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Woolsey Oil `...� -3- . May 12, 2008 <br /> a Claim No. 14328 <br /> C. Groundwater Trends: <br /> • MTBE trends are shown below: <br /> Claim 14328 <br /> 1800 - <br /> 1600 - <br /> 1400 - <br /> 1200 -- <br /> 1000 <br /> 8001600140012001000 <br /> m 800 — -3 <br /> 600 <br /> 400 <br /> 200 <br /> 0 <br /> 00 03 Off` Off` O� O� OHO OHO 01 01 <br /> Few 1< <br /> Time <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: 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: none identified <br /> E. Contaminant Exposure Pathway Evaluation: unknown <br /> F. Recommendation: The San Joaquin County LOP has directed the Responsible <br /> Party to assess remedial technologies including an insitu-chemical oxidation pilot <br /> test. The Fund concurs with the need to assess remedial technologies at this <br /> site. The Fund.will review this site next year to track progress. <br /> -7/� v3 �'Z Cly <br /> KA 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 /> CalilorniaE.vvironmenlalPi-olecliolr agency <br /> �.p�RecycledPaper , <br />