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GROUND ZERO ANALYSIS LOG of WELL _MW7_
<br /> PROJECT BARNYARD CORP LOCATION 8960 W WALNUT GROVE RD, THO,R70N. CA PROJECT NO 444
<br /> DATE 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 13 FT STATIC 7.6 FT
<br /> CASING TYPE PVC DIAMETER 2 JAL SCHEDULE 40 INTERVAL 0 _El- TO 4 FT
<br /> SCREEN TYPE 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 PELLTS INTERVAL 0 FT TO 2 5 FT
<br /> COMMENTS PID BACKGROUND 0 2 PPM
<br /> PAGE 1 DF--!—
<br /> WE
<br /> --!—WELL DEPTH PID SAMPLE ID U S C DESCRIPTION
<br /> DETAIL FT PPM BLOWCOUNT LOG
<br /> 1 0-55/9 SILTY CLAY (CL/ML) 5-10% FN, A SND, 90-95% FNS, M DRY STR,
<br /> SLW DLTCY, M TGHNESS, M PLAST, STIFF, BRN, NPO, DRY
<br /> 2
<br /> BYMW7-5 CL/ML
<br /> 4 5
<br /> 0
<br /> 0 3 1 6 5-�Z9-10 5/14 LEAN CLAY (CL) <5% FN, A, SND, >9D% FNS, H DRY STR, SLW
<br /> 6 DLTNCY, M—H TGHNESS, M—H PLAST, VERY STIFF, BRN, NPO, MST—
<br /> = WET
<br /> 8
<br /> 7
<br /> 10 0 2 14 CL
<br /> 20 10 5/14-15 5/19 SILT W/ SAND (ML) 15-20% FN, A, POOR GRD SND, 70--75% FNS,
<br /> N DRY STIR, R OLTCY, L TGHNESS, N PLAST, STIFF, BRN, NPO, WET
<br /> —12-
<br /> 14 4
<br /> 0 4 4 ML
<br /> 16 9 15 5/19-20 2 POORLY GRADED SAND (SP) >95% FN, A, POOR GRD SND, <5% FNS
<br /> / LOOSE, BRN, NPO, WET
<br /> 18 /
<br /> BYMW7-20
<br /> 3 SP
<br /> 20 0 1 9 20 2-20 5 WELL GRADED SAND (SW), >95% FN—CRS, A—R, WELL GRD SND,
<br /> <5% FNS, HIED DENSE, BRN, NPO, WET
<br /> 22-
<br /> -24-
<br /> 26-
<br /> -28-
<br /> -30—
<br /> 26
<br /> 28
<br /> 30 p,ED 0
<br /> 32 JO!-11N P
<br /> L k,N
<br /> 34 N G 95
<br /> 36 C
<br /> 38
<br /> 40
<br />
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