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>� GROUND ZERO ANALYSIS LOG OF BORING SB1 <br /> PROJECT TUFF BOY TRAILER LOCATION 5151 ALMONDWOOD, MANTECA CA PROJECT NO. 335 <br /> DATE DRILLED 12/17/99 LOGGED BY SEAN GARVEY REVIEWED BY JOHN P. LANE RG No. 6795 <br /> DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER R. BERTILLO METHOD DIRECT PUSH <br /> BORE HOLE DIAMETER X14 DEPTH DRILLED 26 FT DEPTH TO WATER : INITIAL 4.5__--FL STATIC FT <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 HEAT CEMENT GROUT INTERVAL 0 FT TO 26 FT, <br /> COMMENTS: PAGE__L._OFA <br /> WELL DEPTH FID SAMPLE ID U.S.C, DESCRIPTION <br /> DETAIL FT. (PPM) BLOWCOUNT LOG <br /> 0-6/9' WELL GRADED SAND (SW): 957. FN-M, A-SA, W GRDD SND: <br /> 2 5% FNS. SRN, SL P0, MST <br /> 4 SW <br /> 100 <br /> 6 6/9-11/14' WELL GRADED SAND (SW): 99-100% FN-CRS, A-SR, W GRDD <br /> l SND, TRC FNS, GRY, M-STRNG PO, WET <br /> 8 / <br /> TBT-SBI-10' - 17 <br /> 14 6,000 SW <br /> 12 <br /> • 14 TBT-SBI-15` <br /> 11/14-2I/24' CLAYEY SAND (SC); 857. FN-CRS. A-SR TO A-SA, W GRUB SND; <br /> 2 15% FNS, SRN, WET, SL PO ® 14 FT. <br /> 16 <br /> SB Sc <br /> yO <1 <br /> —22- <br /> 21/24-26- SILT (ML): 25% FN. A, PRLY GRDD SND: 75% FNS, N-L DRY <br /> 24 TBT-581-25' <br /> STRNGTH, SLW-R DLTNCY, L TGHNSS, N PLST, BRN, NPO, MST <br /> ML <br /> <1 <br /> —26- <br /> 2B- <br /> -30— <br /> 30 \� O E© GE�l <br /> 32 <br /> JOHN P. a <br /> LANE <br /> NENo. 0795 <br /> cP� <br /> 36 <br /> F OC <br /> 38 <br /> 40 <br />