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rr ,� <br /> ll <br /> LOG OF BORING SB1 <br /> PROJECT SEGALLI BUILDING LOCATION 200 WEST HARDING WAY, STOCKTON CA PROJECT NO. 150052"01 <br /> DATE DRILLED 10/12/93 LOGGED BY TOM LUTTERMAN REVIEWED BY GREG P. STAHL <br /> DRILLING COMPANY WESTEX DRILLER MARK DOCKREY METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 6 IN DEPTH DRILLED 34.5 FT DEPTH TO WATER INITIAL STATIC _Q <br /> CASING TYPE NA DIAMETER IN_ SCHEDULE INTERVAL FT TO __—__ FT <br /> SCREEN TYPE NA DIAMETER, IN SLOT SIZE IN INTERVAL FT TO FT <br /> FILTER PACK TYPE NA INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NAT CEMENT INTERVAL 0 FT TO 34.5 FT <br /> COMMENTS: 45'ANGLE TO VERTICAL PAGE 1 OF 1 <br /> WELL DEPTH PID SAMPLE 10 U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> 0-3' ASPHALT <br /> 37-22/25' CLAYEY SAND; 60% FN-CRS, FN, SA-SR, PRLY GRDD SND; 40% <br /> 2 FNS; LS; SLW DLTNCY; L TGHNSS; N PLST; M BRN; NPO; MST; N HCL <br /> REACTION; WEAK CEMENTATION; HOMO <br /> 4 <br /> 6 <br /> 8 <br /> 10 <br /> Sc <br /> —12- <br /> -14- <br /> 18 16 <br /> 18 <br /> 20 SB-SB1-2t' <br /> 30 <br /> 35 <br /> 22 5D <br /> 22/25-30/34.5' LEAN CLAY; <10% FN, PRLY GRDD SND; >90% FNS; M-H DRY <br /> STRNGTH; N-SLW DLTNCY; L TGHNSS; M PLST; M BRN; NPO; MST; <br /> WEAK HCL REACTION; WEAK CEMENTATION; HOMO <br /> —24- <br /> 26- <br /> 28- <br /> 42628 CL <br /> 30 30/34.5-36.5' LEAN CLAY WITH SAND; 157 FN, SA-SR, PRLY GRDD SND; 857 <br /> FNS; H DRY STRNGTH; N DLTNCY; L TGHNSS: M-H PLST; M SRN <br /> WITH PALE YLLW 6RN & LT SRN; NPO; MST; N HCL REACTION; <br /> 32 WEAK CEMENTATION; MOTTLED <br /> 34 SB-SBT-35' <br /> CL <br /> 35 <br /> 40 <br /> 50 <br /> 36 <br /> 38 <br /> 40 <br />