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GROUND ZERO ANALYSIS LOG OF BORING S86 <br /> • PROJECT GABBARD LOCATION 640 NORTH FI 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 FILCH ENVIRONMENTAL DRILLER DAVE FISCH METHOD .DIRECT PUSH <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 37 F1 DEPTH TO WATER INITIAL 29 FT STATIC 10.5 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 FL TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT OVER BENTONITE INTERVAL 0 FT TO 37 FT <br /> COMMENTS PAGE 1 OFA <br /> WELL DEPTH FID SAMPLE ID U SC. DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 2 <br /> 4 <br /> BEGAN LOGGING AT B FEET <br /> 6 <br /> B <br /> 9-11/14' LEAN CLAY (CL) 10% FN, A. PRLY GRDD SNO 90% FNS H <br /> 10 DRY STRNGTH. N-SLW DLTNCY, M TGHNSS. M-H PLST, ERN, <br /> p CL NPO, DRY <br /> 12 <br /> 11/14-16/19' SILT WITH SAND (ML) 15% FN SND, 65% FNS, L DRY STRNGTH. <br /> • GAB-S96-15' SLW DLTNCY. L-M TGHNSS, L-M PLST. BRN, NPO. DRY-MST <br /> 14 <br /> D ML <br /> 16- <br /> 16/19-21/24- SILTY CLAY (CL/ML) 5-10% FN. A SND, 90-95% FNS. <br /> lg M DRY STRNGTH, N-SLW DLTNCY, M TGHNSS, M PLST, GRY. <br /> CAB-5E6-20' SL-M PO, DRY-MST <br /> 20 3,000 CL/ML <br /> 22 21/24-26/29' SILT (ML) <5% SND, >95% FNS, L DRY STRNGTH, SLW-R <br /> DLTNCY, L-M TGHNSS, L-M PLST, GRY, SL PO, MST <br /> CAB-S86-25' <br /> 24 <br /> 5 ML <br /> 26 <br /> 26/29-31/35' WELL GRADED SAND (SW) 100% FN-CRS, A-SA. W CRDO SNO, <br /> TRC FNS, BRN/WHT, NPO, WET <br /> 2B <br /> GAB-S96-31' <br /> 30 0 GAB-SB6-GW 29' <br /> SW - <br /> -32- <br /> 31/35-37- SILTY CLAY (CL/ML) <5% FN SND, >95% FN SPED <br /> 31 STRNGTH, N-SLW DLTNCY, M TGHNSS, N PLST 0, O <br /> MST-WET Ci <br /> • ¢ JOHN P u'A <br /> 36 0 CL/ML LANCE I <br /> m ND 6795 ' <br /> -38- <br /> - <br /> 8 <br /> F OF <br /> 40 <br />