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� � J • j <br /> San Joaquin County DIRECTOR <br /> PO N Donna Heran, REHS <br /> Environmental Health Department ASSISTANT DIRECTOR <br /> 600 East Main Street Laurie Cotulla,RENS <br /> y �mII1y , X Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> -r-a' - Mike Huggins, RENS, RDI <br /> r Margaret Lagorio,REHS <br /> c4C%FOR�`P Website: wwwsjgov.org/ehd Robert McClellon,REHS <br /> Phone: (209) 468-3420 Jeff Carruesco,REHS,RDI <br /> Fax: (209)464.0138 Kasey Foley, REHS <br /> May 29, 2009 <br /> T�Z.bq <br /> Mr. Jerry Castro <br /> Pacific Car Wash <br /> 4405 Pacific Ave. <br /> Stockton, CA 95207 <br /> Subject: Pacific Car Wash RO#: 0392 <br /> 4405 Pacific Avenue APN: 110-240-14 <br /> Stockton, CA 95207 Global ID#: T0607700499 <br /> In correspondence dated February 18, 2009, the San Joaquin County Environmental Health <br /> Department (EHD) incorrectly stated that the site had a newly installed remediation system. <br /> Only a portion of the underground piping has been installed. <br /> A pilot test for soil vapor extraction (SVE) was conducted in October 2007 and it was <br /> recommended in the Soil Vapor Extraction Pilot Test Report dated November 2007 that SVE <br /> could be a feasible remedial I alternative for reducing the petroleum contamination present in the <br /> soil beneath the site. The EHD concurs that SVE appears to be a viable remedial alternative for <br /> the soil. <br /> The EHD also reviewed Ground Water Aquifer Pumping Test Report dated February 12, 2007 <br /> and concurs with conclusion that ground water extraction, treatment, and disposal to the City of <br /> Stockton sewer system could be a feasible remedial alternative for reducing the petroleum <br /> contamination present in theground water beneath the site. <br /> The EHD concurs that a Corrective Action Plan (CAP) should be submitted. The Cap is to <br /> include a cost-effective evaluation of at least two feasible remedial alternatives for restoring the <br /> beneficial use of the ground water. Please include details for additional remediation well <br /> installations and vapor extraction unit specifications in the CAP, as well as an updated Site <br /> Conceptual Model <br /> In the correspondence dated February 18, 2009, the EHD approved a reduction of quarterly <br /> sampling and informed you of the requirement to submit a quarterly report on the status and <br /> time schedule for work at the site. The report submitted to Geotracker for the First Quarter 2009 <br /> did not include a time schedule for implementing future investigative/remedial actions. Please <br /> ensure that future quarterly reports provide dates of future actions proposed for the site. <br />