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GROUND ZERO ANALYSIS LOG OF WELL _MW7_
<br /> kROJECT BARNYARD CORP LOCATION 8960 W WALNUT GROVE RDx-THORTON, CA PROJECT NO 444
<br /> ATE DRILLED 10/31/02 LOGGED BY SEAN GARVEY REVIEWED BY JOHN LANE, SG 6795
<br /> DRILLING COMPANY V & 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 AFL
<br /> CASING TYPE _ PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 4 FT
<br /> SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0 010 IN INTERVAL 4 FT TO NF1
<br /> FILTER PACK TYPE 2/12 SAND _ INTERVAL 2.5 FT TO 13_ fT
<br /> SURFACE SEAL TYPE CONCRETE OVER HYDRATED BENTONITE PELLTS INTERVAL 0 FT TO 2 5 FT
<br /> COMMENTS PID BACKGROUND 0 2 PPM PAGE 1 OF-1—
<br /> WELL
<br /> 1WELL DEPTH PID SAMPLE [D U SC DESCRIPTION
<br /> DETAIL FT PPM BLOWCOUNT LOG
<br /> 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 /> 4 BYMW7-5 CL/ML
<br /> 5
<br /> 0 3 16 5�9-10 5/14 LEAN CLAY (CL) <5% FN, A, SND, >9D% FNS, H DRY STIR, SLW
<br /> s DLTNCY, M-H TGHNESS, M-H PLAST, VERY STIFF, BRN, NPO, MST-
<br /> = WET
<br /> 8
<br /> 7
<br /> 10 0 2 20 CL
<br /> 10 5/14-15 5/19 SILT W/ SAND (ML) 15-20% FN, A, POOR GRD SND, 70-75% FNS,
<br /> N DRY STR, R DLTCY, L TGHNESS, N PLAST, STIFF, BRN, NPO, WET
<br /> 12
<br /> I
<br /> 14 4
<br /> 0 4 4 ML
<br /> 1fi 9 15 5/19-20 2 POORLY GRADED SAND (SP) >957 FN, A. POOR GRD SND, <5% FNS.
<br /> / LOOSE, BRN, NPO, WET
<br /> 18 /
<br /> BYMW7--20
<br /> 3 SP
<br /> 20 0 1 9SW —202-205 WELL GRADED SAND (SW), >95% FN-CRS, A-R, WELL GRD SND,
<br /> <5% FNS, MED DENSE, BRN, NPO, WET
<br /> 22-
<br /> -24-
<br /> -26-
<br /> 28-
<br /> -30—
<br /> 2fi
<br /> i
<br /> 28
<br /> 30 �F-D C7FO`�
<br /> 32 mak` JOHIN P
<br /> L."IN,
<br /> 3a N 6 95
<br /> 3 6 Q�C�A ��
<br /> —38-
<br /> 40
<br />
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