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Van De Pol Enterprises( -3- MMarch 'I4, 2008 <br /> Claim No. 757 <br /> a <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRA T IONS u <br /> Contaminant Soil fm�s `J—)__ PRGs _ _ `'.`ja'Ler u IL WQOs <br /> Maximum Latest Residentbal Industrial } Maximum Latest (ug/L) <br /> m !k ms /ka? _ _ _ Dec 07 <br /> TPH-g NA NA NA NA i 4?'J:ut�O 3,300 _ 5 <br /> TPH-d NA NA NA NA NA NA 49 <br /> Benzene NA NA 0.64 1.4 24,000 16 0.15 <br /> Toluene NA NA 520 520 19,000 10 42 <br /> Eth (benzene NA NA 400 400 4.400 26 29 <br /> Xylenes NA NA 270 420 21.Cr00 68 17 <br /> MTBE NA NA 32 70 16(7 <1 5 <br /> ti TBA NA NA NA NA 81 <10 12 <br /> 1,2-DCA NA NA NA NA _ 71 <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. Soil Excavation: unknown volume <br /> B.. In-Situ Soil Remediation: air sparging and soil vapor recovery since.Apr 00, " <br /> intermittent <br /> x 4, <br /> CRIMOY'nia En vironmeats!Protection Agency <br /> Co Aecyded Paper <br />