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AWu" <br /> - AV= WAP=& <br /> water produced during well development will be contained on-site in DOT 17H drums <br /> rr_ <br /> pending determination of method for proper disposal. <br /> { 4.1.4 Wellhead Survey <br /> Well head elevations and locations will be surveyed to allow lateral and vertical control <br /> for data reduction. Surveying will be performed under the direction of a California <br /> registered engineer. <br /> f'31 <br /> 4.1.5 Fluid Level Measurement <br /> j Fluid levels will be obtained from all monitoring wells following development, after <br /> :a <br /> fluid levels have been allowed to stabilize. Levels will be taken using an interface probe <br /> capable of differentiating between air/ roduct/water with an accuracy of 1/100th of a <br /> P g P Y <br /> foot. <br /> 4.1.5 Groundwater Sampling <br /> ' A. Hydropunch <br /> Discrete groundwater samples will be collected from the four soil borings nearest <br /> MW4 in an attempt to define the lateral extent of floating free product. After <br /> -_ each boring is drilled to within one foot of saturation, approximately 15 feet, a <br /> rr groundwater sampling tool with a detachable tip will be driven approximately 3-5 <br /> rr feet into the saturation zone. The tool will then be withdrawn approximately 18 <br /> inches to expose-an inner teflon inlet screen. After the interior fills with water <br /> the tool will be recovered. A bailer will be used to retrieve ag roundwater <br /> sample. Bentonite will be placed at the bottom of each boring prior to <br /> abandoning g the boring with neat cement. <br /> i <br /> Frr REPORTS1W -IM.FNL 6 <br /> r;I <br /> t�� <br />