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1 i <br /> -Stefano s­Gasoline -4- SEp#embdr-2; 2010 21 <br /> Claim No. 11515 <br /> VII. COMMENTS AND JUSTIFICATION FOR RECOMMENDED'ACTION'A <br /> A. Site Description: former retail gasoline station <br /> B. Site History: the extent of groundwater co -taminationis defined <br /> C. Groundwater Monitoring Summary: strong monitoring history -; <br /> D. Remediation Summary: soil vapor extraction and ozone sparging <br /> E. Contaminant Exposure Pathway,Evaluation soil vapor survey and human <br /> health risk assessment approved by�SJC LOP by letter on 1111012009. <br /> F. Recommendation: <br /> In May 2008, the San Joaquin County LOP has directed the Responsible Party to <br /> expand the ozone sparging system.. The Fund concurs with the expansion of the <br /> groundwater treatment system. The Fund will review this site next year to track <br /> progress. A <br /> UPDATED, September 2010, this site has been under investigation for 17 years. <br /> The Fund concurs with the San Joaquin County LOP that a soil vapor survey and <br /> Human Health Risk Assessment should be conducted. <br /> 4 <br /> Kirk Larson, P.G. Date " ' Robert Trommer, C.H.G. Date <br /> Technical,Review Unit Chief, Technical Review Unit <br /> (916) 341-5663 (916) 341-5684 <br /> w <br /> tl California Environmental Protection Agency <br /> P.r}Recycled Paper <br />