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Shell #204-7525-0104 3_ <br /> Claim No. 5017 August 16, 2010 <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: 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 /> i <br /> BENZENE Results for VEW-2 <br /> 12000 <br /> 10000 ._. <br /> 8000 <br /> " 6000 <br /> 4000 <br /> ��'y}_ { <br /> 2000 <br /> BENZENE ] <br /> California Environmental Protection Agency <br /> A <br /> eCl RecydedPaper <br />