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Locking steel cap <br /> DEPTH t 5' <br /> 0.5' Ground surface <br /> 0' <br /> 3.5' 12 gauge, 12 3/4" dia. <br /> steel outer casing <br /> Monitoring Well 9-sack sand-cement <br /> Construction slurry grout <br /> PW8 -76A <br /> 12 gauge, 6 5/8" dia. <br /> steel casing, welded <br /> TreaTek—CRA connections at 20' <br /> Occidental Chemical Co. intervals <br /> J.R. Simplot Co. Facility <br /> 16777 Howland Road <br /> Lathrop, California <br /> 23 February 1994 <br /> 59.3' <br /> Bentonite pellet seal <br /> 61 .8' 2.5' <br /> 0.9' Coarse Monterey sand <br /> 6 2.7' rtir fti:. <br /> stir rtil <br /> 4.9' <br /> r•r r•r <br /> 6 7.6' rti; 'fti; <br /> {{: •rti: <br /> rti: •rtir <br /> ':tir rti: 0.060" slot low carbon <br /> r•r r;r <br /> 5 rti; steel wire Johnson well <br /> rtir rtir <br /> screen <br /> •r�r r�r <br /> =21 Gravel pack <br /> 72.6' rtir {{r <br /> rtir rtir 12 gauge, 6 5/8" dia. <br /> 3' steel casing, welded <br /> ftir fti; <br /> 75.6' f•r r•r plate at base <br /> 4.4' Sloughed formation <br /> 80' <br /> 12' <br />