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- <br /> Top of casing elevation 9 97 <br /> Ground surface <br /> Grout seal <br /> Nominal casing diameter 2 0 ' <br /> Blank casing <br /> 1 <br /> Bentonite Top of bentonite depth 5 0 <br /> Top of filter depth 7 0 ' <br /> Top of screen depth 9 9 <br /> � 1 <br /> Filter material , <br /> Screen : <br /> Conical cap Base of screen depth 23 8 —' <br /> Bottom of hole depth 24 7 <br /> Boring diameter <br /> Drawing not to scale ' <br /> Well Casing 2-inch Schedule 40 PVC ' <br /> Screen 0 02-inch machine slotted PVC <br /> Filter material No 3 Lonestar sand <br /> Bentonite 114-inch uncoated bentonite pellets ' <br /> Grout seal Neat cement with 5%bentonite <br /> Surface finish Flush mount ' <br /> NOTES WELL CONSTRUCTION DIAGRAM <br /> 1 Well location is shown on Figure 2 MW3-4 ' <br /> 2 Elevations are in feet above mean sea level UST SITE No 3-Port of Stockton <br /> 3 Depths are in feet below ground surface Stockton,California <br /> 4 Diameters are in inches Protect No ' <br /> 6437001 Appendix A <br />