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`o./ 4� <br /> WELL DETAILS <br /> PROJECT NUMBER 0805-142.02 BORING/WELL NO. VW-13 <br /> irk 1,ift N PROJECT NAME ARCO 760 TOP OF CASING ELEV. -54.5 <br /> ULOCATION 255 Cherokee Lane, Lodi, CA GROUND SURFACE ELEV. -55 <br /> EMCON WELL PERMIT NO. 6037 DATUM Mean Sea Level <br /> INSTALLATION DATE 6/7/95 <br /> L <br /> (Top of casing) <br /> G-5 vault box (Std.) <br /> 9 EXPLORATORY BORING <br /> a. Total depth 51.5 ft. <br /> b. Diameter 1_ in. <br /> Drilling method hollow-stem auger <br /> e d h WELL CONSTRUCTION <br /> c. Total casing length 44.5 ft. <br /> Material Sch 40 PVC <br /> d. Diameter 4 in. <br /> a c e. Depth to top perforations 20.1 ft. <br /> NOW/ <br /> i f. Perforated length 24.1 ft. <br /> Perforated interval from 20.1 to 44.2 ft. <br /> Perforation type machine slot <br /> Perforation size 0.1-inch <br /> g. Surface seal 0.8 ft. <br /> Material concrete <br /> f j h. Backfill 15.2 ft. <br /> Material bentonite cement grout <br /> i. Seal 3.0 ft. <br /> Material 3/8" bentonite chips <br /> j. Gravel pack 26.0 ft. <br /> Gravel pack interval from 19.0 to 45.0 ft. <br /> Material pea gravel <br /> k. Bottom seal/fill 6.5 ft. <br /> k <br /> b Material 3/8" bentonite chips <br /> Form prepared by D- Fe . <br />