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GROUND ZERO ANALYSIS LOG OF BORING SB37/WELL MW13 <br /> rNOWLES-Rncr LOCATION 102 5 WILSON WAY STOCKTON CA PROJECT NO. 95-008 <br /> PROJECT LOIS FRANTZ/JEANNE BUCKTHAL REVIEWED LTY R P n H R• NO 5023 <br /> DATE DRILLED 10/08/95 LOGGED BY un nw ncu uJCER <br /> DRILLING COMPANY C°ECTRUM EXPLORATION DRILLER DOUG SHEARER/RANDY HORTON METHOD <br /> BORE HOLE DIAMETER 10 IN DEPTH DRILLED 75 FT DEPTH TO WATER : INITIAL NA Er STATIC FT <br /> CASING TYPE PVC F480 DIAMETER 4 IN SCHEDULE INTERVAL o FT TO 2U FT <br /> SCREEN TYPE PVC F450 DIAMETER 4 IN SLOT SIZE IN INTERVAL 20 FT TO 75 F7 <br /> INTERVAL 16 F7 TO 75 FT <br /> FILTER PACK TYPE J7✓ MA AND �N rc INTERVAL 0 FT TO 16 FT <br /> SURFACE SEAL TYPE PAGE I OF_Z_ <br /> COMMENTS: <br /> WELL DEPTH PID ID U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> 0-8.5/10' ELASTIC SILT/LEAN CLAY: 5% FN. SA-SR. PRLY GRDD SNO: <br /> 2 95% FNS- M—H DRY STRNGTH; SLW DLTNCY; M—H TCHNSS; <br /> M—H P&r; STIFF; M YLLW BRN; NPO; DRY—MST; WEAK <br /> MN/CL CEMENTATION; HOMO <br /> 4 0 <br /> 3 <br /> 6 5 <br /> 9 <br /> 8.5/IO-11.5/15' SILTY5% FNSN M BRN; NPO: DRY-MST YWEAK EMEH TION ONS: <br /> 8 HOMO <br /> 10 S837-10.5' <br /> 0 3 <br /> 5 <br /> 12 SM <br /> 12 <br /> 11.5/15-18.5/20' 95%FIC SILT/LEAN CLAY; T FN, SA-SR, PRL- GRDD SND; <br /> 95% FNS; N-H DRY STRNGTH; SLW DLTNCY; ST: TCHNSS; <br /> � N-H PLST: STIFF: M YLLW BRN; NPO; DRY-MST: WEAK <br /> 14 CEMENTATION; HOMO <br /> 0 5 <br /> 16 9 MH/CL <br /> 18 16.5/20-28.5/30' ELASTIC SILT; 5% FN, SA—SR, PRLY GRDD SNO; 95% FNS; L— <br /> M DRY STRNGTH; SLW DLTNCY; L—M TCHNSS; M PLST; <br /> STIFF TO V STIFF; M YLLW BAN TO DRY BRN; NPO; DRY—MST; <br /> SB37-20.5' WEAK CEMENTATION; HOMO <br /> 20 0 7 <br /> 11 <br /> 12 <br /> 22 <br /> MH <br /> 24 <br /> 4 <br /> 0 9 <br /> 26 12 <br /> 28.5/30-31.5/35' ELASTIC SILT/LEAN CLAY: 5% FN, SA—SR, PRLY GRDD SND: <br /> 28 95% FNS, M-H DRY STRNGTH; N-SLW DLTNCY; N-H TGHNSS; <br /> N-H PLST; STIFF-V STIFF; N YLLW BRN; NPO; DRY-MST; <br /> 5837-30.5' WEAK CEMENTATION: HOMO <br /> 30 7 <br /> 0 8 NH/CL <br /> 15 <br /> sms <br /> 32 <br /> 31.5/35-38.5/40' 15% FNSSILTY ; M BYLLW BRNNPO: MST: WREAK CEMENTAT ON: <br /> 34 HOMO <br /> 1.0 3 <br /> 369 SM <br /> 12 <br /> 36.5/40-41.5/45' ELASTIC SILT/LEAN CLAY; 5% FN, SA-SR, PRLY GRDD SND; <br /> 3895% FNS; M-H DRY STRNGTH; N-SLW DLTNCY; M-H TCHNSS; <br /> M-H PLST: STIFF-V STIFF; CRY BRN; SL P0; DRY-MST; <br /> WEAK CEMENTATION; HOMO <br /> — 40 <br />