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GROUND ZERO ANALYSIS LOG OF BORING SB6 <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 5795 <br /> DRILLING COMPANY FISCH ENVIRGNMENTAL DRILLER DAVE FISCH METHOD DIRECT PUSH <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 37 ET 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 r TO -FT <br /> FILTER PACK TYPE _NA INTERVAL FT_ TO -FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT OVER BENTONITE INTERVAL 0 FL TO w 37 _ FT. <br /> COMMENTS PAGE-I OF-.,1,_ <br /> WELL DEPTH FED SAMPLE ID U SC. DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 2 <br /> 4 <br /> BEGAN LOGGING AT 9 FEET <br /> 6 <br /> 8 <br /> 9-11/14' LEAN CLAY (CL) 10% FN, A. PRLY GRDD SND 90% FNS H <br /> 1 D DRY STRNGTH, N-SLW DLTNCY, M TGHNSS, M-H PLST, BRN, <br /> 0 CL NPO, DRY <br /> 12 <br /> 11/14-16/19' SILT WITH SAND (ML) 15% FN SND, 85x FNS, L DRY STRNGTH, <br />• 14 GAB-S86-115'5' SLW DLTNCY, L-M TGHNSS, L-M PLST. BRN, NPO, DRY-MST <br /> 0 ML <br /> 16- <br /> 16/19-21/24- SILTY CLAY (CL/ML) 5-10x FN, A SND, 90-95% FNS, <br /> 1 a M DRY STRNGTH, N-SLW DLTNCY, M TGHNSS, M PLST. GRY, <br /> GAB-586-20' SL-M PO. DRY-MST <br /> 20 3,000 CL/ML <br /> 22 21/24-26/29' SILT (ML) <5x SND, >95% FNS, L DRY STRNGTH, SLW-R <br /> DLTNCY, L-M TGHNSS, L-M PLST. CRY, SL P0, MST <br /> 24 GAB-SBS-25' <br /> 5 ML <br /> 2fi <br /> 26/29-31/35' WELL GRADED SAND (SW) 100% FN-CAS, A-SA. W GRDD SND, <br /> TRC FNS, BRN/WHT, NPO, WET <br /> —28— <br /> GAS-S86-31'_ <br /> 300 GAB-SBS-GW 29' <br /> SW - <br /> 32- <br /> 31/35-37- <br /> 231/35-37' SILTY CLAY (CL/ML) <5x FN SNO. >95X FN BRED GF O <br /> 34 ►S{S N TH.-WET N-SLW DLTNCY. M TGHNSS. M PLST 0. 0 <br /> - - t/- tp <br /> ,360 CL/ML <br /> LANG 0 1 <br /> No 6795 � <br /> .� <br /> 3a <br /> F pF VF <br /> 40 <br />