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GROUND ZERO ANALYSIS LOG OF WELL _lW_4__
<br /> 4W'ECT WOOLSEY CHARTER LOCATION 1501 WEST CHARTER WAY, STOCKTON CA PROJECT NO 294
<br /> E DRILLED 8/15/02 LOGGED BY SEAN GARVEY REVIEWED BY GREG STAHL RG 5023
<br /> DRILLING COMPANY V Ar w DRILLER BRIAN JQHNSON METHOD --- - HOLLOW STEM AUGER
<br /> BORE HOLE DIAMETER ___a___LhL DEPTH DRILLED 31,5„FT DEPTH TO WATER INITIAL 19 Q STATIC 17 - FT
<br /> CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL O _FT TO 10 FT
<br /> SCREEN TYPE PVC DIAMETER 2 . IN SLOT SIZE 0 020 IN INTERVAL 10 FT TO _____ 9__ EI
<br /> FILTER PACK TYPE 43 SAND INTERVAL 8 _ FT TO 30 FT
<br /> SURFACE SEAL TYPE NEAT CEMENT OVER AFNIONITE INTERVAL 0 FT TO A FT
<br /> COMMENTS - PAGE-1— OF__l_
<br /> WELL DEPTH PID SAMPLE ID USC DESCRIPTION
<br /> DETAIL FT PPM BLOWCOUNT LOG
<br /> RIM 0-4" ASPHALT
<br /> 2 4"-6 5/10 ELASTIC SILT (MH), <5% FN, A SND, >95% FNS, N-L DRY
<br /> STRENGTH, SLW-R DLTNCY, L TGHNESS,N-L PLAST, HARD, BRN,
<br /> NPO, DRY
<br /> 4 MH
<br /> 7
<br /> fi 0 3 14
<br /> 19
<br /> 6 5/10-16 5/20 SILTY CLAY (CL/ML), <5% FN, A SND, >95% FNS, L-M DRY
<br /> 8 STRENGTH, SLW DLTNCY, M TGHNESS, L-M PLAST, STIFF-HARD, BRN,
<br /> NPO, DRY-WET
<br /> 10
<br /> 9
<br /> 03 i3
<br /> 23
<br /> 12
<br /> CL/ML
<br /> 14
<br /> CWMW4-1
<br /> 5
<br /> 16 02 9
<br /> 6
<br /> 18 16 5/20-21 LEAN CLAY (CL), <5% FN, A SND, >95% FNS, H DRY STRENGTH,
<br /> v M-H TGHNESS, M-H PLAST, MED-STIFF, BRN, NPO, WET
<br /> 20 0 2 2 CL
<br /> 0 2 7L_ 21-21 5/25 POORLY GRADED SAND W/ CLAY (SP-SC), 90-95% FN A-SA P
<br /> 22 SP-SC GRAD SND, 5-10% FNS, M DENSE, BRN, NPO, WET
<br /> 215/25-26 5/30 SILTY CLAY (CL/ML), 5-10% FN A SND, 90-95% FNS, L-M DRY
<br /> 24 STRENGTH, SLW DLTNCY, M TGHNESS, M PLAST, HARD, GRN, NPO,
<br /> ORG, WET
<br /> B
<br /> 26 0 2 11 CL/ML
<br /> 32
<br /> 265/30-31 5 POORLY GRADED SAND (SP), >95% FN, A, P GRAD SND, <5% FNS,
<br /> 28 V-DENSE, GRN, NPO, WET
<br /> 3D CWMW4-3 12 SP r�4y���ED GE��O
<br /> 0 3 1 D7 4v� �i
<br /> 40
<br /> 32 GREGORY P. a
<br /> STAHL
<br /> 34 No 5023 '
<br /> J'
<br /> 0 �P
<br /> 36 ATF Or CAL g�
<br /> 38-
<br /> 40
<br /> 8 40
<br />
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