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GROUND ZERO ANALYSIS LOG OF BORING SB5 <br /> • PROJECT GABBARD LOCATION _640 NORTH EL DORADO STOCKTON CA PROJECT NO 256 <br /> DATE DRILLED 10/26/99 LOGGED BY SEAN GARVEY <br /> DRILLING COMPANY EISCH FNVIRONu N7 REVIEWED <br /> DRILLER OAYE f15CH METHOD DIRRJOHN LANE RC 8795 <br /> ECT PUSH <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 31 FT DEPTH TO WATER INITIAL 26 FT STATIC 22 FT <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT <br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL ET TO FT <br /> FILTER PACK TYPE NA INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT OVER BENTONITE INTERVAL 0 FT TO 51 FT <br /> COMMENTS <br /> PAGE_I OF—t— <br /> WELL DEPTH FID SAMPLIE 10 UC IDESCRIPTION <br /> DETAIL (Fr (PPM) BLOWCOUNT LOG <br /> 2 <br /> BEGAN LOGGING AT 9 FEET <br /> 4 <br /> 6 <br /> 8 <br /> 10 0 <br /> 9-16/19' LEAN CLAY WITH SAND (CL) 2O,Z FN, A. PRLY GROD SND, 80% <br /> 12 FNS, M-H DRY STRNGTH, N-SLW DLTNCY, M TCHNSS, M-H PLST, <br /> NPO, DRY-MST <br /> CL <br /> • 14- <br /> 0 <br /> 16 <br /> 1B <br /> GAB-S95-20' <br /> 16/19-21/24' SILTY CLAY (CL/ML) 1057 FN, A SND, 90% FNS, N DRY STRNGTH, <br /> 20 0 JCL/ML SLW DLTNCY, M TCHNSS, H PLST, NPO, MST <br /> 22 <br /> 21 <br /> O <br /> 26 —_ <br /> ML _ GAB-SB5-GW 26' <br /> 2B v <br /> CAB-S85-3I' 21/24-31' SILT (ML) <5% SND, >95% FNS, L DRY STRNGTH, SLW DLTNCY, <br /> —3()- 0 L TCHNSS, L PLST, NPO, WET <br /> 32r�PEO GF0, <br /> 34 ¢� JOHN P a <br /> LANE <br /> ss 67o 6795 <br /> CPA s(' <br /> 38OF CAVAQ� . <br /> 40 <br />