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LOG OF BORING NP-1
<br /> ARCADIS (Page 2 of 4)
<br /> GERAGHTY&MILLER
<br /> Unocal site#0187 Date Completed November 21,1998 Drill Rig
<br /> 437 E Miner Avenue Logged By Rheinhard Rumke Driller Van
<br /> Stockton,California Checked By Stephen Cullen Diameter a 25 inches
<br /> CemenDrilling Company Woodward Drilling Backfill Material MDdure(5%b nde Grout
<br /> S6000070 0004 Drilling Method Hallow-stem Auger Mudure(5%bentonite)
<br /> Weill NP1-22(upper)
<br /> We112 NP1-65(middle)
<br /> m We113 NP1-111 (lower)
<br /> Depth �j (ni m PID, Elev 10 85
<br /> in a
<br /> a DESCRIPTION REMARKS
<br /> m
<br /> Feet E (pp-)Lab No m in om c�7
<br /> 30 17 SILT,some fine grained sand, 1 schedule
<br /> 20 1 5 125 ML greyish brown,2 5 Y 5/2,slightly 40 PVC
<br /> 20 moist,firm
<br /> ®
<br /> --------- DriveSimulprobe
<br /> 15 373 --T A Sand Pack
<br /> CLAY,some silt and fine-grained #3[onestar
<br /> sand,grey,wet
<br /> 35 27 ® 4 schedule
<br /> CLAYEY SILT,greyish brown,l0 YR 40 PVC
<br /> 45 15 1218
<br /> 50 512,very moist,slightly plastic,firm screen 02
<br /> slot
<br /> CIL
<br /> Time release
<br /> 40 bentonite
<br /> ®
<br /> 15 1133 CLAYEY SILT,dark greyish pellets
<br /> brown,2 5 YR 412,very Drive Simulprobe
<br /> moist,moderately plastic,soft
<br /> 45 15 -�
<br /> -- --------------------- �=
<br /> 27 ® 1 5 s15 SILTY SAND,grey 5 Y � _
<br /> 412,moist,firm,at 45 6 grading to SILT,
<br /> 38
<br /> some fine grained sand,grey,5 Y - —
<br /> 412,moist,firmY -
<br /> ML
<br /> Cement/
<br /> 50 Y
<br /> Bentonite
<br /> FINE SAND,some silt,grey;wet r Drive&mulprobe __ - - _ Grout
<br /> ® SM Not enough soil
<br /> t for PID reading
<br /> c 23 SILT,some clay-,dark greenish grey,5 glass�asal in a
<br /> r
<br /> M 43 15 595 G 4/l,moist,slightly plastic,firm provided by _
<br /> 50 mobile lab
<br /> SILT,some clay;dark greenish grey,5 =
<br /> 24 G 4/l,moist,silghty plastic,firm
<br /> 55 1 1419 - - - —
<br /> 0(3 - -
<br /> Pi ML SILT,some clay,fine grain sand,
<br /> 46 becoming sandier at bottom,dark -
<br /> 1 1567 greenish grey,5 G 4/1,moist,slightly
<br /> 0{3 plastic,firm -
<br /> [204 SANDY SILT,flne grained,greyvery Time release
<br /> X1 707 moist bentonde
<br /> 50 pellets
<br />
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