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.l <br /> GROUND ZERO ANALYSIS LOG OF BORING SB4 <br /> PROJECT GABBA D LOCATION 640 NORTH EL_DORAM STOCKTON CA PROJECT NO 256 <br /> DATE DRILLED 1D 2fi/99 LOGGED BY SEAN GARVEY REVIEWED BY JOHN UNE RG 6795 <br /> DRILLING COMPANY FISC}I_ ENVIRONMENTAL, DRILLER DAVE FISCH <br /> METHOD DIRECT PUH <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 31 ET DEPTH TO WATER INITIAL ___ 26 _F7 STATIC 16 EI <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL Er TO Fz <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 PAGE_I OF_L <br /> WELL DEPTH FED SAMPLE ID U 5 C DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 2 <br /> 4 <br /> BEGAN LOGGING AT 9 FEET <br /> 6 <br /> 8 <br /> 10 9-11/14' SANDY LEAN CLAY (CL) 30% 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- <br /> - <br /> 2 <br /> / <br /> �// 11/14-16/19' LEAN CLAY WITH SAND (CL) 20% FN, A. PRLY GRDD SND, BOX <br /> / FNS M-H DRY STRNGTH. N-SLW DLTNCY M-H TGHNSS, M-H <br /> 14 PLST. BRN. NPO, MST <br /> 0 CL <br /> 16 <br /> / <br /> / <br /> / <br /> 18 /� 16/19-21/24' SANDY LEAN CLAY (CL) 3OX FN-M, A-SA, W GRDD SND, 70% <br /> / FNS, H DRY STRNGTH, N-SLW DLTNCY. M-H TGHNSS, M-H PLST, <br /> GAB-584-20' / BRN, NPO, MST <br /> 20 0 CL <br /> 22- 21/24-26/29 SILT WITH SAND (ML) 20% FN-M, A-SA, W GRDD SND, BOX <br /> FNS, L DRY STRNGTH, SLW DLTNCY, L-M TGHNSS, L-M PLST. <br /> 24 BRN. NPO, WET <br /> 0 ML <br /> 26 <br /> _ GAB-SB4-GW 26' <br /> 28 <br /> GAB-SB4-31' 26/29-30 5' WELL GRADED SAND (SW) 100% FN-CRS. A-SA, W GROG SND. <br /> 0 SW TRC FNS, BRN/WHT, NPO. WET <br /> 3a <br /> CL LEAN CLAY (CL) <5% FN. A SNO, >95% FNS. H DRY STRNGTH. <br /> H DRY STRNGTH, N-SLW DLTNCY, H TGHNSS H PLST, BRN WET <br /> -32- <br /> D GFO <br /> 34 <br /> JOHN P .� <br /> 36 <br /> LANE <br /> N N 6795 <br /> 3a <br /> F aF C <br /> 40 <br />