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C40109iUI Technics l/u. Page 4 <br /> j A + City of Escalon(Escalon) <br /> Project No.: 1114.2 <br /> September 29,2003 <br /> 1. Well Survey <br /> r In August 2002, GTI performed a sensitive receptor survey for the nearby Former Arco Gas j <br /> Mini-Mart Site located at 1305 Escalon Avenue. The survey encompassed a 2000-foot <br /> radius around that site located 600 feet north of the EZ Gas Mini-Mart site. This work is <br /> j reported in the Well Receptor Survey Report — November 14, 2000 (attached in Appendix <br /> B). <br /> The survey found the following: <br /> L ❑ City,of Escalon Municipal Water supply services the area around the'site, which is <br /> bound on all sides by light commercial and business uses. <br /> L ❑ Two municipal wells (Escalon City Wells) were documented. <br /> u Escalon High School staff indicated that an irrigation well is present on the school <br /> property, but the domestic water use of the school is provided by municipal water <br /> L' supply for Escalon. <br /> ❑ Two DWR well logs are included for Fisk Ave. The addresses of these residences' <br /> could not be confirmed, however all of the residences in the area are serviced by City of <br /> Escalon municipal water supply. If these two wells still exist, they are probably not <br /> used for drinking water purposes. <br /> 2. Site Maps <br /> Multiple maps have been created during the investigative history of the site. The following <br /> maps are included as Figures in this report: <br /> • Figure 1: Vicinity Map—Shows the site location and nearby streets <br /> • Figure 2: Site Map (Kleinfelder 1997) — Shows former layout of the EZ Gas Mini- <br /> LMart, tank and dispenser locations and the positions of soil borings (B-13, B-14, B-15, <br /> EZ 2-1, EZ 2-2 and EZ 2-3) <br /> • Figure 3: Site Map (Wright July 1998) — Shows tank, stockpile and soil sample <br /> locations for work performed on July 23 and 24, 1998 <br /> • Figure 4: Site Map (Wright August 1998) Shows additional work performed by <br /> Wright on August 21, 1998 . <br /> • Figure 5: Site Map (Wright August 1998) — Shows additional work performed by <br /> Wright on August 26, 1998 <br /> L • Figure 6: Site Map (Wright November 1998) — Shows locations of samples collected <br /> during the investigation of piping associated with the facility <br /> • Figure 7: Site Map (Wright December 1998) — Shows the locations of new stockpiled <br /> soil and soil boring samples (RS-1, RS-2 and RS-3) <br /> Rk <br /> 6 <br /> L <br />