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AL <br />•••••0 <br />2 F.: <br />0,9' <br />4.9 , <br />:7:4* <br />5 <br />%.% <br />.e.e No.%. <br />16777 Howland Road <br />Lathrop, California <br />23 February 1994 <br />59.3' <br />61.8' <br />62 7 <br />67 6 <br />72 6 <br />75 6 <br />80 <br />Locking steel cap <br />Ground surface <br />12 gauge, 12 3/4" dia. <br />steel outer casing <br />9-sack sand-cement <br />slurry grout <br />12 gauge, 6 5/8" dia. <br />steel casing, welded <br />connections at 20' <br />intervals <br />Bentonite pellet seal <br />Coarse Monterey sand <br />4••••••... e.: %.%.• <br />3 5 <br />Monitoring Well <br />Construction <br />PW8-76A <br />TreaTek-CRA <br />Occidental Chemical Co. <br />JR_ Simplot Co. Facility <br />e.e <br />f*, <br />e.e % • <br />0,060" slot low carbon <br />1., <br />steel wire Johnson well <br />screen ewe <br />ewe <br /> 41-2 1 Grq.vel pack <br />.ww.ww <br />12 gauge, 6 5/8" dia. <br />1751R7--- steel casing, welded <br />plate at base <br />-411— 12" -110-1 <br />Sloughed formation