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Advanced <br />GeoEnvironmental, Inc. <br />23 April 2003 <br />AGE -NC Project No. 03-1024 <br />Mr. Steven Shih <br />San Joaquin County Environmental Health Department <br />304 East Weber Avenue <br />Stockton, CA 95202 <br />Subject: Fuel Dispenser and Piping System Upgrade Soil Samplius l— <br />KWIK SERVE -TRACY �`�' <br />950 West 11'' Street, Tracy, California APR 2 8 2003 <br />Dear Mr. Shih: <br />�NVIRUNMENT HEALTH <br />PER,�'IIT/SERVICES <br />At your request, Advanced GeoEnvironmental, Inc. (AGE) has prepared this report documenting soil <br />sampling at 950 West 11`'' Street, Tracy, California. <br />FUEL DISPENSER AND PIPING SYSTEM UPGRADE <br />An AGE representative was present on 11 April 2003 for portions of the upgrade process of <br />dispensers and associated piping of the fuel system at the site. Mr. Steven Shih of San Joaquin <br />County Environmental Health Department was also present on site to witness sampling locations and <br />procedures. <br />SOIL SAMPLE COLLECTION <br />Four soil samples (DSP -1 through DSP -4) were collected from native soil approximately 4feet below <br />each dispenser. Two soil samples (TR -6 and TR -7) were collected from native soil beneath each <br />product line at a depth of approximately 3 feet. Additionally, three soil samples (STK-8 through <br />STK-10) were collected from the excavated soil stockpiles. <br />Dispenser and piping samples were collected utilizing a metric soil sampler and clean, 2 -inch by 6 - <br />inch brass sleeves. Stockpile soil samples were hand packed into brass sleeves. <br />Upon collection, the ends of each brass sleeve were covered with Teflon sheets, capped and sealed <br />with tape. The samples were labeled, placed in a chilled container and transported under chain -of - <br />837 Shaw Road, Stockton, California 95215 <br />Telephone (209) 467-1006 FAX (209) 467-1118 <br />