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KEY AND SELECT MANUAL FLUID - US EPA

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FENCE

KEY AND SELECT TRANSDUCER MONITORING WELLS FOR HIGH-GRADE WELL PROD_19

CHEVRON CINCINNATI FACILITYHOOVEN, OHIO

Checked By: Scale: Date:Drawn By: File:

www.trihydro.com

1252 Commerce DriveLaramie, Wyoming 82070

FIGURE 4-1

500KEY&SCTTRNWELLLOC8/21/071" = 650'DRREP

PROPERTY BOUNDARY

PRODUCTION WELL AND DESIGNATION

MONITORING WELL AND DESIGNATION

0 650'

STREAM

BUILDING, TANK OR OTHER STRUCTURE

KEY TRANSDUCER FLUID MONITORING WELL AND DESIGNATION

PROPOSED MONITORING WELL AND DESIGNATION

VAPOR MONITORING WELL AND DESIGNATION

SELECT TRANSDUCER FLUID MONITORING WELL AND DESIGNATION

THIS FIGURE ILLUSTRATES THE 2006 HIGH-GRADE SCENARIO IN WHICH PRODUCTION WELL PROD_19 WAS OPERATED AS THE HIGH-GRADE WELL. MONITORED WELLS WILL BE TAILORED IN ACCORDANCE WITH THE OMM PLAN TO CORRESPOND TO THE SELECTED HIGH-GRADE PRODUCTION WELL.

SELECT TRANSDUCER FLUID STREAM GAUGING STATION AND DESIGNATION

FENCE

KEY AND SELECT MANUAL FLUID MONITORING WELLS FOR

HIGH-GRADE WELL PROD_19

CHEVRON CINCINNATI FACILITYHOOVEN, OHIO

Checked By: Scale: Date:Drawn By: File:

www.trihydro.com

1252 Commerce DriveLaramie, Wyoming 82070

FIGURE 4-2

500KEY&SCT_WELLLOC12/3/071" = 650'DRREP

PROPERTY BOUNDARY

PRODUCTION WELL AND DESIGNATION

MONITORING WELL AND DESIGNATION

0 650'

STREAM

BUILDING, TANK OR OTHER STRUCTURE

VAPOR MONITORING WELL AND DESIGNATION

KEY MANUAL FLUID MONITORING WELL AND DESIGNATION

SELECT MANUAL FLUID MONITORING WELL AND DESIGNATION

THIS FIGURE ILLUSTRATES THE 2006 HIGH-GRADE SCENARIO IN WHICH PRODUCTION WELL PROD_19 WAS OPERATED AS THE HIGH-GRADE WELL. MONITORED WELLS WILL BE TAILORED IN ACCORDANCE WITH THE OMM PLAN TO CORRESPOND TO THE SELECTED HIGH-GRADE PRODUCTION WELL.

SELECT MANUAL FLUID RIVER GAUGING STATION AND DESIGNATION

PROPOSED MONITORING WELL AND DESIGNATION

Date:

Sampler:

HIGH-GRADE KEY WELLS

WELL TIME LAST WATER DEPTH WATER DEPTH LAST LNAPL

DEPTH LNAPL DEPTH

(ft) (ft) (ft) (ft)

Production Well*

MS-85S

MW-20S

MW-99S

MW-96S

MW-112

ADDITIONAL MONITORING FOR PRODUCTION WELL*

INSTANT. FLOW CUMULATIVE FLOW INSTANT. FLOW CUMULATIVE

FLOW(gpm) (gal) (gpm) (gal)

* Production well will vary depending on seasonal high-grade strategy.

FIGURE 4-3Key Well Fluid Level Log

FLUID LEVEL DATA - LNAPL THICKNESS AND GW ELEVATION

GROUNDWATER LNAPL

Date:

Sampler:

WELL TIME LAST WATER DEPTH WATER DEPTH LAST LNAPL

DEPTH LNAPL DEPTH

(ft) (ft) (ft) (ft)

Production Well*

MW-17

MW-44

RBGP-44

MW-88

MW-85S

MW-10

MW-4

MW-1D

MW-1R

MW-112

MW-20D

MW-20S

Production Well*

L-7

MW-62

MW-81S

MW-92S

MW-128

MW-93S

MW-101S

MW-94S

MW-114S

MW-37

MW-129

MW-100S

MW-99S

MW-96S

ADDITIONAL MONITORING FOR PRODUCTION WELL*

INSTANT. FLOW CUMULATIVE FLOW INSTANT. FLOW CUMULATIVE

FLOW(gpm) (gal) (gpm) (gal)

* Production well will vary depending on seasonal high-grade strategy. Key wells are noted in italics.

