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WELL DETAILS <br /> PROJECT NUMBER 0805-147.01 BORING/WELL NO. B-4/MW-2 <br /> PROJECT NAME ARCO 2186 TOP OF CASING ELEV. 15.49 <br /> LOCATION 3212 N. California Street, Stockton, A GROUND SURFACE ELEV. 15.x,,^ <br /> ' EMCON WELL PERMIT NO. 7016 DATUM Mean Sea Level _ <br /> INSTALLATION DATE 8/29/95 <br /> TOC (Top of casing) <br /> G-5 vault box (Std.) - <br /> •,•, g EXPLORATORY BORING <br /> ' a. Total depth 75.5 ft. <br /> b. Diameter 10 in. <br />' Drilling method hollow-stem auggr <br /> e d h WELL CONSTRUCTION <br /> c. Total casing length 75.1 ft. <br /> Material Soh 40 PVC„ <br /> d. Diameter 4 in. <br /> a c <br /> e. Depth to top perforations 55.5 ft. <br /> i f. Perforated length 19.0 ft. <br /> Perforated interval from 55.5 to 74.5 ft. <br />' Perforation type machine slot <br /> Perforation size 0.02-inch <br /> g. Surface seal 1.0 ft. <br /> Material concrete <br /> f h. Backfill 48.2 ft. <br />' Materialbentonite cement grout <br /> L Seal 3.8 ft. <br /> Material 3/8"bentonite chips <br /> j. Gravel pack 22.5 ft. <br /> Gravel pack interval from 53.0 to 75.5 ft. <br /> Material #3 Lonestar sand <br /> k. Bottom seal/fill NA ft. <br /> k <br /> > b Material NA <br /> Form prepared by D_ Folev <br />