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LOG OF BORING SB7 <br /> PROJECT STOCKTON/SMITH CANAL LOCATION 2144 FONTANA, STOCKTON CA PROJECT NO. W0365.02 <br /> f OATS DRILLED 08/04/93 LOGGED BY TOM LUTTCRMA14 REVIEWED BY GREG P. STAHL RG No. 5023 <br /> F ORILLiNG COMPANY SPECTRUM EXPLORATION DRILLER VAN LEONARD METHOD HOLLOW STEM AUGER <br /> "'✓ 80RE HOLE DIAMETER 6 IN DEPTH DRILLED 15 FT DEPTH TO WATER INITIAL 15.5 FT STATIC F� <br /> CASING TYPE NA DIAMETER _ 1N SCHEDULE INTERVAL _-. FT TO FT <br /> SCREEN TYPE NA DIAMETER N SLOT SIZE IN INTERVAL FT TO FL <br /> FILTER PACK TYPE NA INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT OVER 2' OF BENTONITE INTERVAL 0 FT TO 16.5 FT <br /> { <br /> COMMENTS: PAGE i OF i <br /> WELL DEPTH PID SAMPLE ID U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> !J 0-0.5' ASPHALT <br /> 0.5-3' POORLY GRADED GRAVEL; 107 FN-M, SA-SR, PRLY GRDD SND; 857 FN-M, <br /> F. GP <br /> 2 SA-SR, PRLY GRDO GRVL; 5% FNS; M BRN; NPO; ORGANICS; DRY; <br /> N HCL REACTION; WEAK CEMENTATION; HOMO <br /> F: 4 3-11' POORLY GRADED SAND WITH SILT; 907 FN-M, SA-SR, PRLY GRDD SND; <br /> - SSC-SB7-5 5' V LS-M DNS; 10% FNS; PALE YLLW BRN; NPO; MST; N NCL REACTION; <br /> 0.0 10 WEAK CEMENTATION; HOMO <br /> 0 <br /> F._, SP-SM <br /> 8 <br /> ;a <br /> 10 55C-567-10.5' <br /> I <br /> 1 <br /> D.0 2 11-16' LEAN CLAY; G10% FN-M, SA-SR, PRLY GRDD 5NU; >90% FNS; H DRY <br /> 12 <br /> STRNGTH; N OLTNCY; M TGHNSS; M PLST; V STIFF; DUSKY YLLW BRN; <br /> NPO: ORGANICS; MST-WET; N HCL REACTION; WEAK CEMENTATION; <br /> HOMO; M-STRNG DIESEL ODOR AT 15-16' <br /> SP-SM 16-16.5' LEAN CLAY WITH SAND; 20% FN-M, PRLY GRDD SND; 80% FNS; M-H DRY <br /> 14 STRNGTH; N-SLW OLTNCY; M TGHNSS; M PLST; M STIFF; LT OLIVE GRY; <br /> M-STRNG DIESEL ODOR; WET; N HCL REACTION; WEAK CEMENTATION <br /> -.0 2 <br /> �' ,.•r� 85 2 <br /> 16 5 CL <br /> �a <br /> 'a <br /> _20- <br /> 22- <br /> -24- <br /> 26 <br /> 02224 26 <br /> 1►� <br /> 30 <br /> F C wYl� <br /> —32— <br /> 34 <br /> < 36 <br /> 38 <br /> rl f <br /> 40 <br /> aJ <br />