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ITAVELL DETAILS <br /> PROJECT NUMBER 939.02.06 BORING /WELL NO. -2 <br /> PROJECT NAME Landfill Development TOP OF CASING ELEV. 106.01 <br /> COUNTY San Joaquin GROUND SURFACE ELEV. 104.90 <br /> UM <br /> A tOC1ATE' WELL PERMIT NO. 87-2086 DATUM Mean Sea Level <br /> �..—m� Steel protective <br /> casing (std.) EXPLORATORY BORING <br /> a. Total depth 156.5 ft. <br /> I b. Diameter 8 in. <br /> r'p' Mud Rotary <br /> Drilling method <br /> A• <br /> g <br /> WELL CONSTRUCTION <br /> c. Casing length 157.11 ft. <br /> Material Schedule 40 PVC <br /> d. Diameter 4.5 in. <br /> d e h e. Depth to top perforations 116 ft. <br /> f. Perforated length 40 ft. <br /> Perforated interval from 116to 156 ft. <br /> Perforation type Machined Slots <br /> Perforation size .020 inch <br /> a c 777 g. Surface seal 1 ft. <br /> Seal material Concrete <br /> • h. Backfill 110 ft. <br /> Backfill material Cement/Bentonite <br /> 2 <br /> i. Seal ft. <br /> f Seal material Bentonite Pellets <br /> j. Gravel pack 43.5 ft. <br /> Pack material No.3 Sand <br /> k. Bottom seal ft. <br /> Seal material (None) <br /> 1. Casing height 2 ft. <br /> m. Protective casing diameter 8 in. <br /> k <br /> b <br />