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n <br />t <br />PROJECT NUMBER 939.02.06 BORING /WELL NO. 2 <br />PROJECT NAME landfill Development TOP OF CASING ELEV. 106.01 <br />COUNTY San kaguin GROUND SURFACE ELEV. 104.90 <br />°'•°"•TE' WELL PERMIT NO. 87-2086 DATUM Mean Sea Level <br />m Steel protective <br />casing (Std_) <br />a. Total depth 156.5 ft. <br />b. Diameter 8 in. <br />Drilling method Mud Rotary <br />c. <br />Casing length 157.11 ft. <br />Material Schedule 40 PVC <br />d. <br />Diameter 4.5 <br />in. <br />e. <br />Depth to top perforations 116 <br />ft. <br />f. <br />Perforated length 40 <br />ft. <br />Perforated interval from —116 to 156 <br />ft. <br />Perforation type Machined Slots <br />Perforation size .020 inch <br />g. <br />Surface seal 1 <br />ft. <br />Seal material Concrete <br />h. Backfill 110 ft. <br />Backfill material Cement/Bentonite <br />i. Seal ft. <br />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 />I. Casing height 2 ft. <br />m. Protective casing diameter 8 in. <br />PLATE A-33 <br />