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GROUND ZERO ANALYSIS <br /> LOG OF BORING S84 <br /> • PROJECT GABBARD LOCATION 640 NORTH EL DORADO STOCKTON CA PROJECT NO 256 <br /> DATE DRILLED 10/26/99 LOGGED BY SEAN GARVEY REVIEWED BY JOHN LANE RG 6795 <br /> DRILLING COMPANY FISCR ENVIRONM NTA DRILLER _DAVE FISCH METHOD DIRECT PUSH _ <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 31 FT DEPTH TO WATER INITIAL 26 FT STATIC 16 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 CEMENT GROUT OVER BENTONITE INTERVAL 0 FT TO 31 FT <br /> COMMENTS <br /> WELL DEPTH FID -TAWF= USC PAGE 1 OF_L <br /> DETAIL FT PPM BLOWCOUNT LOG DESCRIPTION <br /> 2 <br /> 4 <br /> BEGAN LOGGING AT 9 FEET <br /> 6 <br /> B <br /> 10 9-11/14• SANDY LEAN CLAY (CL) 30S FN. A-SA, PRLY GRDD SND, 70% <br /> 0 FNS M DRY STRNGTH, SLW DLTNCY. M TGHNSS M-H PLST, TAN- <br /> CL LT BRN. NPO, DRY-MST <br /> 12 i <br /> i <br /> 11/1A-16/19' LEAN CLAY WITH SAND (CL) 20S FN, A. PRLY GRDD SND, 80% <br /> • i <br /> 14 FNS M-H DRY STRNGTH, N-SLW DLTNCY M-H TGHNSS, M-H <br /> PLST, BRN, NPO, MST <br /> 0 CL <br /> 16 <br /> i <br /> 16 j, 16/19-21/24' SANDY LEAN CLAY (CL) 305 FN-M, A-SA, W GRDD SND, 70% <br /> FNS, H DRY STRNGTH, N-SLW DLTNCY, M-H TGHNSS, M-H PLST. <br /> 0581-20' BRN, NPO, MST <br /> 20 0 CL <br /> 22 <br /> 21/24-26/29 SILT WITH SAND (ML) 20% FN-N, A-SA, W GRDD SND, BOX <br /> FNS. L DRY STRNGTH, SLW DLTNCY. L-M TGHNSS, L-M PLST, <br /> 24 BRN, NPD, WET <br /> 0 ML <br /> 26 <br /> GAB-SB4-GW 76- <br /> _28- v <br /> CAB-SB4-31' 25/29-305- WELL GRADED SAND (SW) t00S FN-CRS. A-SA. W GROG SND, <br /> 30 <br /> 0 SW TPC FNS, BRN/WHT. NPO, WET <br /> CL 30 5-31' LEAN CLAY (CL) <SR FN, A SNO, >95S FNS, H DRY STRNGTH, <br /> H DRY STRNGTH, N-SLW DLTNCY. H TGHNSS H PLST. BRN WET <br /> 32- <br /> D GFp <br /> 34 \5 �Q <br /> • ¢ JOHN P <br /> 36 LAN-C <br /> N N 6795 <br /> 38 <br /> F pF O AL`Fpe`; <br /> r <br /> 40 <br />