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GROUND ZERO ANALYSIS LOG OF WELL MW2
<br />' PROJECT TULEBURG WAREHOUSE LOCATION 8200 NORTH HIGHWAY 99, STOCKTON CA PROJECT NO 263
<br /> • DATE DRILLED 10/6/_99 LOGGED BY SEAN GARVEY REVIEWED BY JOHN LANE RG No 6795
<br /> DRILLING COMPANY SPECTRUM DRILLER BOBBY NIXON METHOD HOLLOW STEM AUGER
<br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 78 El DEPTH TO WATER INITIAL _ZQ ET STATIC —_ 625 FT
<br /> CASING TYPE PVC F480 DIAMETER 2 IN SCHEDULE 40 INTERVAL __ _ 0 FT TO 58 FT
<br /> SCREEN TYPE PVC F480 DIAMETER 2 IN SLOT SIZE 0020 IN INTERVAL 58 FT TO 78 FT
<br /> FILTER PACK TYPE _#2/12 SILICA SAND INTERVAL --- 56 FT TO 78 FT
<br />' SURFACE SEAL TYPE NEAT CEMENT GROUT OVER BENTONITE INTERVAL - 0 FT TO 56 FT
<br /> COMMENTS PAGE I OF-2—
<br /> WELL DEPTH FID SAMPLE ID U S C DESCRIPTION
<br /> DETAIL— FT PPM BLOWCOUNT LOG
<br /> 0-4' ASPHALT
<br /> FILL 4`-2' BASE ROCK FILL
<br /> 2
<br /> 2-6/9 5' FAT CLAY (CH) <5% FN SND, >95% FNS, H DRY STRNGTH,
<br /> 4CH
<br /> 6 N DLTNCY, H TGHNSS M—H PLST, DRK BRN, NPO, DRY—MST
<br />' 0
<br /> 6/9 5-11/14 5' SILTY CLAY (CL/MH) <5% SND, >95% FNS, M DRY
<br /> _ B STRNGTH, N—SLW DLTNCY, M TGHNSS, M PLST, BRN, NPO,
<br />' DRY—WST
<br /> 1Q CL/MH
<br /> — a
<br /> 12
<br /> _ 11/14 5-16/19 5 CLAYEY SAND (SC) 857: SND, 15% FMS, BRN NPO DRY—MST
<br /> — 14 0
<br /> — SC
<br /> 16
<br /> 1 18
<br /> 16/19 5-21/24 S' LEAN CLAY WITH SAND (CL) 20% SND 85% FNS M DRY
<br /> STRNGTH, N—SLW DLTNCY, M TGHNSS, M PLST, BRN, NPO,
<br /> _ TW-11W2_20' DRY—MST
<br />' 20 CL
<br /> O
<br /> — I
<br /> 22-
<br /> 21/24 5-26/29 5' SILT (ML) S% SND, 857 FNS, N DRY STRNGTH, R DLTNCY,
<br />' — L TGHNSS, N—L PLST BRN, NPO, DRY--MST
<br /> =
<br /> 24
<br /> 0 ML
<br /> =
<br /> 26-
<br /> -28 26/29 5-31/34 5' WELL GRADED SAND (SW) 95% FN—M, A—SA, W GRDD SND,
<br />' = 5% FNS, RED BRN NPO, DRY—MST
<br /> 3Q
<br /> — — 0 SW
<br /> 32-
<br /> 31/34 5-36/39 5' LEAN CLAY WITH SAND (CL) 30% FN, A, PRLY GRDD SND,
<br /> — 34 70% FNS, M DRY STRNGTH, SLW DLTNCY, M TGHNSS, L—M
<br /> PLST, BRN, NPO, DRY—MST
<br /> 0 CL
<br /> _
<br /> 36-
<br /> 38 36/39 5-41/44 5' SILTY SAND (SM) 80% FN—M, A—SA, W GRDD SND 20%
<br /> FNS BRN, NPO, DRY—MST
<br /> _ 0 /mSM
<br /> 40
<br />
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