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<br /> S E C O R S E C O R
<br /> Logged By. Date Drilled: Drilling Contractor Project Name: Method/Equipment: W41 Number: Logged By. Dote Drilled: Drilling Contractor Project Name: Method/Equipmenk wdl Nwobv
<br /> STTC-Ozone Well Install Air Rotary STTC-Ozone Well Install Air Rotary
<br /> C.M. 10/20/03 Cascade Drilling Stocktoo,California Casing Hammer OS-12B C.hl. 10/t0/03 Cucade Drilling Stockton,California Casing Hammer OS-12B
<br /> Boring Surface Groundwater Depth(fl.): Total Drive Drop Boring Surface Groundwater Depth(ft.). Total Drive Drop
<br /> Diam.(in.). Elev.(fl.): 5Z 11 First Water Depth 00: wt.(IbsJ: Dist.(m.): Dtam.(in.): Elee(fl.): Y 11 First Water Depth(R): wt.(..7): Dln.(in):
<br /> 8 39.0 140 30 8 39.0 140 30
<br /> c
<br /> Well Description Well a a Description
<br /> E,
<br /> Construction S P
<br /> �u § in Construction Y
<br /> a o
<br /> N �
<br /> .Traffic Rated SILTY SAND(SM):brown(IOYR 5/3),fine grained sand,medium dense,damp, high plasticity,moderate hydrocarbon odor,(0,10,90).
<br /> Well Box (0,80,20). ______ _________ __________
<br /> SANDY ELASTIC SILT(MR):dark greenish grey(5GY 3/I g),fine rain ed sand, 122
<br /> +• ?:' stiff,moist to wet,moderate plasticity,moderate hydrocarbon odor,(0,30,70).
<br /> ELASTIC SILT(MH):dark grayish brown(10YR 4/2),fine grained sand,stiff, ___ _____ ________ _______ ____ ___
<br /> damp,moderate plasticity,(0,10,90). SILTY SAND(SM):dark grayish green(SG 2.5/2),fine grained sand,medium
<br /> .::
<br /> v Betti[e dense,wet to moist,moderate hydrocarbon odor,(0,60,40).
<br /> 5 FAT CLAY(CH):very dark gray(I OYR 3/1),very stiff,moist,high plasticity, _ ___ _ ____ _ _
<br /> 30
<br /> (0,0,100). POORLY GRADED SAND WITH SILT(SP-SM):dark greenish gray(IOGY 3/1).
<br /> 0 #3 Sand fine grained sand,medium dense,wet,moderate hydrocarbon odor,(0,90,10).
<br /> �i 3/4"SCH.80
<br /> PVC
<br /> WELL GRADED SAND(SW):greenish black(5GY 2.5/1),fine-course grained
<br /> FAT CLAY WITH SAND(CH):dark gray(SY 4/I),fine grained sand,stiff,moist, 2"Sparge :( sand,well graded,dense,wet,moderate hydrocarbon odor,(0,100,0).
<br /> Grout
<br /> tp high plasticity,(0,20,80). 4 Tip 35
<br /> Y
<br /> SAND Y ELASTIC SILT(MH):dark greenish gray(IOY 4/1),fine gmitied sand, S5
<br /> stifl;moist to wet,moderate plasticity,moderate to strong hydrocarbon odor,(0,30,70). 118
<br /> +:
<br /> ..
<br /> 218 ------------------------------ --
<br /> 15 40
<br /> a'. FAT CLAY(CH)•dark greenish gray(10Y 4/1).very stiff,moist,high plasticity,
<br /> moderate hydrocarbon odor,(0,0,100). 487
<br /> -----------------gra--------------
<br /> SII.TY SAND(SM):dark greenish gray(5GY 4/I),fine ined send,medium
<br /> dense,wet,moderate hydrocarbon odor,(0,80,20). 256
<br /> 20 45
<br /> SANDY ELASTIC SILT(MH):dark greenish gray(SGY 4/1),firm grained send,
<br /> stiff,moist to wet,moderate plasticity,moderate hydrocarbon odor,(0,30,70). 154
<br /> FAT CLAY(CH):dark greenish gray(IOGY 4/1),fine grained sand,stiff moist, 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 Project No. 77OT.43673.06.0007 Date 11/19/04 Log of Well
<br /> OSIB-16B.GP1 Figure OSIB-16B.GP1 piggy
<br /> LOG OF BOREHOLE LOG OF BOREHOLE
<br /> (sheet I of 2) (sheet 2 of 2)
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