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, 5 <br /> GROUND ZERO ANALYSIS LOG OF WELL _MW5 <br /> ROJECT BARNYARD CORP LOCATION 8960 W WALNUT GROVE RD, THORTON, CA PROJECT NO 444 <br /> ATE DRILLED 10/31/02 LOGGED BY SEAN GARVEY REVIEWED BY .,_JOHN LANE_ RG 6795 <br /> DRILLING COMPANY V do W DRILLING DRILLER AMADOR ARROYO METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 19 FT DEPTH TO WATER INITIAL 7.5 FT STATIC 6.7 FT <br /> CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 4 FT_ <br /> SCREENTYPE PVc DIAMETER 2 IN SLOT SIZE 0 010 IN INTERVAL 4 FT TO 19 FT <br /> FILTER PACK TYPE 2/12 SAND_ INTERVAL 2.5 FT TO 19 FT <br /> SURFACE SEAL TYPE CONCRETE OVER HYDRATED BENTONITE PELLETS INTERVAL 0 FT TO 2 5 FT <br /> COMMENTS PID BACKGROUND 0 4 PPM PAGE 1 OF—!— <br /> WELL <br /> F1WELL DEPTH PID SAMPLE ID USC DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 0-55/9 SILTY CLAY (CL/ML) 5-10% FN, A. POOR GRA} SND, 90-95% FNS, <br /> M-H DRY STIR, SLW DLTCY, M TGHNESS, M PLAST, STIFF, BRN, <br /> 2 NPO, DRY <br /> 4 BYMW5-5 CL/ML <br /> 5 <br /> 23 1$ <br /> 555//9-10 5/14 SILTY CLAY W/ SAND (CL/ML) 10-20% FN, A, POOR GRD SND, <br /> 6 80-90% FNS, M-H DRY STIR, SLW DLTCY, M TGHNESS, M PLAST, <br /> V STIFF, BRN, WPO, MST-WET <br /> e / <br /> 1 <br /> CL/ML <br /> 10 0 4 22 <br /> 10 5/14-15 5/19 SILT W/ SAND (ML) 20-30% FN-M, A-SA, POOR GRAD SND, 70- <br /> 80% FNS, N DRY STR, R DLTCY, L TGHNESS, N PLAST, V STIFF, BRN, <br /> 12 NPO, WET <br /> _14— B <br /> 0 2 ML <br /> 12 <br /> 16 15 5/19-20 5 POORLY GRADED SAND (SP) >95% FN, A, P GRAD SND, <50% FNS, <br /> LOOSE-M DENSE, BRN, NPO, WET <br /> ie <br /> BYMW5--20 <br /> SP <br /> —20--10 1 10 <br /> 22 <br /> 24 <br /> 26 ���PED O <br /> 0 <br /> 28 ¢� JOH'^4 P , <br /> Lwl <br /> 30 N N' C-795 <br /> 32 <br /> rF <br /> —34— <br /> _36- <br /> 38 <br /> 43B38 <br /> 40 <br />