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GROUND ZERO ANALYSIS LOG OF BORING SB4
<br /> •PROJECT -TULE9URG WAREHOUSE LOCATION 8200 NORTH HIGHWAY 99, STOCKTON CA PROJECT NO 263
<br /> DATE DRILLED 10/7/99 LOGGED BY JOHN LANE/SEAN GARVEY REVIEWED BY JOHN LANE RG No 6795
<br /> DRILLING COMPANY SPECTRUM DRILLER _BOBBY NIXON METHOD HOLLOW,STEM AUGER
<br /> BORE HOLE DIAMETER B IN DEPTH DRILLED 61 FT DEPTH TO WATER INITIAL 61 FT STATIC 61 FT
<br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT
<br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE 1N INTERVAL FT TO FT
<br /> FILTER PACK TYPE NA INTERVAL _. FT TO FT
<br /> SURFACE SEAL TYPE ,NEAT CEMENT GROUT INTERVAL 0 FT TO 61_ FT
<br /> COMMENTS PAGE_I OF-
<br /> 2-WELL DEPTH FID SAMPLE 10 U S C DESCRIPTION
<br /> DETAIL FT PPM BLOWCOUNT LOG
<br /> 2
<br /> 0-65/10' LEAN CLAY (CL) <5% SND, >95% FNS, M DRY STRNGTH, SLW
<br /> CL DLTNCY, M TGHNSS, L PLST, M STIFF-STIFF, DRK BRN, NPO,
<br /> 4 ORGANICS, DRY, WEAK CEMENTATION, MOTTLED
<br /> 3
<br /> 6 4
<br /> 0
<br /> 8
<br /> 10 3
<br />' 3
<br /> 0 5
<br /> 12
<br /> 14
<br /> 16 O e
<br /> 11 6 5/10-31CLAYEY SILT (ML/CL) <10% FN SND >90% FNS, L DRY STRNGTH,
<br /> SLW DLTNCY, L-M TGHNSS, L PLST, M STIFF-HRO (INCREASING
<br /> COMPACTION WITH DEPTH) LT BRN, NPO, ORGANICS DRY, WEAK
<br /> 18 CEMENTATION, MOTTLED
<br /> 20 7 ML/CL
<br /> 0 12
<br /> 14
<br />' —22-
<br /> 24
<br /> TW-SB4-25 '
<br /> CALCAREOUS CONCRETIONS AT APPROXIMATELY 27 FEET
<br /> 9
<br /> 26 1
<br /> 0 22
<br /> 28
<br /> 30 12
<br /> 0 14 31-31 5/35 SILTY SAND (SM) 55% FN, SA-SR, PRLY GRDD SND, 45% FNS,
<br /> 16 N DRY STRNGTH, SLW-R DLTNCY, L TGHNSS N-L PLST, DNS,
<br /> 32 SM M BRN, NPO, ORGANICS, DRY, M CEMENTATION
<br /> 31 5/35-35 5' SILT (ML) <10% FN SND, >90% FNS, L DRY STRNGTH, SLW
<br /> I 34 DLTNCY, L TGHNSS N PLST, V STIFF, LT BRN, NPO, TRC
<br /> ML ORGANICS DRY, STRNG CEMENTATION, CALCAREOUS
<br /> 1fi
<br /> 36 O 2t' 21
<br /> 35 S-405, SILTY SAND (SM) 55% FN-M, SR, PRLY CR00 SND, 45% FNS
<br /> N DRY STRNGTH, R DLTNCY, L TGHNSS, N PLST, DNS, LT BRN TO
<br /> 38BRN-CRY, NPO, ORGANICS, DRY, M TO M-STRNG CEMENTATION
<br /> SM
<br /> 40
<br />
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