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E ` James Langston -3- February 25, 2010 <br /> Claim No. 367 <br /> I. <br /> B. In-Situ Soil/ Groundwater Remediation: <br /> •_ METHOD: oxygen.injection feasibility study ; <br /> k.. ' • DURATION: 'pending <br /> ti C. Groundwater Trends:.- <br /> • Benzene trends are shown below, source area <br /> BENZENE Results for DPE2 <br /> 350 <br /> i <br /> 300---- <br /> - <br /> 00 —_ <br /> :-.250 <br /> 200 <br /> � R <br /> 10 I <br /> 150 '77- <br /> too <br /> - 50 <br /> BENZENE7— Trend <br /> ^ VII. SENSITIVE RECEPTOR SURVEY:, no wells identified within Y� mile of the site <br /> VIII. 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-. v. ._- <br /> D. Remediation Summary: oxygen injection is pending <br /> E. Contaminant Exposure Pathway Evaluation: unknown <br /> F. Recommendation: <br /> In March 2008, the Fund made the following recommendation: The Fund <br /> recommends the Responsible Party implement active remediation without delay. <br /> The Fund will review this site next year to track progress. <br /> UPDATED, March 2009: By letter on 13 May 2008, the San Joaquin County <br /> LOP directed the Responsible Patrty to implement dual phase extraction. The <br /> Fund concurs and recommends that active remediation begin without <br /> unnecessary delay. The Fund will review this site next year to track progress. <br /> California Environmental Protection Agency <br /> Cd Recy kdF p, <br />