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' I <br /> Manna 'Pro Corp. -4- -{August 16, 2010 <br /> Claim No. 678 <br /> VII. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site'Descriptiow"former retail gasoline station <br /> :n7 , <br /> B. Site History: the extent of groun6vater contamination is defined C. Groundwater Monitoring Summary:..strong monitoring history <br /> D. Remediation Summary: soil vapor extraction and,air,sparging-- <br /> E.,Contaminant Exposure Pathway Evaluation:,-.failed human health risk <br /> assessment _ <br /> F. Recommendation: <br /> In March 2008, the Fund recommends that the San Joaquin County LOP direct <br /> the. Responsible Party to assess the effectiveness of the current treatment <br /> systems and evaluate the need for additional air sparging.locations near MW-1 to <br /> achieve Water Quality Objectives more rapidly. The Fund will review this site <br /> next year to track progress. <br /> UPDATED; March 2009, by letter on 16 June 2008; San Joaquin County LOP <br /> staff stated they intended to direct the Responsible Party to re-evaluate the <br /> treatment system and the potential for air sparging near MW-1. No such <br /> directive has been referenced in Geotracker. The Fund continues to believe the <br /> treatment system should be re=evaluated and upgraded or altered to achieve <br /> Water Quality Objectives in a-timely manner. The Fund will review this site next <br /> year to track progress. <br /> UPDATED, August 2010, the Fund concurs with the San Joaquin County LOP. <br /> that active,remediation continue to achieve'Water Quality Objectives in a timely <br /> manner. The Fund will review this site_next year to track progress. <br /> Kirk arson, 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 /> c . <br /> Y <br /> Califorula Ei.ivirouwental Pr�tgc' oil Agency <br /> Cl <br /> �.r}Recycled Paper <br />