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Equilon Enterprises -3- <br /> Claim No. 6155 March 5, 2009 <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br /> Contaminant Soil m /k ESLs <br /> Maximum LatestWater u /L WQOs <br /> Shallow mum Latest <br /> Soil' Industrial2 Maxi <br /> Residential Dermal (Oct OS) <br /> TPH- m A <br /> NA <br /> TPH-d NA NA 83 450 FP 31,000 5 <br /> Benzene 83 450 FP 1,700 56 <br /> NA NA 0.044 0.27 FP 13,000 0.15 <br /> Toluene NA NA 2.9 210 <br /> Eth (benzene NA NA FP 2 00 42 <br /> 2.3 5.0 FP 2 <br /> X lenes NA NA 50 2g <br /> MTBE 2.3 1FP 230 17 <br /> NA NA 0.023 655 FP 280 <br /> TBA NA NA 0075 320,000 j p 5 <br /> . <br /> 1,2-DCA NA NA 0.0045 0.48 Fp 9 12 <br /> Lead NA NA 200 750 50 0.4 <br /> PCE NANA FP NA 15 <br /> 0.37 0.95 NA NA 0.06 <br /> TCE NA NA 0.46 NA <br /> 4.1 NA 0.8 <br /> 1 Environmental Screening Levels(ESLs)Shallow Soil<3m,Groundwater is source of Drinking Water. <br /> 2 ESLs,Shallow Soil Screening Levels,Groundwater not source of Drinking Water, <br /> Worker Commercial Use,Direct Exposure, <br /> NA Not Analyzed, Not Applicable,or Data Not Available <br /> WQO Water Quality Objectives <br /> FP Free phase product in site wells <br /> V. FREE PRODUCT: MW-1. Approximately 45 gallons of free product was removed <br /> from MW-1 from May 89 through Dec 89, <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: unknown volume <br /> B. In-Situ Soil Remediation: <br /> • METHOD: soil vapor extraction <br /> • DURATION: Aug 95 through Mar 96 <br /> • MASS REMOVED: 6,250 pounds of TPH-G <br /> C. Groundwater Remediation: none identified <br /> California Environmental Protection Agency <br /> �a R-YI dF pr <br />