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I� <br /> 4 1 , <br /> d � . <br /> WELL COVER A.A SURFACE SEAL <br /> Surface Seal Depth 0;to 1.0 Feet <br /> a. Surface Seal Material Concrete <br /> CONCRETE <a <br /> a <br /> 4 I [ 1 <br /> SANITARY SEAL <br /> L <br /> I. Depth of Seal 1.0 to 3.0 Feet <br /> i SANITARY SEAL Seal Material Neat Cement Grout <br /> BLANK CASING BENTONITE SEAL <br /> Depth of Seal 3.0 to 4.0 <br /> Seal Material <br /> Bentonite <br /> Il <br /> i <br /> BENTONITE P <br /> FILTER PACK <br /> Depth of Filter Pack 4.0 to 20.0 feet <br /> Filter Pack Material. #3 Sand <br /> FILTER PACK <br /> WELL CASING <br /> 4 <br /> Casing Length 20.0 Feet <br /> Depth of Blank 0 to 5.0 Feet <br /> Depth of Screen 5.0 to 20.0 Feet <br /> Casing Diameter 2—Inch ' <br /> Casing Material .Schedule 40 PVC <br /> SCREENED CASING Perforation Size 0.020 Inch Slot <br /> t l. <br /> BOTTOM PLUG <br /> lu <br /> 2 <br /> Depth <br /> to Bottom Pg 0.0 Feet <br /> P <br /> VC CuBottom Plug Material P p <br /> CBOTTOM PLUG <br /> f <br /> BOREHOLE <br /> MONITORING WELL MW--5 Depth of Boring 21.0 Feet <br /> Diameter of Boring 8—Inch E <br /> COMPLETED 9-3-99 Drilling Method Hollow Stem Auger <br /> 1 <br /> WELL CONSTRUCTION DIAGRAM JJW GEOSCIENCES, INC. <br /> VALLEY SHOWCASE ENVIRONMENTAL CONSULTANTS <br /> 901-921 W. FREMONT STREET <br /> STOCKTON. CALIFORNIA 11350 MoNiat Paas Puke-RaHaio coRMA,CA 95742 <br /> :I <br />