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GROUND ZERO ANALYSIS LOG OF WELL MW1 1 D PROJECT TUFFBOY TRAILERS LOCATION 5151 ALMONDWOOD ROAD MANTECA PROJECT NO 335 DATE DRILLED 3/14/05 LOGGED BY JOE VASQUEZ REVIEWED BY JOHN P LANE RG No. DRILLING COMPANY FISCH ENVIRONMETAL DRILLER DAVE FISCH METHOD DIRECT BORE HOLE DIAMETER 8 IN DEPTH DRILLED 40 FT DEPTH TO WATER INITIAL 5 FT STATIC FT CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL O FT TO 30 FT SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0,010 IN INTERVAL _ 30 FT TO 40 FT FILTER PACK TYPE 2/12 MONTEREY SAND _._ INTERVAL 28 FT TO _ 40_ FT- SURFACE SEAL TYPE NEAT CEMENT OVER 2 FEET HYDRATED BENTONITE INTERVAL 0 FT TO 28_ _FT COMMENTS REFUSAL PAGE 1 OF--L- WELL F1WELL DEPTH FID SAMPLE ID U S C DESCRIPTION DETAIL FT PpmBLOWCOUNT LOG 0-4' NO SOIL ID 2 4 4'-1325' SAND TO SILTY SAND 6 29 8 SP TO SM la 1 5 12 a L) mRp 13 25'-13 5' SAND —14— La 13 5'-15' SAND TO SILTY SAND WITH SAND STRONGER AT 14' ca SP TO SM 15'-15 25' CLAY 16 01 15 25'-15 75' SAND TO SILTY SAND p 15 75'-17 75' SAND o SP x 18 17 75'-20 25' LATER BEDDED SAND, SILT, CLAY 5P, LSM, 20 1 1 ML,C 20 25'-21 75' GRAVELY SAND TO SAND SP 22 21 75'-25' SAND WITH SOME SANDY SILT AND SILTY SAND SP 24 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 2g SP 28 75'-29 3' GRAVELY SAND TO SAND 3D 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, SR, LT BRN, NO ODOR, WET 34 i i i MW11D-36 36 SP 38 40