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Chevron Products -4- May 21, 2008 <br /> a <br /> Claim No. CP0034 <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br /> Contaminant Soil m /k PRGs Water (ug/L WQOs <br /> Maximum .Latest Residential Industrial Maximum Latest (ug/L) <br /> . m /k (mg/kg) Nov 07 <br /> TPH-g NA NA NA NA 400,000 1,000 5 <br /> TPH-d NA NA NA NA NA NA 49 <br /> Benzene NA NA 0.64 1.4 ' . 7,300 9.6 0.15 <br /> Toluene NA NA 520 520 3,900 <0.5 42 <br /> Eth (benzene NA NA 400 400 9,900 10 29 <br /> Xylenes NA NA. 270 420 62,000 3.3 17 <br /> MTBE NA NA 32 70 46,000 86 5 <br /> TBA NA NA NA NA 1,100 1,100 12 <br /> 1,2-DCA NA NA NA NA 2.5 <0.5 0.5 <br /> Lead NA NA 400 800 NA NA 15 <br /> PCE NA NA 17 130 NA NA 0.06 <br /> TCE NA NA 0.11 110 NA NA 0.8 <br /> PRGs USEPA Region 9 Preliminary Remediation Goals <br /> MCL Maximum Contaminant Levels <br /> AL Action Level <br /> NA Not Analyzed, Not Applicable,or Data Not Available <br /> WQO Water Quality Objectives <br /> V. FREE PRODUCT: none identified <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. SoiF:Excavation: unknown volume <br /> California Environmental Protection Agency <br /> �..r�Recycled Pape, <br />