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GeoStrateg ie5 <br /> SUBSURFACE INVESTIGATION REPORT <br /> BP Oil Facility 11191 <br /> 1469 East Hammer Lane <br /> Stockton, California <br /> Report No. 4300 701-2 <br /> INTRODUCTION <br /> At the request of BP Oil Company (BP), GeoStrategies/Gettler-Ryan Inc (GSI) has <br /> prepared this Subsurface Investigation Report, which describes work performed by GS1 at <br /> the subject site during the first quarter 1995 The scope of work described in this report <br />. includes drilling of three soil borings and analysis of selected soil samples for petroleum <br /> hydrocarbons The scope of work described in this report was originally presented in GS1 <br /> Report No 4300 701-1, Work Plan For Subsurface Investigation, dated November 10, <br /> 1994 The purpose of this work is to investigate the extent of a hydrocarbon release in <br /> soil located in the vicinity of the northwest product dispenser island <br /> The scope of work described in this report is intended to comply with the State of <br /> California Water Resources Control Board's Leaking Underground Fuel Tanks (LUFT) <br /> Manual, the Regional Water Quality Control Board (RWQCB) Tri-Regional Board Staff <br /> Reconimendations for Piehininary Investigation and Evaluation of Underground Tank Sites, <br /> and San Joaquin County Environmental Health Department (SJCEHD) guidelines GSI <br /> Field Methods and Procedures are attached in Appendix A <br /> SITE DESCRIPTION <br /> The subject site is located on the northwest corner of the intersection of Hammer Lane and <br /> West Lane in Stockton, California, as shown on the Vicinity Map (Figure 1). The site is <br /> situated in an area of flat topography at an elevation of approximately 20 feet above mean <br /> sea level (MSL) Mosher Creek is Iocated approximately 0 5 miles north of the site <br /> The site is currently occupied by an operating service station Site facilities consist of a <br /> mini-mart store and sales office, three product dispenser islands, and an underground <br /> 4300701-2 <br /> I <br /> 3035 Prospect Park Drive, Suite 110 a Rancho Cordova, CA 95670 (916) 631-1314 a Fax (916) 631-1317 <br /> A ')ITSION CF GE i 1 LL73 M"AN ING { <br />