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Den's Auto Repair -3- March 24, 2009 <br /> Claim No. 10841 <br /> A. Soil Excavation: unknown volume ry <br /> B. In-Situ Soil/ Groundwater Remediation: 'San Joaquin County LOP approved <br /> an ozone injection feasibility study. <br /> C. Groundwater Trends: <br /> • : MTBE and Benzene trends are shown below: ;. <br /> Fte'sults for VV2A < <br /> 9000 <br /> 8000 HF 21` <br /> 700D '' <br /> 6000 <br /> .:.:3000 qT <br /> 29k. <br /> ik•'�.Fn'i,�.. „j. 7 . <br /> ; <br /> 000.1. <br /> Yin <br /> t ;1 '4 i F ;pati' `y�. t 1 r4 'F '4• .. <br /> i01ETHYL=TELT BUTYLiETliER(MTBE) �ENZEN'E Mr:DeptWt6:water. <br /> VII. SENSITIVE RECEPTOR SURVEY: four wells identified within 1/2 mile of the site <br /> VIII. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site Description: former retail gasoline station <br /> B. Site History: the extent of groundwater contamination is largely defined <br /> C. Groundwater Monitoring Summary: strong monitoring history <br /> D. Remediation Summary: San Joaquin County LOP approved an ozone injection <br /> feasibility study. <br /> D. Contaminant Exposure Pathway Evaluation: unknown - <br /> E. Recommendation: <br /> In April 2008, the Fund made the following recommendation:. The Fund <br /> recommends that the San Joaquin County LOP direct the Responsible Party to <br /> assess remedial technologies and implement active remediation that will achieve <br /> Water Quality Objectives in a timely manner. The Fund will review this site next <br /> year to track progress. <br /> California Environmental Protection Agency <br /> ;,a Recycled Paper <br />