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<br /> 5 ECOR S ECOR
<br /> Logged By: Date Drilled. Drilling Contractor Project Name: Method(Equipment: Wm Number: Logged 9r: Date Drilled: Drilling Contractor Project Name: Method/Equipment: wen Numb¢
<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-15B C.M. 10/17/03 Cascade Drilling Stockton,California Casing Hammer OS-1$B
<br /> Boring Surface Groundwater Depth(It.): Totd Drive I p Boring Surface Groundwater Depth(R): Total Drive Drop
<br /> Diam.(in.): Elev.(ft.): Y 12.5 First Water Depth(iL): wt0bs): Dist.(in.): DiBmo-in.): Elev.(ftJ: Y 12.5 First Water Depth(ft.): wt.0bs.): Dist.(m.):
<br /> 8 37.0 140 30 8 37.0 140 1 30
<br /> Well ate' I F Well
<br /> Description L a Description d.
<br /> ConstructionY p Construction Q
<br /> .Traffic In(IOYR 5/3),fine greined sand,medium dense,damp, 187
<br /> >`Well Box (0,80,20). SILTY SAND SM:dark greenish 100 3/1 fine rained sand,medium dens•' is 2 ( ) gr gray( ), 6 e,
<br /> wet,moderate hydrocarbon odor,(0,60,40).
<br /> ELASTIC SILT(MH):dark grayish brown(I OYR 4/2),fine grained sand,stiff, I 326
<br /> damp,moderate plasticity,(0,10,90). �' v
<br /> 5 FAT CLAY(CH):very dark grayish brown(10YR 3/2),stiff,moist,high plasticity, 30 POORLY GRADED SAND WITH SILT(SPSM):dark greenish gray(LOGY 3/1),
<br /> (0,0,100). 0 Bentonite fine grained sand,medium dense,wet,moderate to strong hydrocarbon odor,(0,90,10).
<br /> 6.
<br /> N3 Sand
<br /> �r 3/4"SCH.80 6
<br /> PVC
<br /> I2"Sparge
<br /> SANDY FAT CLAY(CH):dark gray(5Y 4/I),fine grained sand,very stiff,moist, Ill "lip
<br /> <,Grout t0 high plasticity,(0,20,80). 35 As above,increased grain size to fine-medium grained.
<br /> 1996
<br /> Y ----------- ----------------
<br /> SANDY ELASTIC SILT(MH):dark greenish gray(5GY 3/1),fine grained sand,
<br /> stiff,moist to wet,moderate plasticity,strong hydrocarbon odor,(0,35,65). 1190
<br /> 15 As above,separate phase hydrocarbon sheen,(0,25,75). 8217 40
<br /> (over
<br /> FAT CLAY(CH):dark greenish gray(LOGY 4/1),very stiff,moist,high plasticity, — range
<br /> strong hydrocarbon odor,(0,0,100). 5571
<br /> As above,no separate phase hydrocarbon sheen. (over
<br /> range)
<br /> 6359
<br /> 20 As above,dark greenish gray(5GY 4/1),(0,20,80). (over 45
<br /> range)
<br /> SANDY ELASTIC SILT(MH):dark greenish gray(5G 3/I),fine grained sand,stiff,
<br /> moist m wet,medium plasticity,moderate hydrocarbon odor,(0,30,70). 193
<br /> 136
<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 Projea No. 770T.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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