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GROUND ZERO ANALYSIS LOG of WELL Mw6 <br /> PROJECT TUFF BOY LOCATION 5151 ALMONDWOOD DRIVE, MANTECA CA PROJECT NO 335 <br /> DATE DRILLED 1/13/04 LOGGED BY SEAN GARVEY REVIEWED BY <br /> DRILLING COMPANY FISCH ENVIRONM NTAL DRILLER HAVE FISCH METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 20—FT_ DEPTH TO WATER INITIAL _ as FT STATIC 62 FT_ <br /> CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 4 FT_ <br /> SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0.010 IN INTERVAL 4 FT TO19 El <br /> FILTER PACK TYPE #3 SAND INTERVAL 2.5 FT TO __ __1,9 FT <br /> SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL 0 FT TO 2 5 FT <br /> COMMENTS CONTINUOUS CORE SAMPLING BY DIRECT PUSH PAGE 1_OFA_ <br /> WELL DEPTH FID SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT pPM) BLOWCOUNT LOG <br /> 0-0-3. ASPHALT <br /> 0 3'-8' WELL GRADED SAND W/ SILT (SW-SM), 85-90% FN-CRS, A-SR, W <br /> 2 GRDD SND, 10-15% FNS, BRN, NO ODOR, MST-WET <br /> 45 <br /> - <br /> 4-5w—Sm <br /> 6 43 TBMW6- <br /> 8 <br /> 8'-11' WELL GRADED SAND (SW), >95% FN-CRS, A-SR, W GRDD SND, <5% <br /> SW FNS, BRN, NO ODOR WET <br /> 10 45 <br /> TBMW6-12 CL/ML 11'-12' SILTY CLAY (CL/ML), <5% FN, A-SA, SND, >95% FNS, M DRY STRGTH, <br /> 12 45 SLW DLTNCY, M TGHNESS, M PLAST, SRN. NO ODOR, WET <br /> 12'-20' HEAVING SAND <br /> SILTY CLAY PRESENT ON BOTTOM OF DRILL STRING <br /> 14 <br /> 1fi SW <br /> 18 <br /> 20 CL/ML <br /> 22- <br /> -24- <br /> 26- <br /> 28- <br /> 30- <br /> -32 <br /> 22426283032 <br /> 34- <br /> 36- <br /> 40 <br /> 43640 <br />