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LOG OF BORING NP-1
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<br /> ARM
<br /> IS (page 4 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 8 25 inches
<br /> Drilling Company Woodward Drilling Backfill Material Ceture(5enton to Grout
<br /> 58000070 0004 Mudure(5%bentonde)
<br /> Drilling Method Hollow-stem Auger
<br /> Weill NPl-22(upper)
<br /> We112 NPl-65(middle)
<br /> Well3 NPI-111 (lower)
<br /> Dea 8 Elev 10 85
<br /> Depth �y a PID, yr a DESCRIPTION REMARKS
<br /> o E m (ppm)
<br /> Fest Lab No m r1°n om C7
<br /> 90 - - -
<br /> 1 8 SILT,increased fine sand Drive simulprobe �
<br /> content,dark greenish grey,5 G
<br /> 411,very moist,slightly plastic,soft - -_- —_
<br /> SILT,increased fine sand �-
<br /> 73 content,dark greenish grey,5 GY —
<br /> 4/l,slightly moist,slightly plastic,soft -
<br /> SILT,increased fine sand
<br /> 95 8 content,dark greenish grey,5 G `
<br /> 411,slightly moist slightly plastic,soft
<br /> SILT,increased fine sand v Cement/
<br /> Bentonite
<br /> 35 content,dark greenish grey,5 G
<br /> 411,slightly moist,slightly plastic,soft — —__ — Grout
<br /> SILT,increased fine sand ==`�
<br /> 21 content,dark greenish grey,5 G
<br /> 4J1,slightly moist,slightly plastic,soft '_~ —
<br /> I DO M L
<br /> SILT,increased fine sand Drive simulprobe -
<br /> 9 content,dark greenish grey,5 G
<br /> 4/1,slightly moist,slightly plastic,soft —
<br /> SILT,increased fine sand =
<br /> 11 content,dark greenish grey,5 G
<br /> 411,slightly moist,slightly plastic,soft
<br /> IS SILT,increased fine sand
<br /> 105 30 12 content,dark greenish grey,5 G Time
<br /> 0(5 411,slightly moist,slightly plastic,soft release
<br /> bentonite
<br /> No recovery at pellets
<br /> 106'-108
<br /> SILT,increased fine sand
<br /> 5 content,dark greenish grey,5 G
<br /> 4J1,slightly moist,slightly plastic,soft
<br /> 110 - - ------------------------- Drive Simulprobe Sand Pack
<br /> SILTY SAND,fine grained, #3 lonestar
<br /> 1 5 6 grayish-black,wet
<br /> ii
<br /> E
<br /> 30 is 10 SILTY SAND,some medium grained
<br /> 0(4 SM sand,less silt,grayish-black,wet 1^schedule
<br /> � 20 1 5 8 SILTY SAND,some medium grained 40 PVC
<br /> -
<br /> 0( 020 slot sand,less silt,grayish-black,wet screen
<br /> 115 12
<br /> Q 50 15 74 CLAY,some sift,5 G 411,slightly
<br /> 0(4 moist Drive Simulprobe
<br /> ., 25 CL CLAY,some sift,5 G 411,slightly
<br /> 30 1 7 moist
<br /> ISO A I—
<br /> 3End of boring at IIT
<br /> 120 Sampled to 119
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