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t pA9 � Awv LOG OF BORING 5810 PROJECT STOCKTON/SMITH CANAL LOCATION 2144 FONTANA, STOCKTON CA PROJECT NO. W0365.02 DATE DRILLED 08/05/93 LOGGED BY TOM J LUTTERMAN REVIEWED BY _ GREG P. STAHL_R; No_ 5023 DRILLING COMPANY SPECTRUM EXPLORATION DRILLER VAN LEONARD METHOD HOLLOW STEM AUGER BORE HOLE DIAMETER 10 IN DEPTH DRILLED24 FT DEPTH TO WATER INITIAL 16 FT STATIC - FT FT- CASING TYPE - DIAMETER IN SCHEDULE INTERVAL FT TO } J SCREEN TYPE - DIAMETER IN SLOT SIZE ILL INTERVAL _ FT TO �T ## FILTER PACK TYPE INTERVAL FT TO — FT SURFACE SEAL TYPE NEAT CEMENT OVER 4 FEET OF BENTONITE INTERVAL o FT TO 21.5 FT COMMENTS. PAGE!OF WELL DEPTH PID SAMPLE 10 U.S.C. DESCRIPTION 1 DETAIL FT. PPM BLOWCOUNT LOG I 0-0.5' ASPHALT 0.5-3' POORLY GRADED GRAVEL; 10% FN-M, SA-SR. PRLY GRDD SND; 2 GP 85% FN-M, SA-SR, PRLY GRDD GRVL; 5% FNS; M BRN; NPO; DRY; N NCL REACTION; WEAK CEMENTATION, HOMO 11.5/14' LEAN CLAY: <107. FN, PRLY GRDD SND; >907: FNS; H DRY 0.0 2 STRNGTH; N DLTNCY; M TGHNSS: H PLST; M STIFF; DUSKY E 3 YLLW BRN; NPO; MST; N HCL REACTION; WEAK CEMENTATION;- ' 6 3 HOMO CL SSL-SB10-103' F -10- 0.0 3 3 10 12 / 1 / 11.5/14-15.5/20' LEAN CLAY WITH SAND; 15% FN, PRLY GRDD SND; 85% FNS; H DRY STRNGTH; SLW DLTNCY; L-M TGHNSS; M PLST; STIFF; ORK 14 SSL-5910-14' / YLLW BRN; SL-M DIESEL DOOR; MST; N HCL REACTION; WEAK 50 2 CL CEMENTATION; HOMO -- 4 I 18 15.5/20-21.5' POORLY GRADED SAND WITH SILT; 909. FN, PRLY GRDD SND; } LS; 10% FNS; OLIVE GRY: NPO; WET; N NCL REACTION; WEAK CEMENTATION: HOMO 20 0.0 2 SP-SM r 22- 24- 26- 2 24 v 28 GREGORY P. ` STAHL 30 No. 5023 T; 32- - 2 l9l \Q' OF CALIF —34- -36- 38— AO 4 3638AO c