TABLE 1-1 ENVIRONMENTAL SCREENING LEVELS AND CLEANUP/ACTION LEVELS FOR PETROLEUM CONSTITUENTS. Groundwater

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1 TABLE 1-1 ENVIRONMENTAL SCREENING LEVELS AND CLEANUP/ACTION LEVELS FOR PETROLEUM CONSTITUENTS Page 1 of 1 Constituent ESLs - Shallow Soils ( 3 m bgs) IS a Current or Potential Source of Drinking ESLs - Deep Soils ( > 3 m bgs) IS a Current or Potential Source of Drinking Screening Criteria ESLs - Shallow Soils ( 3 m bgs) IS NOT a Current or Potential Source of Drinking ESLs - Deep Soils ( > 3 m bgs) IS NOT a Current or Potential Source of Drinking Cleanup/Action Levels RSLs (Region 9 PRGs) Soil (mg/kg) Benzene Toluene ,000 Ethylbenzene Xylenes ,600 MTBE , , Naphthalene TPH-p a TPH-e 2, , , , ,500 a Lead b Notes: ESLs are taken from Tables A through D of the Interim Final Screening for Environmental Concerns at Sites with Contaminated Soil and ( Board 2008). Region 9 PRGs have been harmonized with similar risk-based screening levels used by Regions 3 and 6 into a single table: Regional Screening Levels (RSL) for Chemical Contaminants at Superfund Sites (EPA 2008). a Since there is not an RSL value for TPH, values of 500 and 2,500 mg/kg were selected using the gross contaminant level ESL for nuisance at industrial/commercial sites (Table H-2, Board 2008). b Criteria based on total lead for soil and dissolved lead for groundwater. Abbreviations and Acronyms: μg/l micrograms per liter mg/kg milligrams per kilogram TPH-e total extractable petroluem hydrocarbons m bgs meters below ground surface MTBE methyl tertiary-butyl ether TPH-p total purgeable petroluem hydrocarbons EPA U.S. Environmental Protection Agency PRG Preliminary Remediation Goal less than or equal to ESL environmental screening level RSL Regional Screening Level > greater than ECSD DrWrkPln_Table 1-1.xlsTable 1-1

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3 TABLE 1-2 Page 1 of 1 KEY PROJECT CONTACTS Agency Contact Project Title BRAC PMO West Mr. Darren Newton BRAC Environmental Coordinator 1455 Frazee Road, Suite 900 (619) San Diego, CA BRAC PMO West Mr. Wilson Doctor RPM 1455 Frazee Road, Suite 900 (619) San Diego, CA NAVFAC SW ROICC SFBA (Moffett Site Office) Gary Munekawa, PE Project Engineer and NTR/ROICC P.O. Box 68, Building 107 (650) NAVFAC SW ROICC SFBA (Moffett Site Office) Mr. David Smith Construction Management P.O. Box 68, Building 107 (650) Technician and NTR/ROICC Board, San Francisco Bay Region Elizabeth K. Wells, PE Board RPM 1515 Clay Street, Suite 1400 (510) Oakland, CA Mr. Bryce Bartelma Project Manager/Environmental 1230 Columbia Street, Suite 750 (619) Safety Supervisor (650) (cellular) Larry Dudus, PG Technical Lead 1230 Columbia Street, Suite 750 (619) (619) (cellular) Mr. Duane Harrison PQCM/Site Superintendent North of Bldg. 45, Cummins Ave. (650) (650) (cellular) Mr. Diego Almanza Geoscientist 1230 Columbia Street, Suite 750 (619) (cellular) Roger Margotto, CIH, PESM 1230 Columbia Street, Suite 750 CSP, CHMM (619) Mr. Greg Joyce QC Program Manager 1230 Columbia Street, Suite 750 (619) (360) (cellular) Abbreviations and Acronyms: BRAC Base Realignment and Closure CIH Certified Hygienist CHMM Certified Hazardous Materials Manager CSP Certified Safety Professional NAVFAC SW Naval Facilities Engineering Command, Southwest NTR Navy Technical Representative PE Professional Engineer PG Professional Geologist PESM Program Environmental Health and Safety Manager PMO Program Management Office PQCM Project Quality Control Manager QC Quality Control ROICC Resident Officer in Charge of Construction RPM Remedial Project Manager SFBA San Francisco Bay Area Tetra Tech EC, Inc. Board Regional Quality Control Board ECSD PrDrWrkPln_Table 1-2.xlsTable 1-3

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5 ECSD PrDrWrkPln_Table 1-2.xlsTable 1-3 blank Work Plan for Additional Fuel System Components at Building 29 DCN: ECSD CTO No. 0018