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{ <br /> r <br /> Ceologica`Technics Inc. <br /> 2741 River Road <br /> Modesto,California 95351 <br /> (209)538-6424/Fax#538-5852. <br /> L. <br /> j REPORT <br /> Limited Soil Investigation <br /> Golden State Smog'Check <br /> 408 California Street <br /> Stockton, California95202 <br /> Project No. 947.2. <br /> December 7, 2001 <br /> EXECUTIVE SUMMARY <br /> Golden State SmogCheck and a car detail shop are currently located at 408 California <br /> p Y <br /> Street, Stockton, California (see Figure 1). The purpose of this investigation is to determine <br /> if gasoline and/or diesel has been released from underground fuel storage systems at the <br /> site. <br /> On November 21, 2001, V&W Drilling (C57# 720904) installed two GeoProbe soil borings <br /> at the site. Geological Technics Inc. personnel were on site to collect soil samples, log the <br /> boreholes and supervise the borehole drilling activities. <br /> The borings were drilled to a depth of approximately"26 feet below ground surface (bgs) in <br /> the area of the former underground fuel storage tanks/fuel dispenser island. Groundwater <br /> was not encountered. Two soil samples from each'<borehole were collected and sent to <br /> Sherwood Labs Corporation, Hilmar, CA(State Certified Laboratory#1400). for analysis. <br /> t <br /> Conclusions <br /> Field and laboratory evidence indicated that a release of petroleum hydrocarbons has <br /> probably not occurred and no further investigation is necessary. <br /> L' <br /> 1.0 INTRODUCTION <br /> i <br /> There is evidence of former underground storage tanks present at the site (vent piping on <br /> j the east wall and a dispenser island). In addition to the physical data, the San Joaquin <br /> assessor's records indicate the existence of two 2000, one 1000, and one 5000 gallon <br /> underground storage tanks. The locations of the former tanks are not known or if <br /> i underground storage tanks remain on the site. <br /> The Subject Property (hereafter referred to as the Property) covers approximately 0.23 acres <br /> 1 and is located at the northeast corner of N California and E Lindsay Streets, Stockton, <br />