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i <br /> a u, <br /> WELL DETAILS <br /> PROJECT NUMBER 0805-146 008 BORING /WELL NO B25NW10 <br /> PROJECT NAME ARCO 2168 TOP OF CASING ELEV NM <br /> U LOCATION 441 West Charter Way, Stockton, CA GROUND SURFACE ELEV -9 5 <br /> EMCON WELL PERMIT NO 9892 DATUM Mean Sea Level <br /> INSTALLATION DATE 7/24/96 <br /> TQC (Top of casing) <br /> G-5 vault box (Std ) <br /> - • T f 9 EXPLORATORY BORING <br /> a Total depth 260 ft <br /> b Diameter 8 in <br /> Drilling method hollow-stem r <br /> e d h WELL CONSTRUCTION <br /> c Total casing length 255 ft <br /> Material <br /> d Diameter 4 in <br /> a c e Depth to top perforations 60 ft <br /> f Perforated length 195 ft <br /> Perforated interval from 60 to 255 ft <br /> Perforation type machine slot <br /> Perforation size 0 01-inch <br /> g Surface seal 1 0 ft <br /> Material_ concrete <br /> f h Backfill 20 ft <br /> Material neat cement grout <br /> i Seal 20 ft <br /> Material 3/8" bentonite pellets <br /> Gravel pack 21 0 ft <br /> Gravel pack interval from_.LO--0 to 26 0 ft <br /> Material pea gravel <br /> k <br /> k Bottom seal/fill NA ft <br /> Material NA <br /> . b <br /> Form prepared by D. Foley <br />