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WELL DETAILS <br /> PROJECT NUMBER D000-340 BORING/WELL NO MW-4 <br /> PROJECT NAME ARCO 6100 TOP OF CASING EI-EV 288 . 87 ' <br /> LOCATION 25775 Patterson Pass Rd . GROUND SURFACE ELEV 289 . 35 ' <br /> WELL PERMIT NO 27211 DATUM 3 <br /> INSTALLATION DATE September 17 , 2001 <br /> EXPLORATORY BORING <br /> o TOTAL DEPTH 65 ft <br /> d 3 . <br /> 85 <br /> OC(TOP OF CASING) b DIAMETER in <br /> G-5 VAULT BOX(STD ) DRILLING I'YETHOD _air rotary <br /> at_ <br /> casing hammer <br /> WELL CONSTRUCTION <br /> c TOTAL CASING LENGTH 65 ft <br /> MATERIAL P V C <br /> ' d DIAMETER 4 in <br /> e DEPTH TO TOP PERFORATIONS 55 ft <br /> CL f PERFORATED <br /> INTERVAL FROM S5 TO 65 ft <br /> PERFORATION TYPE slotted PVC <br /> PERFORATION SIZE 0 . 020" <br /> f - J g SURFACE SEAL 01 -11 <br /> SEAL MATERIAL concrete <br /> h BACKFILL 19 -481 <br /> BACKFILL MATERIAL neat cement <br /> SEAL 48 ' -52 ' <br /> SEAL MATERIAL bentonite <br /> _ - FJLTER PACK <br /> 521 -651 <br /> b- <br /> FILTER PACK MATERIAL #3 sand <br /> P � k BOTTOM SEAL <br /> BENTONITE s. a CONCRETE <br /> _ _�' SEAL MATERIAL none <br /> CEMENT _J SAND <br /> —J <br /> E-a PERFORATION <br /> F- <br /> NOT TO SCALE <br /> PREPARED 8Y Scott Bittinger DATE October 1 , 2001 <br /> REVIEWED BY DATE <br />