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GROUND ZERO ANALYSIS LOG OF WELL MW1 <br /> PROJECT TUFF BOY TRAILERS LOCATION 5151 ALMONDWOOD DRIVE, MANTECA CA. PROJECT NO. 335 _ <br /> DATE DRILLED 01/22/01 LOGGED BY SEAN GARVEY REVIEWED BY JOHN P. LANE RG No. 6795 <br /> DRILLING COMPANY VAW WELL DRILLING DRILLER KEVIN CROSS METHOD HOLLOW STEL AUGER <br /> BORE HOLE DIAMETER B IM- DEPTH DRILLED 20 FT DEPTH TO WATER : INITIAL. e.8 FT STATIC 7.4 FL <br /> CASING TYPE PVC F48O__ DIAMETER SEL SCHEDULE 40 INTERVAL 0 El TO 5 FT <br /> SCREEN TYPE vvc FASO DIAMETER 2 IN SLOT SIZE _ 0.010 IN INTERVAL 5FT TO 20 EI <br /> FILTER PACK TYPE 9/12 NANO INTERVAL 3 El TO SEL <br /> SURFACE SEAL TYPE CONCRETE FLUSH WELL BOX WITH BENTONITE INTERVAL 0 FT TO 3 FT <br /> COMMENTS: PAGE I _OF—L <br /> WELL DEPTH FlDSAMPLE ID U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> WELL GRADED SAND (SW): 90-95% FN—CRS, A—SA, W GRDD <br /> 2 SND; 5-10% FNS, LS. DRK BRN/GRY, SL—M P0. MST <br /> SW <br /> 4 TBT—WW1-5' <br /> 138 3 <br /> 5 <br /> 6 6 <br /> 6/9.5-11/14.5' WELL GRADED SAND (SW): >95% FN—CRS, A, W GRDD <br /> SND; [5R FNS, M ONS. GRY, SL—M PD, WET <br /> — 8 <br /> _ <br /> _ TBT—MW 1-10' <br /> _ 10 50 1� SW <br /> — 19 <br /> 12 11/14.5-16/19.5` SILT W/SAND (ML): 15-20% FN—M, A. W GRDD SND: 80--85% <br /> FNS, N DRY STRNGTH, R DLTNCY, L TGHNSS, N PLST, <br /> V STFF—HRD, BRN, NPO, WET <br /> 14 TBT—MW1-1 ' <br /> 9 <br /> 2 <br /> 20 ML <br /> 16 25 <br /> = 16/19.5-21' SILTY CLAY (CL/ML): 5-10% FN-M, A, W GRDD SND; 90-959. <br /> 1 B FNS. M DRY STRNGTH, SLW—R DLTNCY, L—M TGHNSS. L—M <br /> PLST, V STIFF, BRN, NPO, WET <br /> _ <br /> TBT-WWI-20' <br /> 20 3CL/ML <br /> 12 <br /> 19 <br /> 22 <br /> —24- <br /> 26- <br /> -28- <br /> - <br /> 28 <br /> ED GEO <br /> 32 LA(`vr <br /> 36 '�_ti <br /> 38 <br /> 40 <br /> t <br />