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t <br /> Helen Higgins -3- April 30, 2009 <br /> ' Claim No. 11775 <br /> IV. MAXIMUM DOCUMENTED CONTAMINAN CONCENTRATIONS . <br /> Contaminant Soil m /k ESLs Water (ug/L WQOs <br /> Maximum Latest Shallow 2 Maximum Latest (ug/L) <br /> Soil' Industrial (Dec 08) <br /> Residential Dermal <br /> m 1k (mglkg) <br /> TPH-2 NA NA 83 450 1,410 520 5 <br /> TPH-d NA NA 83 450 NA NA 56 <br /> Benzene NA NA 0.044 0.27 39 2 0.1.5 <br /> Toluene NA NA 2.9 210 6 <0.5 42 <br /> Eth (benzene NA NA 2.3 5.0 11 <0.5 29 <br /> Xylenes NA NA 2.3 100 18 1.2 17 <br /> MTBE NA NA 0.023 65 0.73 <0.5 5' <br /> TBA NA NA 0.075 320,000 NA <20 12 <br /> 1,2-DCA NA NA 0.0045 0,48 57 19 0.4 <br /> Lead NA NA 200 750 NA NA 15 <br /> PCE NA NA 0.37 0.95 1 3.6 0.74 0.06 <br /> TCE NA NA 0.46 4.1 1 27 <5 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 /> WOO 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 /> B. In-Situ Soil/ groundwater Remediation: none identified <br /> California Environmental roteetion Agency <br /> Za Recycled Pa er <br />