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fiMarch 3, 2009 <br /> Center Street Parts -3- <br /> Claim No. 4423 <br /> B. In-Situ Soil Remediation: <br /> METHOD: soil vapor extraction <br /> • DURATION: Nov 03 through Nov 05 <br /> C. Groundwater Remediation: <br /> • METHOD: air sparging <br /> VII. S; DURATION: . Nov 03 through Nov 05 <br /> VII. SENSITIVE RECEPTOR SURVEY: no wells identified within Y2 mile of the site <br /> VIII. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site Description: former bakery, parts store <br /> B. Site History: the extent of groundwater contamination is defined <br /> C. Groundwater Monitoring Summary: strong monitoring history <br /> D. Remediation Summary: soil vapor extraction and air sparging <br /> E. Contaminant Exposure Pathway Evaluation: unknown <br /> F. Recommendation: <br /> In March 2008, the Fund made the following recommendation: The San Joaquin <br /> County LOP approved a work plan for additional assessment in Feb 2008. The <br /> Fund concurs with the additional investigation and will review this site next year <br /> to track progress. <br /> UPDATED, March 2009: The Fund recommends that the San Joaquin County <br /> LOP direct the Responsible Party to restart the remediation system and to <br /> consider a more aggressive technology to achieve Water Quality Objectives in <br /> the source area more rapidly. The Fund will review this site next year to track <br /> progress. <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 /> CaUforata EnvkvameaW Protection Agency <br /> Recycled Paper <br />