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•Ranch Market _4_ • May 5, 2011 <br /> Claim No. 15211 <br /> VII. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site Description: former retail gasoline station <br /> B. Site History: the extent of groundwater contamination is defined <br /> C. Groundwater Monitoring Summary: strong monitoring history, no data since <br /> 2008 <br /> D. Remediation Summary: soil vapor extraction and ozone sparging <br /> E. Contaminant Exposure Pathway Evaluation: unknown <br /> F. Recommendation: <br /> In May 2008, the Fund recommends that the San Joaquin County LOP direct the <br /> Responsible Party terminate soil vapor extraction and monitor for a full hydrologic <br /> cycle. The Fund will review this site next year to track progress. <br /> UPDATED, May 2009, the Fund recommends that the San Joaquin County LOP <br /> consider reviewing this site for closure. <br /> UPDATED, May 2010, the Fund concurs with the San Joaquin County LOP that <br /> groundwater monitoring must resume and that the MIP report must be submitted <br /> before this site can be considered for closure. The Fund will review this site next <br /> year to track progress. <br /> UPDATED, May 2011, the Fund recommends that the San Joaquin County LOP <br /> require through enforcement action that the Responsible Party conduct <br /> groundwater sampling to assess water quality. <br /> t��-v7— e <br /> Kirk Larson, P.G. Date Robert Trommer, C.H.G. ate <br /> Engineering Geologist Senior Engineering Geologist <br /> Technical Review Unit Chief, Technical Review Unit <br /> (916) 341-5663 (916) 341-5684 <br /> California Environmental Protection Agency <br /> P.a Recycled Paper <br />