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s <br /> GROUND ZERO ANALYS.1� � v <br /> LOG OF WELL MWfi <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 ENVIRONMENTAL _ DRILLER DAVE FISCH METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 20_FT- DEPTH TO WATER INITIAL 8.5 FT STATIC 6.2 FT <br /> CASING TYPE PVC DIAMETER 2 1N SCHEDULE 40 INTERVAL 0 FT TO — . 4 FT <br /> SCREEN TYPE __ PVC DIAMETER 2 IN SLOT SIZE -0.010 IN INTERVAL 4 FT TO 19 FT <br /> FILTER PACK TYPE !13 SAND INTERVAL 2.5 FT TO IR 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 I OF__1 <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; 10-15X FNS; BRN, NO ODOR. MST-WET. <br /> 4.5 <br /> 4 <br /> SW-SM <br /> li 4.3 TBMW6- <br /> 8 <br /> W-11, WELL GRADED SAND (SW); >95Y. FN-CRS, A-SR, W GRDD SND; <5% <br /> SW FNS; BRN, NO ODOR, WET. <br /> 10 4.5 <br /> TBMW6-12 CL/ML 11'-12' SILTY CLAY (CL/ML); <5% FN, A-SA, SND; >95% ENS; M DRY STRGTH; <br /> 12 4.5 SLW DLTNCY; M TGHNESS; M PLAST; $RN, NO ODOR, WET. <br /> 12'-20' HEAVING SAND <br /> SILTY CLAY PRESENT ON BOTTOM OF DRILL STRING <br /> _14- <br /> -16 SW <br /> 18 <br /> 20 CL/ML <br /> 22 <br /> 24 <br /> 26 <br /> 28 <br /> 30 <br /> 1ED G�Q� <br /> —32- <br /> - <br /> 2 �✓ <br /> 34 <br /> r o <br /> L� 0. c", <br /> —36- <br /> 38 6 38 <br /> 40 <br />