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.. y <br /> ARE <br /> GeoStrategies Inc. <br /> Y I <br /> August 12, 1994 <br /> Ms. Michelle Nokes, Vice President <br /> Winner Ford <br /> 1650 Park Street <br /> Alameda, California 94501 <br /> Subject: Work Plan for Subsurface Investigation at the former <br /> Discovery Chevrolet, 1615 11th Street, Tracy, California <br /> Ms. Nokes: <br /> At your request, GeoStrategies Inc. (GSI) has prepared this Work Plan for the <br /> installation of three groundwater monitoring wells at the above referenced site (Figure <br /> 1 ). This Work Plan was prepared to satisfy the request from San Joaquin County <br /> Environmental Health Department (SJCEHD) to investigate petroleum hydrocarbon <br /> impact to soil and potential impact to groundwater beneath the site. Locations of the <br /> proposed groundwater monitoring wells are shown on the Site Plan (Figure 2). <br /> The scope of work described in this Work Plan is intended to comply with the State <br /> of California Water Quality Control Board's Leaking Underground Fuel Tank (LOFT) <br /> Manual, The Regional Water Quality Control Board (RWQCB) Tri-Regional, Board Staff <br /> Recommendations for Preliminary investigation and Evaluation of Underground Tank <br /> sites, and SJCEHD guidelines. GSI's Field Methods and Procedures are presented in <br /> Attachment A. A site-specific safety plan has been prepared, and is presented in <br /> Attachment B. <br /> SITE DESCRIPTION <br /> The subject site is located adjacent to the Southern Pacific Railroad tracks west of the <br /> intersection of Lincoln Boulevard and West Eleventh Street in Tracy, California. The <br /> site vicinity is relatively flat, and is situated at approximately 45 feet above mean sea <br /> level (MSL). The Lower Main Canal is located approximately 0.2 miles south of the <br /> site. <br /> Discovery Chevrolet formerly occupied the site. Two gasoline underground storage <br /> tank (USTs) were located in a common excavation east of the Shop Building, and one <br /> waste oil UST was located west of the Shop Building (Figure 2). Currently, the site <br /> is occupied by Tracy Chevrolet. <br /> 6747 Sierra Court, Suite. G• Dublin,CA 94568•(510)551-8777• Fax (510)551-7888 <br /> 3035 Prospect Park Drive, Suite 80• Rancho Cordova,CA 95670• (916) 631-1314-Fax(916)631-1317 , .� <br />