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�I <br /> Beneto Inc. -4- June 19 , 2008 <br /> Claim No . 1036 <br /> D . Groundwater Trends : <br /> Benzene trends are shown below <br /> Claim 1036 <br /> 30000 <br /> 25000 <br /> 20000 <br /> c 15000 -+- M W-1 <br /> - - - _ -- - <br /> v -wa MW-5 <br /> 10000 <br /> d <br /> m 5000 <br /> 0 <br /> M M VV' UA to (0 O r r <br /> O O O O O O O O O O <br /> Time <br /> VII . SENSITIVE RECEPTOR SURVEY: one well identified within 1/2 mile of the site <br /> VIII . COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site Description : active retail gasoline station <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 <br /> E . Contaminant Exposure Pathway Evaluation : unknown <br /> F . Recommendation : The Fund concurs with the San Joaquin County LOP that <br /> the Responsible Party should assess remedial technologies and to begin active <br /> remediation to achieve Water Quality Objectives in a timely manner. The Fund <br /> will review this site next year to track progress . <br /> Kir�on , 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 /> California En vironmen tai Protection Agency <br /> Q* Recycled Paper <br />