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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 o1/22/01 LOGGED BY SEAN GARVEY REVIEWED BY JOHN P LANE RG No _679 _ <br /> DRILLING COMPANY V&W WELL DRILLING DRILLER KEVIN CROSS METHOD HOLLOW STEM AUGER <br /> *BORE HOLE DIAMETER 8 IN DEPTH DRILLED - 20 FT DEPTH TO WATER INITIAL T8 8 FT STATIC 74 FL <br /> CASING TYPE _PVC F480 DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 5 FL <br /> SCREEN TYPE _pyc F480 DIAMETER - 2 IN SLOT SIZE _ 0.010 IN INTERVAL 5 FL TO 20 EL <br /> FILTER PACK TYPE 2/12 SAND INTERVAL 3 � TO - 20 FT <br /> SURFACE SEAL TYPE CONCRETE FLUSH WELL BOX WITH BENTONITE INTERVAL 0 fL TO 3 FL <br /> COMMENTS PAGE �L OFA_ <br /> WELL DEPTH FID SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 0-6/95. 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-MW1-5 <br /> 138 3 <br /> — 5 <br /> = 6 6 <br /> 6/9 5-11/14 5' WELL GRADED SAND (SW) >95X FN-CRS, A, W GRDD <br /> IV SND, <5% FNS, M DNS, GRY, SL-M PO, WET <br /> = g � <br /> TBT-WWI-10 <br /> 10 50 1 6 SW <br /> 1 <br /> 19 <br /> i= <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 /> —c V STFF-HRD, BRN, NPO, WET <br /> 14 TBT-MW1-15 <br /> — 2 <br /> 20 ML <br /> 16- 25 <br /> 16/195-21- SILTY CLAY (CL/ML) 5-10% FN-M, A. W GRDD SND, 90-95X <br /> —18— FNS, M DRY STRNGTH, SLW-R DLTNCY, L-M TGHNSS, L-M <br /> PLST, V STIFF, BRN, NPO, WET <br /> TBT-MW1-20 <br /> 20 3 9 CL/ML <br /> 12 <br /> 19 <br /> —22- <br /> -24- <br /> 26- <br /> -28- <br /> -30- <br /> -32- <br /> -34- <br /> 36 <br /> 224262830323436 <br /> 38 <br /> AA <br />