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i Ground <br /> Water Extraction Pilot Test Report <br /> FORMER STOCKTON PLATING FACILITY <br /> s <br /> 632 South El Dorado Street, Stockton, California <br /> 1.0. INTRODUCTION AND SCOPE OF WORK <br /> At the request of Mr Richard Leland and Mr George Hartmann,Advanced GeoEnvironmental, Inc <br /> (AGE) has prepared this report foi the installation of two ground water wells and'a ground water <br /> extraction pilot test conducted at 632 South El Doi ado Street, Stockton, California (the site) <br /> Figure 1 shows the site location Site structures and monitoring well locations are depicted on <br /> Figure 2 <br /> The objective ofthe work was to obtain general ground water aquifer characteristics and to evaluate <br />' aquifer response to ground water extraction at a constant pumping rate This report is prepared in <br /> accordance with guidelines established by the California Regional Water Quality Control Board - <br /> Central Valley Division for investigation of underground storage tank (UST) sites <br />' Background Information is summarized In Corrective Action Plan, dated 15 November 1995, <br /> Qtiai terly Report - March 1996, dated 05 April 1996, and in Qtiarterly Report -June 1998, dated <br />' September 1998 <br />' • 2.0. INSTALLATION OF GROUND WATER EXTRACTION WELL <br /> On 20 June 2001 and on 06 July 2001, ground water extraction wells EW-1 and EW-2,respectively, <br /> were installed at the site to perform a ground water extraction pilot test, the well installation <br /> procedures were outlined in Ground Water Extraction Feasibility Action Work Plan dated <br /> 08 November 2000, prepared by AGE, and approved by the San Joaquin County Public Health <br /> Services - Environmental Health Division (PHS-EHD) by letter dated 27 December 2000 <br /> L21 INSTALLATION PROCEDURES <br /> 1 Two soil borings/ground water extraction well(EW-1 and EW-2) were advanced and,nstalled at the <br /> site Soil Borings EW-1 and EW-2 were advanced vertically to a depth of approximately 60 feet <br /> below surface grade (bsg) utilizing a CME-75 high-torque, and CME-85 truck-mounted drill rigs <br /> equipped with 15-inch diameter hollow-stem augers Soil cuttings and rinseate were containerized <br /> in DOT-approved 55-gallon drums and placed within a fenced area, near the eastern portion of the <br /> site The soil boring locations ai e depicted in Figure 2 <br /> 1 <br /> • <br />' Advanced Geo Environmental Inc <br />