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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 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 IN SCHEDULE 40 INTERVAL 0 FT TO -- 4 FT <br /> SCREEN TYPE —_PVC DIAMETER 2 IN SLOT SIZE o.o10 IN INTERVAL 4 FT TO 19 FT <br /> FILTER PACK TYPE X13 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 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; 10-15% FNS; BRN, NO ODOR, MST-WET. <br /> 4.5 <br /> 4 <br /> sw-sM <br /> 6 4.3 TIBMW6- <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— 4.5 <br /> TBMW6-12 CL/ML 11'-12' SILTY CLAY (CL/ML); <5% FN, A-SA, SND; >95X FNS; 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 <br /> CL/ML <br /> 22 <br /> 24 <br /> 26 <br /> 28 <br /> 3D <br /> SO G- <br /> oz 32— C? Oar <br /> 34 r <br /> 36 cry 'o. �?�,5 <br /> C <br /> Cid �L``�r <br /> �, <br /> 38 <br /> 40 <br />