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WELL DETAILS <br /> BORINGIWELL NO MW-19 <br /> PROJECT NUMBER U6100 <br /> TOP OF CASING 1=LI=V 278 34' <br /> PROJECT NAME Former Arco Service Station No 6100 <br /> GROUND SURFACE ELEV 278 71' <br /> LOCATION 25775 S Patterson Pass Road,Tracy,Californo <br /> DATUM NAVD88 <br /> WELL PERMIT NO SR0045139 <br /> INSTALLATION DATE December 14, 2005 <br /> EXPLORATORY BORING <br /> a TOTAL DEPTH 105 ft <br /> d <br /> b DIAMETER 10 in <br /> TOC(TOP OF CASING) <br /> ! G-5 VAULT BOX(STD) DRILLING METHOD Hollow Stem Auger <br /> a� WELL CONSTRUCTION <br /> �•� ��• c TOTAL CASING LENGTH ft <br /> �•� \` hMATERIAL Schedule 40 PVC <br /> `` �\�• <br /> e \� d DIAMETER 4 in <br /> i• a DEPTH TO TOP PERFORATIONS 90 ft <br /> f PERFORATED <br /> c INTERVAL FROM 90 TO 105 ft <br /> PERFORATION TYPE Slotted Screen <br /> PERFORATION SIZE 001 En <br /> g SURFACE SEAL 0 to 1 0 ft <br /> SEAL MATERIAL Concrete <br /> h BACKFILL i 0 to 83 ft <br /> BACKFILL MATERIAL Neat Cement <br /> i SEAL 83 to 87 ft <br /> SEAL MATERIAL Bentonite <br /> -- FILTER PACK 87 to 105 ft <br /> L-- b —�J <br /> FILTER PACK MATERIAL #2112 Sand <br /> k BOTTOM SEAL <br /> BENTONITE I� CONCRETE SEAL MATERIAL NIA <br /> `NG1 CEMENT I I SAND <br /> 3 PERFORATION <br /> NOT TO SCALE <br /> PREPARED BY DATE <br /> REVIEWED BY DATE <br />