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GROUND ZERO ANALYSIS., LOG OF WELL MW10 PROJECT TUFFBOY TRAILERS LOCATION 5151•ALMONDWOOD ROAD, MANTECA PROJECT N0. 335 DATE DRILLED 3/15/05 LOGGED BY JOE VASREVIEWED BY JOHN P. LANE RG No. 6795 _ DRILLING COMPANY FISCH ENVIROMMETAL DRILLER DAVE FISCH METHOD DIRECT PUSH/HOLLOW!( STEM BORE HOLE DIAMETER 1 1/4 /8w DEPTH DRILLED 19 FT DEPTH TO WATER : INITIAL -5 FT STATIC _ FT CASING TYPE PVC DIAMETER -- 2 IN SCHEDULE 40 INTERVAL 0 FT TO 4 F SCREEN TYPE ._ PVC DIAMETER 2 IN SLOT S12E 0.010 IN INTERVAL 4 FT TO19 FT FILTER PACK TYPE 2/12 MONTEREY_ SAND ..._.__ INTERVAL 3 ET TO 19 _ FT SURFACE SEAL TYPE NEAT CEMENT OVER 1 FOOT HYDRATED BENTONITE INTERVAL 0 FT TO -3 FT COMMENTS: PAGE 1 OF 1 WELL DEPTH Fib SAMPLE ID U.S.C. DESCRIPTION DETAIL FT. PPM BLOWCOUNT LOG 0-7/10' POORLY GRADED SAND WITH SILT (SP-SM); 90% FN, SR, P GRDD SND; 10% FNS; DRK BRN, NO ODOR, WET. 2 SP—Sid 4 MW 10-5 6 2.9 7/10'-12/15' POORLY GRADED SAND (SP); 95% M. SR, P GRDD SND; 5% FNS; 8 BRN, NO ODOR, WET. 10 MW10-10 1.5 SP 12 _ 12/15'-20' POORLY GRADED SAND WITH SILT (SP-SM); 90% FN, SR, P GRDD SND; 10% FNS; GRY BRN, NO ODOR, WET. t4 MW 10-15 ; 16 0.1 18 SP-SM MW10-19 24 1.1 20'-21' LEAN CLAY (CL); 3X SND; 97% FNS; L DRY STRGTH; L TGHNESS; L CL PLAST; OLIVE BRN, NO ODOR, MST. -22- -24- -26- -28 26 28 -30- -32- i 032nim L.tfVa 34 . 6795 4 N 36 38 40 _ 20.25'-21-75' GRAVELY SAND TO SAND SP 22 21.75'-25' SAND WITH SOME SANDY SILT AND SILTY SAND 24 SP 25'-25.8' GRAVELY SAND TO SAND 26 SP 25.8'-26.6' SAND SP' 26.6'-27.25' GRAVELY SAND TO SAND 27.25'-28.75' SAND WITH SOME SILTY SAND AND GRAVELY SAND 28 SP _- _ 28.75'-29.3' GRAVELY SAND TO SAND Sp 29.3'-30.2' SAND 30.2'-32/36' GRAVELY SAND TO SAND AND SAND SP 32 / 36/32'-38' POORLY GRADED SAND (SP); M, 5R, LT BRN, NET. G, 34 C� u 3fi MW11D-36 • LAN'` SID N . 6795 38 V. 4D � -