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LOG OF BORING SB8 <br /> PROJECT STOCKTON/SMITH CANAL LOCATION 2144 FONTANA, STOCKTON CA PROJECT N0. W0365.02 <br /> DATE DRILLED 08/04/93 LOGGED BY TOM J LUTTERMAN REVIEWED BY GREG P STAHL RG Noi50.2� <br /> l "r ) DRILLING COMPANY SPECTRUM EXPLORATION pRILLER VAN LEONARD METH00 HOLLOW STEM AUGER <br /> F x <br /> -" BORE HOLE DIAMETER 8 IN DEPTH DRILLED 20 FT DEPTH TO WATER : INITIAL 16.5 FT STATIC — FT <br /> .. CASING TYPE _ DIAMETER IN SCHEDULE INTERVAL _ FT TO ----=—FT <br /> SCREEN TYPE DIAMETER IN SLOT S2E IN INTERVAL —_ FT TO FL <br /> FILTER PACK TYPE - INTERVAL __- - __-__ FT TO - FT <br /> SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL 0 FT TO 21.5 -FT_ <br /> COMMENTS: BENTONITE INTERVAL: 16 FT TO 20 FT. PAGE 1 OF <br /> WELL DEPTH PID SAMPL 0 U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> 0-6.5/10' LEAN CLAY; 10% FN—M, SA—SR, PLRY GRDD SND; 90% FNS; M STIFF <br /> L—M DRY STRNGTH; SLW OLTNCY; M TGHNSS; M PLST; PALE BRN; <br /> 2 NPO; ORGANICS; DRY; N HCL REACTION; WEAK CEMENTATION; HOMO <br /> :.I 4 CL <br /> 3 <br /> - g 0.0 3 <br /> -+ 3 6.5/10--I6' LEAN CLAY; <10% FN, PRLY GROD SND; >90% FNS; H DRY <br /> STRNGTH; N DLTNCY; M TGHNSS; M—H PLST; M STIFF; DUSKY <br /> YLLW BRN; SL—M PO; ORGANICS; MST; WEAK HCL REACTION; WEAK <br /> 8 CEMENTATION; HOMO <br /> SSC—SB8-10.5' <br /> 2 <br /> 50 2 <br /> 2 <br /> —12— CL <br /> 14 <br /> _i SSC—SB8-15' <br /> = 16-16.5/20' ELASTIC SILT; 10% FN, PRLY GRDD SND; 90% FNS; L DRY <br /> 2 STRNGTH; N—SLW DLTNCY; L TGHNSS; L—M. PLST; STIFF; OLIVE <br /> 16 60 <br /> 4 GRY; SL PO; MST; N HCL REACTION; WEAK CEMENTATION; HOMO <br /> 6 <br /> MH <br /> 16.5/20-21.5' SILTY SAND; 707 FN. PRLY GRDD SND; LS; 30% FNS; OLIVE GRY; <br /> 18 NPO; WET; N HCL REACTION; WEAK CEMENTATION; HOMO <br /> G=_ 20 1 SM <br /> 224 22- <br /> 24 <br /> " d 'amu <br /> 28 �. <br /> } 1 sdo. 5G23 <br /> 30 <br /> 5l <br /> 32 rF OF CAL1FG�� <br /> y <br /> 34 <br /> _ J <br /> 36 <br /> :J <br /> :.i 38 <br /> 40 <br /> i <br />