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GROUND ZERO ANALYSIS LOG OF WELL MW2 <br /> PROJECT GABBARD LOCATION 640 NORTH ELDORADO, STOCKTON CA PROJECT N0. 256 <br /> DATE DRILLED _12/13/00 LOGGED BY SEAN GARVEY REVIEWED BY JOHN P. LANE RG No 6795 <br /> DRILLING COMPANY CASCADE ENVIRONMENTAL DRILLER ERNEST GUTIERREZ METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER B IN DEPTH DRILLED 32 ET DEPTH TO WATER INITIAL 23.5 FT STATIC 22.3 FT <br /> CASING TYPE PVC F480 DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 7 FT <br /> SCREEN TYPE PVC F480 DIAMETER 2 IN SLOT SIZE 0.010 IN INTERVAL 7 FT TO 32 FT <br /> FILTER PACK TYPE 2/12 SAND INTERVAL 5 FT <br /> TO 32 FT <br /> SURFACE SEAL TYPE 2' BENTONITE: 3' CONCRETE INTERVAL 0 FT <br /> TO 5 FT <br /> COMMENTS: PAGE I OF 1 <br /> WELL D PTH ID SAM U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> 2 0-5.5/7.5' LEAN CLAY (CL): 0-57. FN, A SND; 95-100% FNS', H DRY <br /> = STRNGTH. N DLTNCY, M—H TGHNSS, M PLST, BRN, NPO, DRY <br /> 4 CL <br /> 0 50 <br /> 50 <br /> fi i <br /> i <br /> j 5.5/7.5-10.5/14.5' LEAN CLAY (CL): 5-10% FN, A SND; 90-95% FNS, H DRY <br /> B i STRNGTH, N—SLW DLTNCY, M TGHNSS, M PLST, BRN, NPO, <br /> DRY <br /> 10 27 <br /> p 50 CL <br /> 12 <br /> —14- 10.5/14.5-21/24.5' SILTY CLAY (CL/ML): 10-15% FN, A SND; 65-90% FNS, <br /> 17 M—H DRY STRNGTH. N—SLW DLTNCY, M TGHNSS, M PLST, <br /> 0 26ow 16 58 BRN, NPO, DRY <br /> 18 CL/ML <br /> GAB—MW2-20' <br /> —20— <br /> 19 <br /> 0 20 <br /> — 19 <br /> — 22 <br /> _ 24 <br /> 1B 21/24.5-30' WELL GRADED SAND (SW): 95-100% FN—CRS, A—SR, W <br /> O 20 GRDD SND; 0-5% FNS, BRN/WHT, NPO, WET <br /> 26 27 <br /> SW <br /> 28- <br /> 30-31' SILT (ML): 0-5% FN, A SND; 95-100% FNS, N DRY <br /> 30 15 STRNGTH, R DLTNCY, L TGHNSS, N PLST, 9RN, NPO, WET <br /> 0 25 ML <br /> 16 CL 31-32' SILTY CLAY (CL/ML); 0-59 FN, A SND; 95-100% FNS, <br /> 32 0 19 M-H DRY STRNGTH, N DLTNCY, M-H TGHNSS, M-H PLST, <br /> BRN, WET ED G <br /> 34 G l `Q <br /> ¢k` JOIN P. <br /> 36 a LAnNE <br /> N N0. 6795 <br /> 36 <br /> OF CA4'F� <br /> 40 <br />