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WELL DETAILS <br /> U6100 BORING/WELL NO <br /> MW-10 <br /> PROJECT NUMBER <br /> PROJECT NAME ARCO Station 6104 <br /> TOP OF CASING ELEV 288 . 931 <br /> LOCATION <br /> 25775 Patterson Pass Rd . , GROUND SURFACE ELEV 289 . 52 ' <br /> near Tracy , CA DATUM NAD 83 <br /> WELL PERMIT NO INSTALLATION DATE May 24 , 2004 <br /> EXPLORATORY BORING <br /> a TOT/-\L DEPTm 109 ft <br /> b DIAMETER 10 in <br /> d DRILLING METHOD hollow stem auger <br /> TOC(TOP OF CASING) <br /> G-5 VAULT BOX(STD ) <br /> g WELL CONSTRUCTION <br /> c TOTAL CASING LENGTH 109 ft <br /> h <br /> e <br /> MATERIAL schedule 40 PVC <br /> d DIAMETER 4 in <br /> Q C e DEPTH TO TOP PERFORATIONS 84 ft <br /> } f PERFORATED <br /> ! - I INTERVAL FROM 84 TO 109 ft <br /> f = f PERFORATION TYPE slotted <br /> L = PERFORATION SIZE 0 . 02" <br /> g SURFACE SEAL 0 _11 <br /> SEAL MATERIAL concrete <br /> L__ h BACKFILL 1 ' -78 } <br /> BACKFILL MATERIAL neat cement <br /> SEAL 78 ' -80 ' <br /> SEAL MATERIAL bentonite <br /> © BENTONITE El CONCRETE © PERFORATION <br /> j FILTER PACK 801 -109 , <br /> FILTER PACK MATERIAL #3 sand <br /> CEMENT F-1 SAND <br /> k BOTTOM SEAL <br /> SEAL MATERIAL none <br /> NOT TO SCALE <br /> PREPARED BY DATE <br /> REVIEWED BY DATE <br />