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• • <br /> GROUND ZERO ANALYSIS LOG OF BORING S829/VAPOR WELLS VW1 & VW2 <br /> PROJECT eu0vn rs-ROEK LOCATION 102 5 WRSON WAY STOCKTON CA PROJECT NO. 95-006 <br /> DATE DRILLED 10/04/95 LOGGED BY LOIS FRANTZ REVIEWED BY GREG p. 9TANL Ra No. 5023 <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER DOUG SHEARER/RANDY HORTON METHOD HOLLOW STEN AUGER <br /> BORE HOLE DIAMETER 12 IN DEPTH DRILLED 60 FT DEPTH TO WATER : INITIAL NA FT STATIC FT <br /> VAR 1fHiJ4 IN SCHEDULE aG INTERVAL 0 FT TO SO FT <br /> a-ECASINTYPE QVC F480 DIAMETER <br /> SCREEN TYPE PVC F480 DIAMETER 4 IN SLOT SIZE 0-1G IN INTERVAL 50 FT TO 6o FT <br /> FILTER PACK TYPE vcI INTERVAL 49 FT TO BO FT <br /> SURFACE SEAL TYPE HEAT CEMENT OVER BEHIONITE - INTERVAL 45 FT TO 49 FT <br /> VAPOR WILL V92 2 IN SCHEDULE 40 INTERVAL 0 FT TO 35 FT <br /> CASIN— G TYPE —PVC F480 DIAMETER <br /> SCREEN TYPE PVC F480 DIAMETER 2 IN SLOT SIZE 0 10 IN INTERVAL 35 FT TO 45 FT <br /> FILTER PACK TYPE PEA GRAVE_ INTERVAL 33 FT TO 45 FT <br /> SURFACE SEAL TYPE HEAT CEMENT OVER BENTONITE INTERVAL O FT TO 33 FT <br /> PAGE 1 OF 2 <br /> COMMENTS: <br /> WELL DEPTH PID AMPLE ID U.S.C. DESCRIFT10N <br /> DETAIL FT. PPM BLOWCOUNT LDG <br /> 2 <br /> 0-16.5/20' ELASTIC SILT/LEAN CLAY; 5% FN, SA-SR, PRLY GROG SND; 95% <br /> FNS; M-H TO L-M DRY STRNGTH; SLW DLTNCY; M-H TO L-M <br /> 4 TGHNSS; M-H PLST: STIFF-V STIFF: BLK BRN TO LT YLLW BRN; <br /> N-SL P0: DRY TO DRY-MST: WEAK TO STRNG CEMENTATION; <br /> S829-5.5' HOMO; CBC03 STRIATIONS <br /> 31 y <br /> 8 6 <br /> 12 <br /> e <br /> MH/CL <br /> 10 SB29-10.5' <br /> 1.0 6 <br /> 12 <br /> 20 <br /> 12 <br /> 14 <br /> e <br /> 3.5 15 <br /> 16 15 <br /> 18.5/20-25.3' ELASTIC SILT; 5% FN. SA-SR, PRLY GRDD SNO: 95% FNS: L-M <br /> 18 DRY STRNGTH; SLW DLTNCY; M-H TGHNSS; M-H PLST; M STIFF TO <br /> V STIFF; M YLLW TO GRN BRN; N TO M-STRNG PO; DRY-MST; <br /> SB293 STRNG CEMENTATION; HOMO <br /> 20 3 <br /> 0.4 12 <br /> 20 <br /> 22 MH <br /> 24 <br /> SB29-25.5' <br /> 900 5 25.3-26.3' POORLY GRADED SAND; 95% FN-M. SA-SR, PRLY GRDD SND; M <br /> 10 SP DNS; 5% FNS; CRN BRN; M-STRNG PO: MSF; WEAK CEMENTATION; <br /> 26 10 HOMO <br /> 28 26.3-46.5/50' ELASTIC SILT; 5X FN. SA-SR, PRLY GRDD SND; 95X FNS; L-M <br /> DRY STRNGTH; SLW-N SLW DLTNCY; L-M TGHNSS; M-H PLST; V <br /> STIFF TO V STIFF-HRD; M YLLW BRN TO GRN BRN; SL-M TO <br /> 30 S829-30.5' 'STRNG PO; DRY-MST; M YO WEAK CEMENTATION; HOMO; C00O3 <br /> 23 4 STRIATIONS <br /> 0 <br /> 10 <br /> 32 <br /> 34 MH <br /> 19 4 <br /> 36 6 <br /> 6 <br /> 38 <br /> 40 <br />