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Q»airteirly Deport - Mairch 1998 <br /> CHEROKEE 'TRUCK S'L'OP <br /> 3535 East Cherokee Road, Stockton, California <br /> 1.0. INTRODUCTION <br /> In accordance with the request of Mr Ellis Cecchini of Cecchim, Cecchini and Giovannoni, <br /> Advanced GeoEnvironmental, Inc (AGE)has prepared this report for fieldwork performed at 3535 <br /> East Cherokee Road, Stockton, California, during the first quarter of 1998 Five ground water <br /> morutonng wells were purged and sampled on I 1 March 1998 The excavation was backfilled and <br /> the stockpiled soil was disposed on 16 March 1998 <br /> Field work was performed in accordance with San Joaquin County Public Health Services - <br /> Environmental Health Division (PHS-EHD) and Central Valley Regional Water Quality Control <br /> Board (CVRWQCB) guidelines for the investigation of underground storage tank (UST) sites <br /> 20, BACKGROUND <br /> 21 SITE LOCATION <br /> The site is located in a commercial area of low topographic relief in the eastern portion of Stockton, <br /> California, adjacent to Highway 99 (Figure 1) The property was formerly utilized as a truck fueling <br /> station A truck repair facility is located north of the site A domestic well is located approximately <br /> J200 feet northwest of the fueling island Structures, momtonng well and domestic well locations are <br /> illustrated on Figure 2 - Site Plan Former dispenser island, UST and piping locations are illustrated <br /> on Figure 3 - UST/Dispenser Area Plan <br /> Three 500-gallon waste oil tanks were removed from the site prior to 1990 Details of the waste oil <br /> UST removals were not available to AGE <br /> Unauthorized releases of hydrocarbons were reported from fuel piping at the site on three occasions <br /> in 1988 and 1989 The PHS-EHD subsequently required investigation of the extent of impacted soil <br /> and ground water <br /> 2 2IT <br /> S E ASSESSMENT <br /> In May 1990, thirteen soil borings were advanced near the UST, piping and dispenser areas at the <br /> site to assess the lateral and vertical extent of impacted soil Hydrocarbon odor was noted in soil <br /> samples collected in 12 of the 13 borings Petroleum hydrocarbons were found to extend to a depth <br /> of approximately 50 feet below surface grade (bsg) near the fueling island location <br /> I <br /> Advanced GeoEnvironmental,Inc <br />