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I <br /> Equilon Enterprises `"'� -3- February 22, 2010 <br /> Claim No. 4954 <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br /> Contaminant• ", Soil m /k ;: Water u /L 1NQOs, <br /> Maximum Latest. Maximum Latest (ug/L) <br /> - - - . . <br /> TPH79 NA NA FP 4,700 5 <br /> TPH-d NA NA FP NA 56 <br /> Benzene NA NA FP 59 0.15 <br /> Toluene NA NA FP 5.7 42 <br /> Eth (benzene NA NA FP 3.2 29 <br /> Xylenes NA NA FP 16 17 <br /> MTBE NA NA FP 180 5 <br /> TBA NA NA FP 330 12 <br /> 1,2-DCA _ _NA—- NA_,_— --FP--- _ __69 <br /> Lead NA NA FP . NA 15 <br /> PCE NA NA NA NA 0.06 <br /> TCE NA NA NA NA 0.8 <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-2 contained up to 0.37' of free-product(Jul 92), MW-4 <br /> - contained up to 0.18' of free product (Jul 92), MW-land MW-3 contained free product. <br /> IN Apr 90 a product;skimmer was installed in.MW-2 and later in MW-7. -- 74'.:) <br /> ` - <br /> , <br /> VI. SOIL'AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: unknown volume <br /> , <br /> B. In-Situ Soil Remediation: <br /> • METHOD: soil vapor extraction <br /> • DURATION: Sep 92 through Nov 96 <br /> • MASS REMOVED: 14,900 pounds of TPH-G <br /> C. Groundwater Remediation: none identified <br /> • I <br /> I <br /> California Environmental Protection Agency <br /> P.a Recycled Paper <br />