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GROUND ZERO ANALYSIS LOG OF BORING S137 <br /> • PROJECT GABBARD LOCATION PROJECT NO 256 <br /> DATE DRILLED 10/27/99 LOGGED BY SEAN GARVEY REVIEWED BY JOHN LANE RG 6795 <br /> DRILLING COMPANY FISCH ENVIRCNUENAL. DRILLER DAVE FISCH METHOD DIRECT PUSH <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 31 FT DEPTH TO WATER INITIAL 24 FT STATIC 14 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 D FF TO 31 FT <br /> COMMENTS PAGE 1 OFA <br /> WELL DEPTH FID SAMPLE U S C DESCRIPTION <br /> DETAIL F( PPM BLOWCOUNT LOG <br /> 2 <br /> BEGAN LOGGING AT 9 FEET <br /> 4 <br /> 6 <br /> 8 <br /> 10 9-11/14' SANDY LEAN CLAY (CL) 30% A, PRLY GRDD SND, 70% FNS, <br /> 0 CL H DRY STRNGTH, SLW DLTNCM-, M-H TGHNSS, M-H PLST, LT BRN, <br /> NPO, DRV <br /> 12 11/14-16/19' SILTY CLAY (CL/ML) <15% FN, A. PRLY GRDD SND, >95% FNS, <br /> M-H DRY STRNGTH, SLW DLTNCY. M-H TGHNSS, M-H PLST, LT <br /> 14 BRN, NPO, DRY-MST <br /> • <br /> 0 CL/uL <br /> 16 <br /> 18 / <br /> GAB-SW-20' / 16/19-24 5' SILTY CLAY WITH SAND (CL/ML) 15% FN, A. PRLY GRDD SNO, 85% <br /> FNS, M-H DRY STRNGTH, SLW DLTNCY, Y-H TGHNSS, M-H PLST, LT <br /> 20 7 CL/YL RRN, NPO, MST TO WET <br /> 22 <br /> 245-26/29' WELL GRADED SAND (SW) >95% FN-M, A. W GRDD SND, <5% <br /> 24 <br /> FNS. BRN/WHT, NPO, WET <br /> = <br /> 10 GAB-SB7-GW 24' <br /> 26 SW v <br /> 28 26/29-31' LEAN CLAY (CL) <5% FH, A SNO, >95% FNS, H DRY STRNGTH, <br /> N-SLW DLTNCY, M-H TGHNSS N-H PLST, LT BRN, NPO, WET <br /> GAB-SB7-37' <br /> 30 a CL <br /> _32— v---[0) G <br /> FQC� <br /> 34 JOHN P. a <br /> LANE <br /> • 6795 <br /> 36 CPA ` `f <br /> 301OF C <br /> 40 <br />