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Harry's Auto Mart -3- May 4, 2009 <br /> Claim No. 15094 <br /> A. Soil Excavation: unknown volume <br /> B. In-Situ Soil/ Groundwater Remediation: <br /> • METHOD: soil vapor extraction and air sparging <br /> • DURATION: startup delayed <br /> C. Groundwater Trends: <br /> • Benzene trends are shown below: <br /> BENZENE Results for tVIW1 <br /> 18000 <br /> 16000 <br /> 43 <br /> 14000 s <br /> p 1 2 <br /> 12000 — _ 48 <br /> 10000 , r °' <br /> �. <br /> o: .6000 <br /> _ 58 <br /> 4000 <br /> r <br /> '2000:, 63 <br /> 0 71 <br /> 168 <br /> d „ <br /> ,BENZENE Qepth'to Water ' +' <br /> VII. SENSITIVE RECEPTOR SURVEY: no wells identified within Y2 mile of the site <br /> VIII. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site Description: retail gasoline station <br /> B. Site History: the extent of groundwater contamination is defined j <br /> C: Groundwater Monitoring Summary: strong monitoring history <br /> D. Remediation Summary: none identified <br /> E. Contaminant Exposure Pathway Evaluation: unknown <br /> F. Recommendation: <br /> In May 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 to 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 /> P.a Recycled Paper <br />