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i <br /> Jess CervantesQ -3- May 7, 2009 <br /> Claim No. 8509 <br /> A. Soil Excavation: unknown volume <br /> B. In-Situ Soil Remediation: none identified ' <br /> i <br /> C. Groundwater Remediation: <br /> METHOD: ozone sparging ; <br /> DURATION: Dec 04through present <br /> D. Groundwater Trends: <br /> + Benzene trends are shown below <br /> _ <br /> 2500 l -- –--- 28 <br /> 30 <br /> 2000 -% 32 - I <br /> m <br /> W 1500 34 <br /> m j - 36 <br /> 1000 38 <br /> 500 <br /> �. !s 40 <br /> �i <br /> " I 1 <br /> 4 <br /> 42 <br /> I 11 <br /> 4— BENZENE Trmw Depth to Water <br /> i <br /> VII. SENSITIVE RECEPTOR SURVEY: one well identified within Y 2 mile of the site <br /> VIII. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> _ice....., •,:.. -.h .. _ �� <br /> A. Site Description: former•truck terminal' - <br /> B. Site History: the extentofgroundwater contamination is defined <br /> C. Groundwater Moritori I,g Summary'. strong monitoring history <br /> D. Remediation Summary,: ozone sparging <br /> 1 <br /> E. Contaminant Expos ure�E' Pathway Evaluation: health hazard risk assessment is <br /> underway <br /> F. Recommendation: <br /> f <br /> In May 2008, the Fund made the following recommendation: Based on,the <br /> following criteria, the Fund recommends this site be considered for closure <br /> providing the potential for soil vapor migration is assessed and determined safe <br /> for prescribed site activities, public participation and fee title notifications are <br /> conducted, and the monitoring wells are appropriately abandoned. <br /> E. <br /> x California Environmental Protection Agency <br /> Reey1kd Pgper <br />