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SECOR <br /> Irrterna[ionaiiiicoiporcated <br /> March 23, 1998 <br /> Project 7G888-010-01 <br /> Mr, Harlan Knoll <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue <br /> Stockton, California 95202 <br /> Re: Work Plan for Soil Sampling During Dispenser Upgrades <br /> Circle K Service Station 48671 <br /> 8606 Thornton Road <br /> Stockton, California <br /> Dear Mr. Knoll : <br /> On behalf of Tosco Marketing Company (Tosco), SECOR International Incorporated <br /> (SECOR) will be performing environmental services associated with dispenser upgrades <br /> at the above referenced site (Figure 1 ). A Tosco approved contractor will be responsible <br /> for all construction activities associated dispenser upgrade activities. Construction <br /> activities are tentatively scheduled to begin on April 6, 1998 . The purpose of this Work <br /> Plan is to notify the San Joaquin County Environmental Health Department (SJCEHD) <br /> of the upcoming dispenser upgrade activities and briefly discuss the sampling <br /> procedures to be followed. <br /> SITE BACKGROUND <br /> The site is located at 8606 Thornton Road in Stockton, California. The site is an <br /> operating Circle K service station and mini-mart that retails gasoline fuel . The site <br /> currently contains three gasoline USTs and associated product lines and dispensers. <br /> PROPOSED SCOPE OF WORK <br /> Dispensers at the site are scheduled to be upgraded by a Tosco approved contractor <br /> during April 1998 . Soil compliance samples will be collected from below each <br /> dispenser per the Tri Regional Board Staff Recommendations for Preliminary <br /> Evaluation and Investigation of Underground Tank Sites. Field and laboratory <br /> procedures are included as Attachment A. <br /> Our objectives in performing the scope of work are: <br /> it <br /> 1 . To upgrade the dispensers to meet the 1998 UST standards. <br /> 3050 Fite (Iirde. Smile 204. 5aci nnroNn. (-. t 95827 ! 9161 )6¢ 188019161 64-1889 FA .A www.sec-nr, crrnr <br />