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r, S ECOR 1.0 INTRODUCTION SECOR International Incorporated (SECOR), on behalf of Chevron Environmental Management -- Company (Chevron), has prepared this No Further Action Required (NFAR) request for former _ Chevron service station 9-5775, located at 301 West Kettleman Lane in Lodi, CA (Figure 1 and 2). This NFAR request has been prepared for the California Regional Water Quality Control Board — Central Valley Region (RWQCB) in accordance with the requirements of the TRI - Regional Board Staff Recommendations for Preliminary Investigations and Evaluation of t Underground Storage Tanks, April 16, 2004; and Cleanup and Abatement Order No. 5-00-704, -- dated April 20, 2000. As required by the NFAR guidelines, a "check -oft"' table of required information for NFAR status is included as Appendix A. This report presents SECOR's understanding of existing conditions at the subject site. The "*k conclusions contained herein are based on analytical results and professional judgment in accordance with current standards of professional practice; no other warranty is expressed or - implied. SECOR assumes no responsibility for data reported by other consultants or 177 contractors. w r„ A summary of the area's regional settings including climate, surface water hydrology, geology, hydrogeology, stratigraphy, and horizontal hydraulic gradient are presented in Section 3.0. - 2.0 SITE BACKGROUND 2.1 Current Site Conditions The site is a former Chevron branded service station located at 301 West Kettleman Lane, approximately 0.8 mile west of Highway 99 in Lodi, California. Former facilities included four g o service bays, three dispenser islands, one sales kiosk, three 10,000 -gallon gasoline underground storage tanks (USTs); one 1,000 -gallon used -oil UST, one 550 -gallon previously abandoned used -oil UST, and one hydraulic hoist. The site is bounded to the west by South i Lee Avenue, to the east by South Pleasant Avenue, to the south by Kettleman Lane, and residential areas are located to the north. 7 The property is owned by Ivern and Roger Saffoni of Lodi, California. The property is currently s 1 leased to Prime Shine Express. A Prime Shine Express car wash and auto lubricant center is currently operated at the site. The area surrounding the site is used and zoned for mixed { commercial and residential use. Figure 2 illustrates the layout of the site and pertinent site features. € The site topography is generally flat and level. Based on surveying information from well monuments at the site, the surface elevation of the site is approximately 43 ft above mean sea level (MSL). 95775 AFAR REPORT Final.doc 1 SECOR Intemational Incorporated