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WELL DETAILS <br /> PROJECT NUMBER 5-147.01 BORING/WELL NO. B-51MW-3 <br /> PROJECT NAME ARCO 2186 TOP OF CASING ELEV. 14.55 <br /> �J LOCATION 3212 N, Califomia Sireei, St2gjgon, CA GROUND SURFACE ELEV.14.9 <br /> EMCON WELL PERMIT NO. 7016 DATUM Mean Sea Level <br /> INSTALLATION DATE 8/29/95 <br /> TOG (Top of casing) <br /> G-5 vault box(Std.) <br /> -, 9 EXPLORATORY BORING <br /> J J J <br /> a. Total depth 75..0 ft. <br /> b. Diameter 10 in. <br /> Drilling method hollow-stem auoer <br /> e d h WELL CONSTRUCTION <br /> c. Total casing length 74.7 ft. <br /> Material Sch Oil PVC <br /> d. Diameter 4 in. <br /> a c e. Depth to top perforations 55.3 ft. <br /> i f. Perforated length 19.0 ft. <br /> Perforated interval from 55.3 to 74.3 ft. <br /> Perforation type machine slot <br /> Perforation size 0.02-inch <br /> g. Surface seal 1.0 ft. <br /> Material congrgIg <br /> f r'f �' f'`'•' `' j h. Backfill 46.6 ft. <br /> Materialneat cement grout <br /> Seal 5.2 ft. <br /> t? tt: : <br /> r: <br /> Material <br /> 8"bentonite chips <br /> 'r <br /> j. Gravel pack 22.2 ft. <br /> Gravel pack interval from 52.8 to 75.0 ft. <br /> IF <br /> Material #3 Lanestar sand <br /> k. Bottom seal/fill NA ft. <br /> fc <br /> Material NA <br /> b <br /> Form prepared by D. Foley <br />