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GROUND ZERO ANALYSIS LOG OF BORING SB4
<br /> PROJECT TULEBURc WAREHOIIGE LOCATION 6200 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. 679
<br /> DRILIJNG COMPANY SPECTRUM DRILLER BOBBY NIXON METHOD HOLLOW STEM AUGER
<br /> BORE HOLE DIAMETER a 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 IN 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_Z
<br /> WELL DEPTH FID SAMPLE ID U.S.C. DESCRIPTION
<br /> DETAIL FT. PPM BLOWCOUNT LOG
<br /> 2
<br /> 0-6.5/10' LEAN CLAY (CL): <5% SND: >95% FN5, M DRY STRNGTH, SLW
<br /> CL DLTNCY, M TGHNSS, L PLST, M STEFF—STIFF, DRK GRN, NPO,
<br /> 4
<br /> ORGANICS, DRY, WEAK CEMENTATION, MOTTLED
<br /> ---
<br /> 3
<br /> 6 4
<br /> 0
<br /> B
<br /> 10 3
<br /> 3
<br /> 0 5
<br /> 12
<br /> 14
<br /> e
<br /> —16 0
<br /> 11 6.5/10-31' CLAYEY SILT (ML/CL): <1D% FN SND; >9G% FNS, L DRY STRNGTH,
<br /> SLW DLTNCY, L—M TGHNSS, L PLST, M STIFF—HRD (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—S94-25. CALCAREOUS CONCRETIONS AT APPROXIMATELY 27 FEET.
<br /> 9
<br /> 26 1
<br /> 0 22
<br /> 28
<br /> 30 12
<br /> D 14 31-31.5/35' SILTY SAND (SM): 55% FN, SA—SR, PRLY GROD SND; 45% FNS,
<br /> 16 N DRY STRNGTH, SLW—R OLTNCY, 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 /> DLTNCY, L TGHNSS, N PLST, V STIFF, LT BRN, NPO, TRC
<br /> 34 ML ORGANICS, DRY, STRNG CEMENTATION, CALCAREOUS
<br /> 16
<br /> —36 0 20 _
<br /> 21
<br /> 35.5-40.5' SILTY SAND (SM): 55% FN—M, SR, PRLY GROD SND; 45% FNS,
<br /> r N DRY STRNGTH, R DLTNCY, L TGHNSS, N PLST, DNS, LT BRN TO
<br /> SM SRN—GRY, NPO, ORGANICS, DRY, M TO M—STRNG CEMENTATION
<br /> I �
<br /> 4D
<br />
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