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3017 Kilgore Road,Suite 100 <br /> Rancho Cordova,CA 95670 <br /> 916-661-0400 .o, <br /> 916-661-0430 FM <br /> December 13, 2004 <br /> Mr. Michaellnfurna <br /> San Joaquin County Environmental Health Division <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, California 95201 DEC 1 4 2004 <br /> RE: Executive Summary t PE NMEN I HEAL[H <br /> Former Chevron Service Station 9-4054 <br /> VICES <br /> 2103 Country Club Drive <br /> Stockton, California <br /> SECOR Project No.: 77CH.94054. 01.0330 <br /> Dear Mr. Infurna: <br /> SECOR International Incorporated (SECOR), on behalf of Chevron Environmental <br /> Management Company (Chevron), presents this Executive Summary for the Revised <br /> Corrective Action Plan (CAP) dated July 14, 2004, in response to a letter from the San <br /> Joaquin County Environmental Health Division (County). The County has requested, <br /> pursuant to California Underground Storage Tank (UST) Regulations, a non-technical <br /> summary of the CAP to advise the public prior to corrective actions. This CAP mandates <br /> that impacted soil be removed around the former USTs at the site. A limited excavation <br /> will remove impacted soil between approximately 9 and 23 feet below ground surface <br /> (bgs), up to a volume of approximately 2,000 cubic yards. The excavation process will <br /> last approximately 21 days. Throughout the process, a photo ionization detector (PID) <br /> will be utilized to continuously monitor the perimeter of the site for organic vapors. <br /> SECOR will install a protective barrier around the perimeter of the site to ensure public <br /> safety. Additionally, a vapor suppression and dust control system will be in place to <br /> avoid nuisance emmissions. <br /> If you have any questions or comments regarding the contents of this letter, please feel <br /> free to contact David Evans of SECOR at (916) 861-0400 extension 234 or Bob Cochran <br /> of Chevron at (925) 842-9655. <br /> Sincerely, <br /> SECOR International Incorporated <br /> J (an Jacks6p' 75— David M. Evans <br /> Staff Geologist Project Manager <br /> I:\Chevron\94054\Correspondence\Executive Summaryl.doc <br />