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GROUND ZERO ANALYSIS LOG OF WELL MW4 <br /> PROJECT TUFF BOY TRAILERS LOCATION 5151 ALMONDWOOD DRIVE, MANTECA CA PROJECT NO 335 <br /> DATE DRILLED _01122LQ1__ LOGGED BY SEAN GARVEY REVIEWED BY JOHN 9 <br /> DRILLING COMPANY VdSW WELL DRILLING DRILLER KEVIN CROSS METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 20 FT DEPTH TO WATER INITIAL _ as FT STATIC 7.5 F7 <br /> CASING TYPE PVC F4so DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO ,S FT <br /> SCREEN TYPE PyC F48O DIAMETER 2 IN SLOT SIZE 0.010 IN INTERVAL 5 FT TO —_20l <br /> FILTER PACK TYPE 2/12 SAND INTERVAL 3 EI TO 20 FT <br /> SURFACE SEAL TYPE CONCRETE FLUSH WELL BOX WITH BENTONITE INTERVAL O _FZ TO 3 FT <br /> COMMENTS PAGES OFA <br /> WELL DEPTH FID AMP I U S C DESCRIPTION <br /> DETAIL FT PM) BLOWCOUNT LOG <br /> 1 <br /> 2 —0-6/95, WELL GRADED SAND (SW) 90-95% FN—CRS, A—SA, W GRDD <br /> SND, 5-109 FNS, LS, BRN, NPO, MST <br /> 4 <br /> 0 2 SW <br /> 3 <br /> 6 6 <br /> 6 9 5-11/145- WELL GRADED SAND (SW) >95X FN—CRS, A—SR, W GRDD <br /> SND, <5% FNS, LS, BRN, NPO, WET <br /> — 8 <br /> TBT—MW4-10 <br /> 10 3 <br /> O 3 sw <br /> — 3 <br /> s— <br /> 1= 12 11/14 5-16/19 5' SILTY CLAY (CL/ML) 10-15% FN—M, A—SA, W GRDD SND, <br /> 85-90% FNS, L—M DRY STRNGTH, L—M PLST, HRD, BRN, <br /> NPO, WET <br /> = 14 <br /> 17 <br /> 0 18 CL/ML � <br /> _ 16 21 <br /> 16/19 5-21' SILT (ML) <5% FN, A SND, >95% FNS, N DRY <br /> 18 STRNGTH, R DLTNCY, L TGHNSS, N PLST, V STIFF, BRN, <br /> NPO, WET <br /> TBT—MW4-20 <br /> 20 0 16 ML <br /> 19 <br /> 22 <br /> —24- <br /> 26- <br /> 28- <br /> 30- <br /> -32- <br /> 34- <br /> 36- <br /> -38 <br /> 426283032343638 <br /> 40 <br />