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i <br /> Chevron Products -4- May 4, 2009 <br /> Claim No. CP0034 <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br /> Contaminant Soil m /k ESLs Water (ug/L WQOs <br /> Maximum Latest Shallow industrial 2 Maximum Latest (ug/L) <br /> Soil' (Nov 08) <br /> Residential . Dermal <br /> mg/kg (mg/kg) <br /> TPH- NA NA 83 450 400,000 18,000 5 <br /> TPH-d NA NA 83 450 NA NA 56 <br /> Benzene NA NA 0.044 0.27 7,300 1,600 0.15 <br /> Toluene NA NA 2.9 210 3,900 99 42 <br /> Ethyl enzene NA NA 2.3 5.0 9,900 620 29 <br /> Xylenes NA NA 2.3 100 62,000 1,100 17 <br /> -MTBE NA. r NA _ 0.023 65 _ .46,000 6,300 5 <br /> TBA NA NA 0.075 320,000 1,100 11,000 12 <br /> 1,2-DCA NA NA 0.0045 0.48 2.5 <5 0.4 <br /> Lead NA NA 200 750 NA NA 15 <br /> PCE NA NA0.37 0.95 NA NA 0.06 <br /> TCE NA NA 0.46 4.1 NA 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,Commercial Use, Direct Exposure, <br /> Worker <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: none identified <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: unknown volume <br /> California En vironmental Protection Agency <br /> ZV Recycled Pape, <br />