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Walter Shockley -4- August 10, 2010 <br /> Claim No. 9384 <br /> TOTAL PETROLEUM HYDROCARBONS(TPH)AS DIESEL FUEL.(TPHD)Results for MW6 <br /> . 40000 <br /> 35060 - <br /> 30000 — -- — — - <br /> 25.000 <br /> C5 r - <br /> 20000 — --- <br /> i- <br /> a <br /> 100005001D­-4' —a <br /> .c`e <br /> a-� TOTAL PETROLEUM HYDROCARBONS(TPH)AS DIESEL FUEL(TPHD) <br /> VII. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site Description: former trucking company <br /> B. Site History: the extent of groundwater contamination is defined <br /> C. Groundwater Monitoring Summary: strong monitoring history <br /> D. Remediation Summary: ozone sparging, soil vapor extraction is proposed <br /> E. Contaminant Exposure Pathway Evaluation: unknown <br /> F. -Recommendation: <br /> June 2008, free product is likely present in the vicinity of MW-1 and-MW-4. The <br /> Fund recommends that the San Joaquin County LOP direct the Responsible <br /> Party to assess remedial techniques that will identify remaining sources of free <br /> -phase petraieum--and--recover it to the extent feasible. The Fund will review this <br /> site next year to track progress. <br /> UPDATED, June 2009, the Responsible Party has proposed several remedial <br /> technologies to achieve Water Quality Objectives. The Fund recommends that a <br /> remedial plan be selected and active remediation should begin without delay. <br /> The Fund will review this site next year to track progress. <br /> California Environmental Protecdon Agency <br /> II\ J- <br />