LNAPLGROUNDWATER

FLUID LEVEL DATA - LNAPL THICKNESS AND GW ELEVATION

FIGURE 4-4Select and Key Well Fluid Level Log

FENCE

GAC LAYOUT PLAN

CHEVRON CINCINNATI FACILITYHOOVEN, OHIO

Checked By: Scale: Date:Drawn By: File:

www.trihydro.com

1252 Commerce DriveLaramie, Wyoming 82070

FIGURE 5-1

500GACLAYOUT12/3/071" = 600'DRREP

PROPERTY BOUNDARY

PRODUCTION WELL AND DESIGNATION

0 600'

STREAM

BUILDING, TANK OR OTHER STRUCTURE

SOLID WASTE MANAGEMENT UNIT (SWMU)

GROUNDWATER SYSTEM

GRANULAR ACTIVATED CARBONGAC

HSVE LAYOUT PLAN

CHEVRON CINCINATI FACILITYHOOVEN, OHIO

Checked By: Scale: Date:Drawn By: File:

www.trihydro.com

1252 Commerce DriveLaramie, Wyoming 82070

FIGURE 6-1

500HSVE_MAP1/15/071" = 200'DRVLP

EXPLANATION

0 200'

HSVE PROJECTED RADIUS OF CAPTURE

HSVE LINES, DASHED WHERE SCREENED

VAPOR MONITORING WELL AND DESIGNATION

Date:

Sampler:

HSVE LINE TIME INSERTIONDEPTH

PITOT TUBE READING VACUUM FLOW CH4 CO2 O2 LEL

TOTAL ORGANIC

VAPOR(in) (in-H2O) (in-Hg) (scfm) (%) (%) (%) (%) (ppm)

1 (Central) 4.2 TBD

2 (Southern) 1.2 TBD

3 (Northern) 2.2 TBD

Combined NA NA NA

Notes:Combined flow rate as indicated on HSVE instrumentation panel; other flow rates calculated based on pitot tube and line pressure readings.

COMMENTS:

HSVE FIELD SCREENING LOG

FIGURE 6-2

Date:

Sampler:

HSVE LINE TIME INSERTIONDEPTH

PITOT TUBE READING VACUUM FLOW CH4 CO2 O2 LEL

TOTALORGANIC

VAPORSAMPLE ID CANISTER

NUMBERSTART

VACUUMFINAL

VACUUM

(in) (in-H2O) (in-Hg) (scfm) (%) (%) (%) (%) (ppm) (in-Hg) (in-Hg)

1 (Central) 4.2 TBD

2 (Southern) 1.2 TBD

3 (Northern) 2.2 TBD

ThermOx Influent NA NA NA

ThermOxEffluent NA NA NA

Notes:Combined flow rate as indicated on HSVE instrumentation panel; other flow rates calculated based on pitot tube and line pressure readings.

COMMENTS:

DATE SAMPLES SHIPPED TO LAB:

FIGURE 6-3

HSVE SAMPLE COLLECTION LOG

COC NUMBER:

FENCE

NESTED VAPOR MONITORING WELLS

CHEVRON CINCINNATI FACILITYHOOVEN, OHIO

Checked By: Scale: Date:Drawn By: File:

www.trihydro.com

1252 Commerce DriveLaramie, Wyoming 82070

FIGURE 7-1

500NESTVAPOR_WELLLOC8/21/071" = 650'DRREP

PROPERTY BOUNDARY

PRODUCTION WELL AND DESIGNATION

MONITORING WELL AND DESIGNATION

0 650'

STREAM

BUILDING, TANK OR OTHER STRUCTURE

NESTED VAPOR MONITORING WELL AND DESIGNATION

PROPOSED MONITORING WELL AND DESIGNATION

GULF PARK SITE MAP

GULF COMMUNITY PARKCLEVES, OHIO

Checked By: Scale: Date:Drawn By: File:

www.trihydro.com

1252 Commerce DriveLaramie, Wyoming 82070

FIGURE 8-1

500GP_SITEMAP_OMM8/22/071"=200'DRREP

EXPLANATION

0 200'

BUILDING OR STRUCTURE

EASEMENT/RIGHT-OF-WAY

ROADGENERAL TOPOGRAPHIC CONTOUR (FT-AMSL, INTERVAL: 2', DASHED WHERE INFERRED)

EXPANDED BIOVENTING SYSTEM PIPE RUN #3

EXPANDED BIOVENTING SYSTEM PIPE RUN #2

EXPANDED BIOVENTING SYSTEM PIPE RUN #1

SHALLOW GROUNDWATER MONITORING WELL AND DESIGNATION

EXPANSION BIOVENT WELL AND DESIGNATION

SOIL GAS MONITORING POINT AND DESIGNATION

EXPANSION SOIL GAS MONITORING POINT AND DESIGNATION

ANNUAL GULF PARK SAMPLING WELL AND DESIGNATION

BIOVENT WELL AND DESIGNATION

FEET ABOVE MEAN SEA LEVELFT-AMSL