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GROUND ZERO ANALYSIS LOG OF WELL MW1 <br /> PROJECT TUFF BOY TRAILERS LOCATION 5151 ALMONDW_OOD-DRIVE, MANTECA CA <br /> PROJECT N0. 335 <br /> DATE DRILLED 01 LOGGED BY SEAN GARVEY <br /> REVIEWED BY--fOHN- P. LANE RG No. 5795 <br /> DRILLING COMPANY DRILLER KEVIN CROSS METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED _ 20 FT DEPTH TO WATER : INITIAL — 8.8FT STATIC — 7.4 FT <br /> CASING TYPE PVC F480 DIAMETER 2 IN SCHEDULE 40 m m INTERVAL -_ 0 FT TO 5_ FT <br /> SCREEN TYPE _Pvc F490 _ DIAMETER ---2 -IN SLOT SIZE _o.010 IN INTERVAL $ FT <br /> TO 20 Ft <br /> FILTER PACK TYPE 2/12 SAND ^_ INTERVAL ---- 3 FT <br /> TO _ 20 FT <br /> SURFACE SEAL TYPE CONCRETE FLUSH WELL BOX WITH BENTONITE INTERVAL -- 0 FT TO _ 3- FT <br /> COMMENTS: PAGE I OFA <br /> WELL DEPTH FID SAMFLE ID U.S.C. DESCRIPTION <br /> DETAIL Fi. PPM BLOWCOUNT LOG <br /> 0-6/9.5' WELL GRADED SAND (SW): 90-95% FN–CRS, A–SA, W GROD <br /> 2 SND: 5-10% FNS, LS, DRK BRN/GRY, SL–W P0, NST <br /> SW <br /> 4 TBT–MW1– <br /> 5 <br /> 138 3 <br /> — <br /> 6 6 <br /> 6/9.5-11/14.5' WELL GRADED SAND (SW): >95% FN—CRS, A. W GRDD <br /> SND; G52 FNS, M ONS, GRY, SL—M PO, WET <br /> TBT—WWI-10' <br /> _10- 50 6 <br /> 1 5W <br /> i <br /> 19 <br /> 12 11/14.5-18/19.5' SILT W/SAND (ML): 15-20% FN—lei, 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—WW1-1 ' <br /> 2 9 <br /> 21) ML <br /> 16 25 <br /> 16/19.5-21' SILTY CLAY (CL/ML): 5-10% FN—M, A, W GRDD SND; 90-95% <br /> 1 g FNS, W DRY STRNGTH, SLW—R DLTNCY, L—M TGHNSS, L—M <br /> 77— 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 /> - <br /> 26 <br /> 28 <br /> 30 ��SED ��(0 <br /> JOHN P. <br /> 32 L tq'c <br /> cnt Pdo 7g5 • <br /> _34— <br /> _38- <br /> 40 <br /> 4 3840 <br />