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Mary Sanchez -3- March 21, 2008 <br /> i <br /> - Claim No. 1026 <br /> A. Soil Excavation: approximately 1,000"cubic yards of contaminated soil was <br /> excavated in Feb 03 ` <br /> B. In-Situ Soil Remediation: none identified <br /> C. Groundwater Remediation: <br /> • METHOD: groundwater extraction <br /> DURATION: 2003 through present <br /> D. Groundwater Trends: <br /> .Benzene trends are shown below: <br /> Claim 1026 <br /> 2500 <br /> 1 2000 <br /> ' I <br /> 1500 - <br /> S <br /> N <br /> 1000 - <br /> 500 - <br /> 0 <br /> 000 5000 <br /> Ln Ln LD to CD CD r-- <br /> C) <br /> O OO O O O P O O O O O 0 O O <br /> O O O C3 O O O O O O O 0 O O O <br /> N N Q N N N Q Q Q N N N N N CV <br /> O O r O O r O <br /> M E ["] - <br /> r U7 0) s- C1) 4M U) (D Ln a U i <br /> Time <br /> VII. SENSITIVE RECEPTOR SURVEY: no wells identified within mile of the site <br /> Vill. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site Description: former auto repair facility <br /> B. Site History: the extent of groundwater contamination is defined. An MTBE <br /> groundwater plume from Country Club Food and Fuel has migrated northwesterly <br /> onto the Sanchez Property. <br /> C. Groundwater Monitoring Summary- strong monitoring history <br /> D. Remediation Summary: groundwater extraction <br /> E. Contaminant Exposure Pathway Evaluation: unknown <br /> California.En vironmental Protection Agency <br /> P„a Recycled Paper <br />