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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 6795 <br /> DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER DAVE FISCH METHOD DIRECT PUSH <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 37 FS_ 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 FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT OVER BENTONITE INTERVAL 0 FT TO — 37— FT <br /> COMMENTS PAGE_ I_OFA <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 /> 10 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 FHS, 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 /> —is— 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) <5% SND, >95% FNS, L DRY STRNGTH, SLW—R <br /> DLTNCY, L—M TGHNSS, L—M PLST. GRY, SL P0, MST <br /> 24 GAB-5B6-25' <br /> 5 ML <br /> 2fi <br /> 26/29-31/35' WELL GRADED SAND (SW) 100% FN—CRS, A—SA, W GRDD SND, <br /> TRC FNS, BRN/WHT, NPO, WET <br /> _/ 1�7 <br /> 28 <br /> GAB-06-31' <br /> 30 0 GAB—SBS—GW 29' <br /> SW = <br /> 32 <br /> GRED GF <br /> 31/35-37' SILTY CLAY (CL/ML) <SX FN SND, >95X FN 4Y <br /> 34 STRNGTH, N—SLW DLTNCY. M TGHNSS. M PLST 0. O <br /> MST—WET 051, <br /> — — t/— <br /> a CL/ML JOHN P tp1 <br /> 36 LANC s <br /> N No 6795 <br /> .� <br /> 38 <br /> F pF <br /> 40 <br />