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GROUND ZERO ANALYSIS LOG OF WELL MW3 <br /> PROJECT GABBARD LOCATION 640 NORTH ELDORADO, STOCKTON CA PROJECT NO 256 <br /> DATE DRILLED 12f 14/00 LOGGED BY SEAN GARVEY REVIEWED BY JOHM P LANE RG No 6795 <br /> DRILLING COMPANY _CASCADE ENVIRONMENTAL_ __ DRILLER ERNEST GUTIERREZ METHOD _HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER a IN DEPTH DRILLED _ 32 5 FT DEPTH TO WATER INITIAL _24 FT STATIC 21 9_ Il <br /> CASING TYPE PVC BAD DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 7 EI <br /> SCREEN TYPE Pvc F4a0 DIAMETER 2 IN SLOT SIZE 0.010 IN, INTERVAL 7 FT TO 32 FT <br /> FILTER PACK TYPE 2/12 SAND _—___ INTERVAL 5. FT TO 32S FT <br /> SURFACE SEAL TYPE -2' BENTONITE, 3' CONCRETE INTERVAL 0 FT TO -- 5 FT <br /> COMMENTS WW3 IS A TWINNED BORING OF S133. SEE SB3 LOG FOR ADDITIONAL STRATIGRAPHIC DETAIL PAGE 1 OF 1 <br /> WELL DEPTH FID USC DESCRIPTION <br /> DETAIL FT (PPM) BLOWCOUNT LOG <br /> 2 <br /> FILL 0-5' FILL MATERIAL (FROM S133 LOG) <br /> 4 <br /> 6 <br /> 5-13/14' LEAN CLAY (CL) 5-10% FN, A SNO, 90-95% FNS, M-H <br /> DRY STRNGTH, N-SLW DLTNCY, M-H TGHNSS M-H PLST, <br /> 8 CL ELK, STRNG PO, DRY <br /> 10 <br /> 12 19 <br /> _ 2000 24 <br /> — 43 <br /> 13/14-16/19' SILT (ML) FROM SB3 LOG <br /> 14 <br /> ML <br /> 16 <br /> 18 <br /> 16/19-26/29' SILTY CLAY (CL/ML) 5-10% SND 90-95% FNS, M-H <br /> DRY STRNGTH, N-SLW DLTNCY, M-H TGHNSS, M-H PLST, <br /> _ BRN-BLCK, STRNG PO, MST <br /> 20- <br /> 22— 28 <br /> 800 25CL/ML <br /> 33fl <br /> = 24 <br /> 26 <br /> = 28 <br /> 26/29-32 5' WELL GRADED SAND (SW) 95-100% FN-CRS, A-SR, W GRDD <br /> 30 SND, 0-5% FNS, GRY/WHT, M-STRNG PO, WET <br /> 15 sw <br /> 32 600 2:5t RE� C'Fp� <br /> 30 <br /> 34 Q .lOFN P. <br /> • L INE <br /> N 6q 795 <br /> 36 Ni <br /> 38— C <br /> 40 <br />