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WELL DETAILS <br /> PROJECT NUMBER U6100 BORING/WELL NO MW-13288 . 85 <br /> PROJECT NAME ARCO Station 6100 TOP OF CASING ELEV <br /> LOCATION <br /> 25775 Patterson Pass Rd . , GROUND SURFACE ELEV 289 . 50 ' <br /> near Tracy , CA DATUM NAD 83 <br /> WELL PERMIT NO INSTALLATION DATE May 27 , 2004 <br /> I <br /> EXPLORATORY BORING <br /> 68 ft <br /> � i VTHL UG'1"'f <br /> b DIAMETER 10 .n <br /> DRILLING METHOD hollow stem auger <br /> —TOC(T OP OF ;PSING) <br /> G-5 VAULT BOX(STD ) <br /> i 9 WELL CONSTRUCTION <br /> �I � r <br /> c TOTAL CASING LENGTH 68 ft <br /> h <br /> MATERIAL schedule 40 PVC <br /> - <br /> e <br /> d DIAMETER 4 in <br /> 71 Q ; e DEPTH TO TOP PERFORATIONS 58 ft <br /> - f PERFORATED <br /> INTERVAL FROM 58 TO 68 ft <br /> c w <br /> J PERFORATION TYPE slotted <br /> =f PERFORATION SIZE 0 021, <br /> J g SuR"'ACE SEAL 0 ' -1 0 <br /> � 3 <br /> k <br /> SEAL MATERIAL concrete <br /> L.� n BACKFILL 11 -541 <br /> 1 _541 <br /> BACKFILL MATERIAL neat cement <br /> SEAL 54 ' -56 ' <br /> SEAL MATERIAL bentonite <br /> BENTONITE CONCRETE PERFORATION <br /> r:ILTEP, PACK 561 -68 , <br /> CEMENTSAND FILTER PACK MATERIAL #3 sand <br /> k BOTTOM SEAL <br /> SEAL MATEPIAL none <br /> . NOT TO SCALE <br /> P?ED',aED SY D4,TW <br /> k � <br /> 3'T E <br />