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�� LOG OF BOMG SM a®�v�� PROJECT STOCKTON/SMITH CANAL LOCATION 2144 FONTANA. STOCKTON CA PROJECT NO. W0365.02 DATE DRILLED 08/04/93 LOGGED BY TOM J LUTTERMAN REVIEWED BY GREQ P. STAHL RG No, 5023 r.�. DRILLING COMPANY SPECTRUM EXPLORATION DRILLER VAN LEONARD METHOD HOLLOW STEM AUGER `i BORE HOLE DIAMETER B IN DEPTH DRILLED 20 FT DEPTH TO WATER : INITIAL 16.5 FT STATIC — FT CASING TYPE — DIAMETER -- IN SCHEDULE INTERVAL — FT TO — FT SCREEN TYPE — — DIAMETER IN SLOT SIZE _ IN INTERVAL _ FT TO _ FT FILTER PACK TYPE INTERVAL FT TO FT SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL 0 FT TO 21.5 FT i COMMENTS: BENTONITE INTERVAL: 16 FT TO 20 FT, PAGE OF I x=:$ WELL DEPTH PID t AM LU.S.C. DESCRIPTION f; DETAIL FT. PPM BLOWCOUNT LOG 0-6.5/10' LEAN CLAY; 10% FN—M, SA—SR, PLRY GRDD SND; 90% FNS: M STIFF L—M DRY STRNGTH; SLW DLTNCY; M TGHNSS; M PLST; PALE BRN; [E 2 NPO; ORGANICS: DRY: N NCL REACTION: WEAK CEMENTATION; HOMO e � 4 CL 3 g 0.0 3 3 6.5/10-16' LEAN CLAY; <10% FN, PRLY GRDD SND; >90% FNS; H DRY ix- STRNGTH; N DLTNCY; M iGHN55; M—H PLST; W STIFF; DUSKY YLLW BRN; SL-11 P0; ORGANICS; MST; WEAK HCL REACTION; WEAK 8 CEMENTATION; HOMO SSC—S98-105' i —10- 2 i 50 2 2 12 CL 14 SSC-598-15' 16-16.5/20' ELASTIC SILT: 10% FN, PRLY GRDD SND; 90% FNS; L DRY ==, 2 STRNGTH; N—SLW DLTNCY; L TGHNSS; L—M PLST; STIFF; OWE 4 GRY: SL PO; MST; N HCL REACTION; WEAK CEMENTATION; HOMO _ 18 60 6 MH 16.5/20-21.5' SILTY SAND; 70% FN, PRLY GRDD SND; LS; 30% FNS; OLIVE GRY: ii' 18 NPO; WET; N HCL REACTION; WEAK CEMENTATION; HOMO 20 1 SM 0.0 2 22 i;<. 24 25 ,�`��D GEGro LIP 28GREGORY P. STAHL N0. 5023 32 �l9jE OF CAI�E�Qa`P �. 34 is 1 36 i 38 40