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• • <br /> Shell #204-7525-0104 3_ <br /> Claim No. 5017 July 20, 2010 <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: <br /> • METHOD 1: dual phase extraction <br /> • DURATION: Apr 07 through present <br /> • MASS OF TPH-G REMOVED: 2,543 pounds (Feb 09) <br /> • RATE OF TPH-G REMOVED: 3.1 pounds/day (Feb 09) <br /> • METHOD 2: in-situ chemical oxidation is proposed <br /> C. Groundwater Trends: <br /> • Benzene trends are shown below, source area and down gradient, <br /> respectively. <br /> BENZENE Re <br /> sults for VEW 2 <br /> 12000 l0000j-----LL-- _ _ <br /> e000 - <br /> seen � <br /> 4000 <br /> 2000 <br /> oa14e Ile 'oe,p I f <br /> BENZENE. <br /> California En vironnnental Protection Agency <br />