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_ I <br /> October 9, 1998 ENVIRONMENTAL <br /> Mr. Harland Knoll ENVIRONMENTAL HEALTH DIVISION <br /> 304 E. Weber Ave. Third Floor <br /> San Joaquin County Public Health Services R O. Box 388, Stockton CA 95201-0388 <br /> Environmental Health Division Approved <br /> 304 E. Weber Avenue, 3rd Floor Denied f <br /> Stockton, California 95202 Conditions S cam- a <br /> Date Mb �� `� by <br /> SUBJECT: WORKPLAN FOR ADDITIONAL SITE ASSESSMENT <br /> FORMM BRIDGESTONFJFIRESTONE FACILITY <br /> BFS PROPERTY NO. 127434 <br /> 400 N. ELDORADO STREET <br /> STOCKTON, CALIFORNIA , <br /> QST PROJECT NO. 64-98090 <br /> Dear Mr. Knoll: <br /> On the behalf of Bridgestone/Firestone Inc. (BFS), QST Environmental Inc. (QST) is pleased to <br /> submit this workplan for additional site assessment at the subject site. The objective of the <br /> additional site assessment is to determine the presence or absence of petroleum hydrocarbon i <br /> concentrations in the soil and groundwater. Background information and our proposed scope of t <br /> work are described in the following sections. <br /> SIM DESC=QN AND ERSTOR <br /> The former facility was located at the northeast comer of the intersection of North El Dorado <br /> Street and Lindsay Street in Stockton, California (Figure 1). The 4 Freeway is approximately 112- <br /> mile south of the former facility. Stockton City Hall and McLeod Lake are across El Dorado <br /> Street to the west of the former facility. <br /> Geology <br /> The ground surface elevation at the former facilityis approximately at sea level Geological <br /> � l?P Y (U.S. Geolo 'cal � <br /> Survey, 1962). The former facility is located within the physiographic province known as the San <br /> Joaquin Valley, which is part of the greater Central Valley Basin. Soil beneath the former facility <br /> consists of flood basin deposits of Recent (Holocene) age consisting primarily of clay, silt and <br /> some sand (Page, 1986). <br /> I <br /> 3545 Howard Way,2nd Floor,Costa Mesa.CA 92626-1418,Phone 714.426.9000.FAX 714.426.9027 <br /> Formerly Environmental Science&Enuineerin,.Inc. <br />