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SECOR f ) <br /> INTERNATIONA_ 3017 Kilgore Road Suite 100 <br /> R I`1 C O 1?PD V'1 D3 Rancho Cordova CA 95670 <br /> 916-861-0400 TEL <br /> 916-861-0430 FAX <br /> J <br /> JUIy31, 2003 AJC 200W <br /> AL <br /> County of San Joaquin <br /> Environmental Health Department <br /> 304 East Weber Avenue, 3rd floor <br /> Stockton, CA 95202 <br /> RE Fuel Line Upgrade Soil Sampling Report <br /> 7-Eleven Store Number 14117 <br /> 2725 Country Club Blvd <br /> Stockton, California <br /> SECOR Project No 77EL 14117 43 0520 <br /> Dear Ms Foley <br /> SECOR International Incorporated (SECOR) has prepared this letter on behalf of 7-Eleven, Inc (7- <br /> Eleven) to document the soil sample results obtained during the fuel line upgrade activities <br /> conducted at 7-Eleven Location No 14117 located at 2725 Country Club Boulevard in Stockton, <br /> California (Figure 1) This work was conducted in accordance with the requirements of the San <br /> Joaquin County, Environmental Health Department (SJCEHD) The soil sample collection was <br /> performed by SECOR Glacier Construction (Glacier) was subcontracted by 7-Eleven to complete <br /> the fuel line upgrade activities <br /> I <br /> INTRODUCTION <br /> The purpose of SECOR's project involvement was the collection of soil samples to assess <br /> subsurface conditions beneath the former dispenser islands Specifically, SECOR's scope of work <br /> consisted of the following tasks <br /> • Preparation of a site-specific Health and Safety Plan, <br /> • Collection of soil samples beneath the dispenser islands at the direction of the SJCEHD <br /> specialist, <br /> • Laboratory analysis of soil samples collected from soil stockpiles and beneath the <br /> dispensers, <br /> • Coordination of sod disposal from the site, and <br /> • Preparation of this report documenting the line upgrade and soil sampling activities <br /> SITE BACKGROUND <br /> On July 17, 1998, three 10,000-gallon single-walled underground storage tanks (USTs) were <br /> removed from the site The UST excavation was extended to the east, and two new 10,000-gallon <br /> double-walled steel USTs were installed The new tanks were installed in a tank pit located east of <br /> the original UST locations One ten-inch diameter Schedule 40 PVC conductor casing was installed <br /> in the new UST pit between the new tanks for future installation of well MW-2 <br /> 17-Elevenl7-11 SloreM141171Line Upgrade114117 Fuel Line Upgrade Report doc SECOR international Incorporated <br />