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3 <br /> Blatt Commercial Brokerage 4 <br /> April 5, 1990 <br /> 202/029000-080 <br /> with three brass tubes 6 inches long and 2 inches in diameter. One tube from each <br /> interval will be capped with aluminum foil and plastic caps, sealed with duct tape, <br /> labeled, and stored on ice. <br /> Three soil samples will be selected and transported to GTEL Environmental Labs, <br /> Inc. (GTEL), a State-certified laboratory in Concord, California. These samples will be <br /> analyzed for total copper and total lead using methods from the U. S. Environmental <br /> Protection Agency (EPA) 6010/7000 Series. <br /> During field operations, Groundwater Technology will make every reasonable <br /> effort to avoid underground improvements at the site. However, Groundwater Technolo- <br /> gy will not be responsible for damage to any such underground utility or improvement <br /> whose location is not accurately depicted on plans or drawings provided to Groundwater <br /> Technology by Blatt Commercial Brokerage (or whose existence and location Groundwa- <br /> ter Technology has not been previously apprised of). <br /> Soil cuttings from drilling will be stored on site, in Department of Transportation <br /> (DOT) 17-H drums. Blatt Commercial Brokerage will be responsible for disposal of the <br /> drums and contents. <br /> 3.0 WELL DEVELOPMENT <br /> To enhance the hydraulic connection between the water-bearing formation and <br /> the monitoring well, Groundwater Technology will develop the monitoring well with a <br /> bailer. Developing a water well removes the clay, silt, and fine sand particles from the <br /> well's sand pack and surrounding formation. As the fine particles are removed, the <br /> permeability of the sand pack and surrounding formation increases. <br /> -_' GROUNDWATER <br /> TECHNOLOGY,INC. <br />