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In <br /> I,: <br /> W-W.IRWIN,INC. ENVIRONMENTAL•CONSTRUCTION•MAINTENANCE <br /> CALIFORNIA LICENSE NO.252163 <br /> September 3, 1993 <br /> Mr. Dwight Davis � ��� Ale <br /> Pegasus Group <br /> 1840 San Miguel Drive, Ste. 100 <br /> Walnut Creek, CA .94596 <br /> RE: INTERIM SITE ASSESSMENT REPORT <br /> Village West Marina, 6649 Embarcadero Drive, Stockton, CA <br /> W.W. Irwin Project 033016.00 <br /> Dear Mr. Davis: <br /> The assessment work discussed herein was conducted in accordance with the Environmental <br /> Assessment Work Plan dated October 6, 1992, prepared by W.W. Irwin and approved by the <br /> Environmental Health Division of the San Joaquin County Public Health Services <br /> (SJCPHS). This Interim Site Assessment Report includes the analytical results of soil <br /> samples collActed July 20, 1993, from the overexcavation of the former tank pit located at <br /> { = � Village West Marina, Stockton, California. The excavation was conducted in order to <br /> remove soils impacted by petroleum hydrocarbon fuel products identified during the removal <br /> of three underground storage tanks on April 21, 1992. Additionally, within this report, is <br /> the analytical laboratory data of a composite soil sample collected from the soil stockpile <br /> generated during the tank removal activities. <br /> SITE SETTING <br /> The property is located at 6649 Embarcadero Drive in Stockton, San Joaquin County, <br /> California and is situated ori the delta levee of the section of the San Joaquin River called <br /> Fourteen Mile Slough (see Figure 1). The Site includes a restaurant and an operational <br /> marina which dispenses file" to boats. The adjacent properties consist of other commercial <br /> hLlsinesses and residences. <br /> GEOLOGIC AND IIYDROGEOLOGIC. SETTING <br /> The Site is locate-0 on sloping, uneven terrain within the delta region of the San Joaquin <br /> River on Follrteen Mile Slough. The slough lies at an elevation below the former tank <br /> cr,?dle and approximately 35 feet to the north. <br /> The lithology encountered during the excavation of the Mink pit consisted of black peat to <br /> approximately 20 feet below ground surface (bgs). This layer was underlain by clay. Based <br /> on previously accomplished work in the area, the clay layer is estimates) to be approximately <br /> (209) 725-2085 • (800) 585-2085 <br /> (209) 383-3404 FAX <br /> 335 GROGAN AVENUE, SUITE A • MERCED, CALIFORNIA 95340 <br />