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Proposed Monitoring <br /> Well Construction <br /> (not to scale) <br /> 2 ft X 2 ft concrete surface <br /> Monument style wellhead <br /> seal,4 inches thick <br /> cover (2 ft minimum) minimum <br /> Land surface <br /> a <br /> o.Q o0 <br /> d' o <br /> o ago. <br /> Pr O:o <br /> Q' P <br /> oQ 9p; <br /> o. <br /> Sanitary seal <br /> 0 <br /> oa <br /> o� ag <br /> Po Well casing <br /> Q' P <br /> Ip <br /> o. <br /> � o <br /> O D <br /> 0 <br /> Q �p <br /> o. <br /> 2 ft minimum <br /> transitional seal <br /> 1 ft Borehole (2 inch minimum <br /> radial thickness between <br /> casing and borehole wall) <br /> Filter pack <br /> Well screen <br /> 1 ft Sump <br /> Note:Protective barriers are - Flush threaded or slip cap <br /> required but not shown. with stainless steel screws <br /> HYDR4FOCUSZ Typical Monitoring Well Construction, Ground Completion Figure <br /> 2a <br /> ROJECT: 5023 DATE: 6/6/07 <br />