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BP Pr d -3- Aril 21 2008 <br /> cts <br /> o u p <br /> Claim No. 2413 <br /> WQO Water Quality Objectives <br /> V. FREE PRODUCT: none identified <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: 1,400 cubic yards of contaminated soil has been excavated. <br /> B. In-Situ Soil Remediation: none identified <br /> C. Groundwater Remediation: <br /> • METHOD 1: batch extraction <br /> •- DURATION: unknown - ' - <br /> • METHOD 2: ozone sparging <br /> • DURATION: Dec 03 through present <br /> D. Groundwater Trends: <br /> TBA.trends.ares hown.beIow <br /> Claim,2413 <br /> 200000 <br /> 150000 <br /> . -MM-3 <br /> a 100000 _ <br /> m <br /> 50000 <br /> 0 <br /> 0 0 0 0 0 0 0 0 0 0' <br /> - 1 1 1 I 1 1 I 1 I <br /> C 5 c 5 c 5 c 5 c 5 <br /> � . . <br /> CU <br /> Time <br /> VII. SENSITIVE'RECEPTOR SURVEY:. no wells identified within Y2 mile of the.site. <br /> Vlll. COMMENTS AND JUSTIFICATION FOR'RECOMMENDED ACTION <br /> A. Site Description: active retail gasoline station <br /> B. Site History: the extent of.groundwater contamination is defined <br /> C. Groundwater Monitoring Summary: strong monitoring history <br /> D. Remediation Summary: ozone sparging and batch extraction's <br /> E. Contaminant Exposure Pathway Evaluation: unknown <br /> California Environmental Protection Agency <br /> 101 Recycled Paper , <br />