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Locking steel cap <br /> DEPTH 1 .6' <br /> 1 .3" Ground surfac <br /> 0' .". <br /> 2.7' 12 gauge, 12 3/4" dia. <br /> steel outer casing <br /> Monitoring Well 9-sack sand-cement <br /> Construction ��= slurry grout <br /> PW4- 1 13A <br /> 12 gauge, 6 5/8" dia. <br /> TreaTek—CRA steel casing, welded <br /> Occidental Chemical Co. connections at 20' <br /> J_R. Simplot Co. Facility intervals <br /> 16777 Howland Road <br /> Lathrop, California <br /> 25 February 1994 <br /> 96.2' <br /> Bentonite chip seal <br /> 100.2' 4 <br /> 1 43 Monterey sand <br /> 101 .2' <br /> 105' <br /> 3.8' <br /> ;ti; fti: 0.060" slot low carbon <br /> ?�� r steel wire Johnson well <br /> 5' fti: :ti <br /> r•f f•f screen <br /> fti; rti: <br /> 110' :•r :•r 'x21 Gravel pack <br /> gf rtif <br /> 3, rti. f;r 12 gauge, 6 5/8" dia. <br /> 113' rti; steel casing, welded <br /> •� • • • I I plate at base <br /> l t•f•t•r t•1•r•r <br /> 4.6' ti.ti.ti.ti ti•ti•ti.ti. <br /> �•r.r.r.r.r.r r.r <br /> 1 17.6 • ti•ti•ti•ti•ti•ti•ti•ti• <br /> r•t.r.r.r.f.f.f.t <br /> 2.4' Sloughed formation <br /> 120' <br /> ` -4- 12" <br />