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GROUND ZERO ANALYSIS LOG OF BORING SB2 <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 1 75IN DEPTH DRILLED 26 FT DEPTH TO WATER INITIAL 9.5 FT 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 NEAT CEMENLSaRQ.lJ7.__, INTERVAL 0 FT TO 26 FT <br /> COMMENTS PAGE I_OF_.L_ <br /> WELL DEPTH FID SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 0-6/9' WELL GRADED SAND (SW) 95X FN-M, A-SA, W GRDD SND, <br /> 2 5% FNS, DIRK BRN, SL P0, MST <br /> — 4 - <br /> - <br /> SW <br /> 200 <br /> 6 6/9-11/14' WELL GRADED SAND (SW) 99-100% FN-CRS, A-SR, W GRDD <br /> SND, TRC FNS, GRY, M-STRNG P0, WET <br /> 8 / <br /> / <br /> TBT-SB2-10' <br /> 10 8,000 SW <br /> 12 <br /> 11/14-15' SILT (ML) 10X FN, A SND, 90% FNS, N DRY STRNGTH, 5LW-R <br /> TBT--SB2-15' DLTNCY, L TGHNSS, N PLST, GRY, SL PO, WET <br /> 14 <br /> ML <br /> . 10 <br /> 15-16/19' LEAN CLAY (CL) 5% FN, A SND, 95% FNS, H DRY STRNGTH, <br /> CL N-SLW DLTNCY, M-H TGHN55, M-H PLST, GRY, SL-M P0, MST- <br /> 16WET <br /> —18- 16/19-21/24' CLAYEY SAND (SC) 85% FN-CRS, A-SR, W GRDD SND, 15% <br /> FNS, BRN, V SL P0, MST-WET <br /> 20 6 SC <br /> —22- <br /> 21/24-26' WELL GRADED SAND (SW) 90% FN-CRS, A-SR W GRDD SND, <br /> 24 TBT-SB2-25' 5% FN, SA, PRLY GRDD GRVL, 5% FNS, BRM, NPO, WET <br /> sw <br /> 1 <br /> —26- <br /> 28— <br /> _30- <br /> 32- <br /> -34- <br /> 36- <br /> 38 <br /> 40 <br />