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Locking Well Cover <br /> Casing Cap <br /> Ground Surfoce—�� F� T <br /> • 0 <br /> ° b • Minimum 2—inch <br /> a . ° Cement/Bentonite <br /> 0 0• 0.-0 <br /> ' ° .0 <br /> o,O°, o • Blank Casing (PVC) <br /> p ' 'o . o <br /> o <br /> • 0. •°00 0 <br /> o �� 0 •• <br /> .° ° '00 Well Bore <br /> ° .° ° ••.o• (10 or 12) inch <br /> °o <br /> 0* ,o , O, O Diameter <br /> Minimum 2—Foot <br /> Cement/Bentonite <br /> Annular space <br /> Minimum 2—Foot <br /> Sand Pack <br /> 5 — 30 feet <br /> Well Screen (PVC) <br /> Well Bottom Plug <br /> SCHEMATIC VAPOR-EXTRACTION PLATE <br /> ---.— <br /> WELL DESIGN <br /> ARCO Service Station No. 6100 2 <br /> ri E no. 25775 South Patterson Pass <br /> PROJECT NO. 30041 ooaloaa Tracy, California <br />