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GROUND ZERO ANALYSISw LOG OF WELL MW5 <br /> PROJECT TUFF BOY LOCATION 5151 ALMONDWOOD DRIVE MANTECA CA PROJECT NO. 3-35 <br /> DATE DRILLED 1113104 LOGGED BY SEAN GA VEY REVIEWED BY <br /> DRILLING COMPANY EISSH ENVIRONMENTAL DRILLER DAVE FISCH METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 20 FT DEPTH TO WATER : INITIAL - -- 10 -- FT STATIC __ 6.5 FT <br /> CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL O FT TO 4 FT <br /> SCREEN TYPE —_ PVC DIAMETER 2 IN SLOT SIZE 0.01D IN INTERVAL 4 FT TO <br /> FILTER PACK TYPE #3 SAND INTERVAL - 2.5 FT TO _19 FT <br /> SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL 0 FT TO 2.5 ET <br /> COMMENTS: CONTINUOUS CORE SAMPLING BY DIRECT PUSH PAGE__1-OF__j_ <br /> WELL DEPTH FED SAMPLE ID U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> 0-0.3' ASPHALT <br /> 0.3'-8' GRDD SND; 10-'5% FNSSIBRN.S O ODbRSMST-WET. CRS, A-SR, W <br /> 2 N <br /> 3.0 <br /> 4 <br /> SW-SM <br /> $ 2.6 <br /> TBMWS-8 <br /> 8 <br /> 8'-12' WELL GRADED SAND (SW); >95% FN-CRS, A-SR, W GRDD SND; <5% <br /> FNS; BRN, NO ODOR, WET. <br /> 10 2.0 SW <br /> 12 - <br /> 12'-16' SILT (ML); <5% SND; >95% FNS; N DRY STRGTH; R DLTNCY; L <br /> TGHNESS; N PLAST; BRN. NO ODOR, WET. <br /> 14 3.5 ML <br /> 16 16'-19.5' WELL GRADED SAND (SW): >95X FN-CRS. A-SR, W GROD SND; <5Y. <br /> FNS; BRN, NO ODOR, WET. <br /> 18 4.3 sw <br /> TBMW5-20 <br /> 20 4.3 ML 19.5'-20' SILT (ML); <5% FN-CRS, A-SR, SND; >95X FNS; N DRY STRGTH; R <br /> DLTNCY; L TGHNESS; N PLAST; BRN, NO ODOR, WET. <br /> 22- <br /> -24- <br /> -26- <br /> -28 <br /> 26 <br /> 28 <br /> 30 <br /> 32 n <br /> LAN, <br /> � Lr•: \,C a <br /> 34 p J <br /> (f)1f�� <br /> 36- <br /> 38 <br /> 6 38 <br /> 40 <br />