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GROUND ZERO ANALYSIS LOG OF WELL MW4 <br /> PROJECT TUFF BOY TRAILERS LOCATION 5151 ALMONDWOOD DRIVE MANTECACA PROJECT NO. <br /> 335 — <br /> REVIEWED BY OHN P LANE G Na fi 5 <br /> DATE DRILLED 1 LOGGED BY SAN ARV HQfLow STEM AUGER <br /> DRILLING COMPANY YAW WELL DRILLING - DRILLER KEVIN CROSS METHOD EI <br /> BORE HOLE DIAMETER 9 IN DEPTH DRILLED 20 DEPTH TO WATER INITIAL 8's STATIC 7.5 <br /> CASING TYPE PVC FASO DIAMETER _ 2 IN _ SCHEDULE 40 INTERVAL 0 TO <br /> SCREEN TYPE Pvc E00 DIAMETER 2 IN SLOT SIZE _JLAl _ _lL INTERVAL 5 TO 20 ITT <br /> FILTER PACK TYPE 2/12 SAND <br /> INTERVAL 3 � 70 2D FT <br /> p TO 3 <br /> SURFACE SEAL TYPE CONCRETE FLUSH WELL BOX WITH BENTONITE INTERVAL PAGE I _OF_L_ <br /> COMMENTS: <br /> WELL DEPTH FID MPLE 10 U.S.C. DESCRIPTION <br /> DETAIL FT. PPM SLOWCOUNT LOG <br /> 2 4-6/9.5' WELL GRADED SAND (SW): 90-95X FN-CRS, A-SA, W GRDD <br /> SND; 5-10% FNS. LS. BRN. NPO. MST <br /> 4 <br /> 0 2 5W <br /> 3 <br /> 6 6 <br /> 6 <br /> 9.5-11/14..9- SWELL GRADED ND; <SR FNSSALS, 8RN. NPO.SWETN-CRS. A-SR, W GRDD <br /> — B <br /> TBT-WW4-10' <br /> 10 3 <br /> 0 3 SVII <br /> 3 <br /> 12 11/14.5-16/i9.5' <br /> SILTY CLAY (CL/ML): 10-15R FN-M. A-SA, W URDD SND; <br /> _ 35-909 FNS, L-M DRY STRNGTH. L-M PLST, HRD. BRN, <br /> NPO, WET <br /> — E i 17 <br /> 0 1e CL/ML <br /> 16 21 <br /> 16/19.5-21' SILT (ML): <5% FN. A SND; >95% FNS. N DRY <br /> STRNGTH. R DLTNCY, L TGHNSS. N PLST, V STIFF, BRN, <br /> �& NPD, WET <br /> TBT-MW4-20' <br /> 20 p 12 ML <br /> 16 <br /> i9 <br /> z2 <br /> 24 <br /> 26 <br /> 25 " <br /> 3O EDto <br /> GFD` <br /> L;N'' <br /> No. 6 795 <br /> 36 OF CAS-'FAQ <br /> L—[,3 <br /> e <br /> 40 <br />