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GROUND ZERO ANALYSIS LOG OF WELL MW1 1 D PROJECT TUFFBOY TRAILERSLOCATON 5151_ALMONDWOOD ROAD" MANTECA N.-#* PROJECT N0. 335 DATE DRILLED 3/14/05LOGGED BY _JOEyASOUEZ REVIEWED BY JOHN P. NE RG o. 6795 ,._._ DRILLING COMPANY _FISCH ENVIRONME,IAL DRILLER DAVE FISCH METHOD pIMT-PUSH/HOLLOW STEM BORE HOLE DIAMETER 8 IN DEPTH DRILLED 40 FT DEPTH TO WATER : INITIAL 5 FT STATIC FT CASING TYPE PVC DIAMETER 2SLI_ SCHEDULE 40 INTERVAL 0 FT TO 30 FT SCREEN TYPE PVC DIAMETER 2 IN . SLOT SIZE 0.010 IN INTERVAL _ -- _ 30 FT TO 40 FT FILTER PACK TYPE x,/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: LITHOLOGY LOGGED_SY CPT. CPT REFUSAL AT 32 FEET _ PAGE ?OF--!— WELL F1WELL DEPTH FID SAMPLE ID U.S.C. DESCRIPTION DETAIL FT. PPM 6LOWCOUNT LOG 0-4' NO SOIL ID 2 4 4'-13.25' SAND TO SILTY SAND 6 2.9 8 SP TO SM 10 1.5 12 a U N m 13.25'-13.5' SAND 14 W 13.5'-15' SAND TO SILTY SAND WITH SAND STRONGER AT 14' SP TO SM ca CL 15'-15.25' CLAY 16 0.1 15.25'-15.75' SAND TO SILTY SAND 0 15.75'-17.75' SAND o SP x 18 17.75'-20.25' LATER BEDDED SAND, SILT, CLAY ML CL' 20 1.1 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 28 SP 28.75'-29.3' GRAVELY SAND TO SAND 30 Sp 29.3'-30.2' SAND 30.2'-32/36' GRAVELY SAND TO SAND AND SAND SP 36/32'-38' POORLY GRADED SAND (SP); M. SR, LT BRN, N 7gB O�ET, —34- - 4 — / �CO ms's // cif JOHN P. a 36 MW11D-3b / w LANE SP h' . 6795 38 40