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"ONWELL DETAILS <br /> PROJECT NUMBER 0805-15203 BORING/WELL NO VW-19 <br /> �JPROJECT NAME ARCO 6100 TOP OF CASING ELEV NA <br /> LOCATION25775 S Patterson Pass Road, Tracy, CA GROUND SURFACE ELEV NA <br /> EMCON WELL PERMIT NO 6395 DATUM Mean Sea Level <br /> INSTALLATION DATE 7/5195 <br /> TOC (Top of casing) <br /> G-5 vault box (Std ) <br /> •.•. •.•. EXPLORATORY BORING <br /> r r r r <br /> a Total depth 93 D #t <br /> b Diameter 8 in <br /> Drilling method hollow-stem auger <br /> e d h WELL CONSTRUCTION <br /> c Total casing length 880 ft <br /> Material Sch 40 PVC, <br /> d Diameter 4 in <br /> a c e Depth to top p perforations 580 ft <br /> f Perforated length 300 ft <br /> Perforated interval from 58 0 to 880 ft <br /> Perforation type machine slot <br /> Perforation size 0 1-inch <br /> g Surface seal 1 0 ft <br /> Material_ _ concrete <br /> f 1 h Backfill <br /> 530 ft <br /> Material bentonite cement grout <br /> i Seal 30 ft <br /> Material 3/8" bentonite chips <br /> Gravel pack 31 0 ft <br /> Gravel pack interval from 57 0 to 88 0 ft <br /> Material_ pea gravel _ <br /> k k Bottom seaVfill 50 ft <br /> b Material slough „ r_ <br /> Form prepared by C. Avila <br />