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WELL DETAILS <br /> PROJECT NUMBER F90-02.01 BORING/ WELL NO. MW-12 <br /> PROJECT NAME A. Teichert & Son,„Inc. TOP OF CASING ELEV. 19.69 <br /> EMCON LOCATION 103 North E Street, Stockton California GROUND SURFACE ELEV. 20.67 <br /> Sacramento WELL PERMIT NO. 92-2780 DATUM Mean Sea Level <br /> INSTALLATION DATE 8112/92 <br /> TOC (Top of casing) <br /> G-5 vault box (Std.) <br /> 9 EXPLORATORY BORING <br /> a- Total depth 91.5 ft. <br /> b. Diameter 8 in. <br /> Drilling method Hollow-stemguaer <br /> e d h WELL CON5TRUCTION <br /> c. Total casing length 89.60 ft. <br /> . Material Schedule 40 PVC <br /> d. Diameter 2 in. <br /> a c <br /> he. Depth to top perforations 75.56 ft. 1 <br /> I <br /> i f. Perforated length 14.13 ft. <br /> Perforated interval from 75.56 to 89.69 ft. <br /> Perforation type Factory slotted <br /> Perforation size 0.020 <br /> g. Surface seal 1.5 ft. <br /> Material Sand/cement slurry <br /> f <br /> j h. Backfill 69.0 ft. <br /> Material Cement/bentonite grout <br /> i. Seal 2.2 ft. <br /> Material Bentonite pellets <br /> j. Gravel pack 18.8 ft. <br /> Gravel pack interval from 72.7 to 91.5 ft. <br /> Material #2/12 Sand <br /> k. Bottom seal/fill NA ft. <br /> k ' <br /> b Material NA <br /> Form prepared by d1b <br />