gallery. Gravel-packed channels,referred to as "radials" In this report, may exist at a depth of approxi-mately 25 feet. The "radial" construction Is reported to be simple dugtrenches backfilled with boulders of unknown size and composition. They•re reported to be "trap rock* filled and covered with soil backfill.However, the construction materials, configuration and dimensions of thewell and the radials cannot be confirmed.

During Phase I a believed subterranean ridge along the railroad tracks eastof Katonah was encountered as a result of borings and monitoring wellInstallations. The ridge rises 10 to 50 feet above and parallel to abedrock depression which underlies the Village of Katonah to the west. Theridge width 1s probably less than 400 feet. The existence of this ridgeneeds to be confl rmed.

In order to best locate the proposed monitoring w»11s and borings duringPhase II, the exact location of the radials as well as the subterraneanridge must be defined. In order to attain the Information required, ageophysical survey will be conducted to:

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Confirm the existence of radlals at the well and determine theexact location, length, size, depth and angle of placement(from the horizontal) from the well.

Confirm the existence of a subterranean ridge east of Katonahby determining the depth to bedrock below Jay Street and alongthe road parallel to the municipal well. An additional lineparallel to, and south of Jay Street will be Investigated alsofor the depth to bedrock as shown 1n the attached site «ap.

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STATEMENT OF WORK

1.0 SCOPE OF WORK

A. The work to be performed under this section Includes the furnishingof all labor, materials, equipment, and other facilities andIncidentals necessary to perform a full geophysical Investigation(as described) surrounding the Katonah Municipal Nell, 1n the Towof Bedford In Vestchester County, NY.

Work to be performed at the site shall use whatever technique(s) 1sdeemed reasonable by the purveyor to attain the followingobjectives.

I. Confirm the existence of radlals, or Infiltration channelextensions, at the well and determine the exact location,length, depth, and angle of placement (from the horizontal)from the well.

II. Confirm the existence of • subterranean ridge east of Katonahby determining the depth to bedrock below Jay Street and alongthe road aside the municipal well. An additional line parallelto and south of Jay Street will be Investigated also for thedepth to bedrock as shown In the attached site map.

6. These specifications are Intended to give general descriptions ofthe work required, but they do not cover all variations that mayoccur during the actual work. The specifications are Intended tocover the successful completion of the work specified, whetherevery detail Is specifically mentioned or not.

C. The potential purveyor must be prepared to complete the describedwork under existing site conditions described and witnessed duringthe on-slte meeting held January 6, 1967. Although not required,the meeting was requested to point out site conditions that mayInterfere with or affect the performance of the described wort.

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Should work be hindered by existing site conditions, COM will notaccept responsibility for the potential purveyor being uninformedor misinformed.

2.0 NOTIFICATION

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A. The potential purveyor shall supply a proposed work schedule to theContractor 1n writing. Including the following:

• Confirmation that the Purveyor can satisfy the beginning andending dates of the proposed work (Jan. 19-23, 1987).

• The names and qualifications of any personnel who will beInvolved 1n the work*

• Proof of professional certification to conduct such businessand Insurance coverage.

B. The Purveyor 1s required to submit a list of a minimum of fiverecent references of clients for whom they have performed worksimilar to that described herein.

C. COM shall be notified by the Purveyor 24 hours prior to the startof any activities.

0. No work shall be performed by the Purveyor without completing thenotification requirements specified above.

I. Access to the site will be provided by COM.

3.0 QUALIFICATIONS

A. The Purveyor responsible for executing the work shall be certifiedto perform Geophysical Surveys and Insured for work In the State ofNew York and be able to satisfy OSHA regulations as stated In CFR1910.401-441.

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4.0 SITE RESTORATION

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The Purveyor shall be responsible for preserving, protecting, andpreventing damage to all public and private property. Any damageto private or public property resulting directly or Indirectly fro*any of the purveyors operations shall be restored, at their ownexpense, to a condition similar or equal to that which existedbefore the damage was done. The restoration should be done In •manner acceptable to the contractor.

5.0 PRODUCTS

Report of Geophysical Survey Investigation

The purveyor shall provide to the Contractor an abbreviated verballist of conclusions drawn regarding the Katonah Hell radlals andthe subterranean ridge Immediately following the investigation(within 7 calendar days). A written report summarizing findings ofthe Investigation will be submitted within two weeks of completionof the field work. This report shall summarize all findings ofmaterials, configuration and any other observations made, regarding1) the Katonah Municipal Well laterals, radlals, infiltrationgalleries or canals that exist connected to the well, as well as 2)the subterranean ridge, valley, trough or any geologic featureencountered.

The report should include a map and/or dlagram(s) drawn to scalewhich Includes but is not limited to:

1. locations of laterals, radlals, infiltration galleries, orcanals and the location of any extensions, attachments, orirregularities 1n the well collection system.

2. Contour map of subterranean ridge or any other encounteredgeologic features with an estimate of the ridge width or widthof encountered features (s).

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6.0 EXECUTION

A geophysical survey Investigation surrounding and near the KatonahMunicipal Well will be conducted to the satisfaction of COM whichIncludes the following:

A. Geophysical survey of the subsurface soils surrounding the KatonahMunicipal Well to determine the existence of Infiltration radial s,laterals, channels, chambers, or any other feature connected to theMunicipal Well for the purpose of collecting water. The surveywill Indicate the angle of direction from the well, depth, length,and approximate width of the above named features.

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B. Geophysical survey of the subsurface geologic features to Identifythe existence of a subterranean ridge running north-south existingon the eastern edge of Katonah below the Railroad tracks. Thesurvey will Indicate the continuity and the width of the Mdge aswell as all other subsurface geologic features.

The Contractor has not and 1s not Indicating which geophysicalsurvey method Is to be used. The determination will be made by thepurveyor under the assumption that the determined method(s) willprovide the greatest accuracy allowed within the available siteconditions. The determined choice will also provide forcost- e f feet 1 venes s .

7.0 HEALTH AND SAFETY

The purveyor shall ensure the safety of his/her employees at all timesand comply to the nature of the work to be performed. The KatonahMunicipal Well site Is a Level 0 site for all non-Intrusive activitiessuch as the Geophysics Investigation. Workers shall protect themselvesfrem the appropriate weather hazards and all other work relateddangers.

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HEALTH AND SAFETY PLAN SIGNATURE FORMREM tl Health and Safely Program

INSTRUCTIONS: S<te personnel are required to reie-ve a copy of tne t«a* Meand Safety Pian (HSP). and to read, unde?stano •"d »9'«* to ihe p<ova<ons tf *«plan The S'te Manager is responsible to d>s:ribjte the HSP to personnel as 0wy •«assigned to the site Personnel are required to s<gn this form indicating agreement Tteongmai of this form is maintained by the Sue Manager, and becomes pan of the per-manent sue p'oject files upon completion of sue *ork Cop<es of th<s form are to besem to the Rej>onai Health and Sa'eiy Supervisor (RHSS) and the Heann and Sa>*y

(H$MI Updated copies of this lorm are tent to the RHSS ana HSV. as ao*-1 personnel are assigned to the site

SITE NAME / NUMBER.

REGION / LOCATION.

SITE HEALTH AND SAFETY PLAN DOCUMENT NUMBER.

I have received a copy, read understood and ag*etd to comply with the fxov«ons o>the above re'e-e^cec! site Health and Safety Plan for work actnM«s on ths sue

PRINTED NAME SIGNATURE DATE

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PERFORMANCE OF REMEDIAL RESPONSE ACTIVITIES AT