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f <br /> fflv � ' <br /> Wator•lighl <br /> traffic box <br /> DEPTH{loot} Ground surface y -- <br /> 0 1 It. _ t— 1� ---,--__ Locking <br /> mechanism <br /> Concrete <br /> 3 <br /> B I <br /> 9 <br /> Bontonife and Portand <br /> 24 1t Cement <br /> 15 30' <br /> 18 2 in.Sch.40 <br /> PVC blank casing <br /> 21 <br /> Borehole diameter-8.5 in. <br /> 24 <br /> 1 1 5 it K - Bentonit©pellots <br /> 27 2-'3 fl <br /> 30] <br /> Depth <br /> 0— <br /> Depth to water=301t <br /> 33 <br /> Filter Pack <br /> 3s 1511 <br /> 39- <br /> 2 In,Sch.40 PVC <br /> —777 screen <br /> A2 <br /> Y Y Threaded End Plug <br /> 0.5 it <br /> 45- <br /> 48 <br /> 5 48 <br /> w Completion details of piezometers P1 and P2,Exxon RS 7-3942,Stockton,California. <br /> Western Division <br />