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Proposed Monitoring 40 <br /> Well Construction <br /> (not to scale) <br /> Land surface <br /> Traffic rated <br /> vault box with lid 3 c:' <br /> 00 <br /> o <br /> Po O.o <br /> C2, <br /> pp Well casing <br /> 00 0 <br /> 00 <br /> �M. <br /> Sanitary seala. <br /> .oQ gip;� <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 /> 7, 1 ft Sump <br /> Flush threaded or slip cap <br /> with stainless steel screws <br /> YDR(JFOCUSuz Typical Monitoring Well Construction,Below Ground Completion Figure <br /> 2b <br /> M <br /> ROJECT. 5023 DATE: 6/6/07 <br />