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SEC R SECOR
<br /> Logged By: I Date Drilled: Drilling Contractor Project Name: Method/Equipmene wdl Numbv: Logged By: Date Drilled: Drilling Contractor Project Neme: Method/Fquipmen: well Number.
<br /> STTC-Ozone Well Install Air Rotary STTC-Ozone Well Install Air Rotary
<br /> C.M. 10/17/03 Cascade Drilling Stockton,California Casing Hammer OS-13B C.M. 10/17/03 Cascade Drilling Stockton,California Casing Hammer OS-13B
<br /> Boring 3urfaa Groundwater Depth(k): Total Drive Drop Boring Surface Groundwater Depth(ft.): Total Drive Drop
<br /> Diem.(ut): Elev.(flJ: y 13 First Water Depth(R.): vrt.(Ibs.): Uisc(in). Diam.(in.): Elev.(fl.): Y De R.:
<br /> 13 First Water Depth( ) wt.(Ibs.): Dist(m.):
<br /> 8 37.0 140 30 8 37.0 140 30
<br /> Well a Well d
<br /> Constructiony Description d Construction I Description E
<br /> 6
<br /> 7}affic Rated SILTY SAND(SM):brown(lOYR 5/3),fine grained sand,medium dense,damp, '?
<br /> •;�Well Box (0,90,20).
<br /> is %•.
<br /> 149
<br /> ELASTIC SILT(MH)•dark grayish brown(1 OYR 42).fine grained sand,stiff,
<br /> damp,moderate plasticity,(0,10,90). 155
<br /> Bentonite ___
<br /> 5 FAT CLAY(CH):dark gray(2.5Y 4/1),very stiff,moist,high plasticity,(0,0,100). 0 30 SILTY SAND(SM):dark grayish green(5G 2.5/2),fine grained sand,medium
<br /> + + N3 Sand - dense,wet to moist,moderate hydrocarbon odor,(0,60,40). 326
<br /> As above,increased silt content,faint hydrocarbon odor,(0,0,100). __ _ _
<br /> 3/4"SCH.BO 6 :':2'Sparge POORLY GRADED SAND WITH SILT(SPSM):dark greenish gray(LOGY 3/1),
<br /> PVC Tip fine grained sand,medium dense,wet,moderate hydrocarbon odor,(0,90,10).
<br /> l0 FAT CLAY WITH SAND(CH):dark greenish gray(IOY 4/1),fine grained sand, 34 35 WELL GRADED SAND(SW)•greenish black(5GY 2.511),fine-course grained 2696
<br /> `
<br /> e'.Grout stit1:moist,high plasticity,faint hydrocarbon odor,(0,20,80). sand,well graded,dense,wet,fragments of decaying wood,strong hydrocarbon odor, (over
<br /> } -F (0,100,0). range)
<br /> 4 Y
<br /> __
<br /> SANDY ELASTIC SILT(MH):dark greenish gray(50Y 3/1),fine grained sand,
<br /> 15 stiff,moist to wet,medium plasticity,strong hydrocarbon odor,(0,30,70). 8788 40
<br /> (over
<br /> FAT CLAY(CH):dark greenish gray(5GY 4/1),very stiff,moist,high plasticity, — range)
<br /> strong hydrocarbon odor,(0,0,100). 8881
<br /> (over
<br /> range)
<br /> 20 FAT CLAY WITH SAND(CH):dark greenish gray(10GY 4/1),fine grained sand, 45
<br /> very stiff,moist,high plasticity,moderate to strong hydrocarbon odor,(0,20,80). 427
<br /> v -- -- --- --
<br /> SANDY ELASTIC SILT(MH):dark greenish gray(5GY 4/1),fine grained s—
<br /> and,
<br /> very stiff,moist to wet,moderate plasticity,moderate hydrocarbon odor,(0,30,70). 219
<br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or
<br /> samples obtained during drilling.Predominant material types shown on the log may contain different materials and the change from samples obtained during drilling.Predominant material types shown on the log may contain different materials and the change from
<br /> one predominant material type to another could be different than indicated.Descriptions on this log apply only at the specific location one predominant material type to another could be different than indicated.Descriptions on this log apply only at the specific location
<br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times. at the time of drilling and may not be representative of subsurface conditions at other locations or times.
<br /> Project No. 770T.43673.06.0007 Date 11/19/04 Log of Well Project No. 77OT.43673.06.0007 Date 11/19/04 Log of Well
<br /> OSIB-16B.GP1 Figure OSIB-16B.GP1 Figure
<br /> LOG OF BOREHOLE LOG OF BOREHOLE
<br /> (sheet 1 of 2) (sheet 2 of 2)
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