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0 6
<br /> SECOR SECOR
<br /> Logged By: Date Drilled: Drilling Contractor Project Name: Method/Equipment: Wdl Numbs Logged By: Date Drilled: Drilling Contractor Project Name: Method/Eq.,Pment Wdl N-bw.
<br /> STTC-Ozone Well Install Hollow Stem Auger STTC-Ozone Well Install Hollow Stem Auger
<br /> C.Melanlon 11/5/03 Cascade Drilling Stockton,California CAL Split Spoon OS46 C.Melanion I1/5/03 Cascade Drilling Stockton,California CAL Split Spoon OS47
<br /> Boring SurfaceTGroundwater Depth(ft.): Total Drive Drop Bonn Surface Groundwater Depth(ft.): TOW Drive
<br /> Dtam.(im.): Elev.(R) 9.75 First Water Depth(ft.): wtobs.): D'uL(ml Diam.(in.): El-.(ft.) SZ 9.5 First Water Depth(ft.): wLObs.): Dis�):
<br /> 8 19.5 140 30 8 21.0 140 30
<br /> E n
<br /> Well t:. 8 � X iu Well
<br /> c 1 Description a y r Description o v
<br /> Constructiona, = sin Construction c v p � —
<br /> rr77g
<br /> u, s
<br /> .Traffic Rated .Traffic Rated
<br /> i'Well Box Well Box
<br /> J.
<br /> (,rout ::Grout
<br /> 5 RAT CLAY(CH)•black(10YR 2/1).stiff,damp,high 29 5 5 FAT CLAY(CH):black(10YR 2/1),stiff,damp,high
<br /> 5 plasticity,faint hydrocarbon odor(0,0,100).' 5 plasticity,faint hydrocarbon odor(0,0,100).' 13 1310
<br /> 5
<br /> R
<br /> Y — -- - ——— ———
<br /> 10 7 FAT CLAY WITH SAND(CH):brown(lOYR 5/3),fine 32 10 5 ELASTIC SILT WITH SAND(11 M%kk greenish gray
<br /> 6 grained sand,stiff,moist,high plasticity,strong 52 OS-46 1240 tt 7 (IOY 4/1),fine grained sand,stiff,moist to wet,moderate 216
<br /> Y`Betrmnite 7 drocarbon odor,0 15 85. 259 @10' 9 plasticity,strong hydrocarbon odor,(0,25,75). 153
<br /> Chips ELASTIC SILT WITH SAND(MII)d3rown(10YR 5/3),
<br /> P fine grained sand,stiff,moist to wet,moderate plasticity,
<br /> faint hydrocarbon odor(0,20,80). Chips ite
<br /> Chips
<br /> Sand
<br /> 7 5
<br /> t5 6 ELASTIC SILT(MH)dark greenish gray(10Y 4/1),stiff, 299 OS-46 1250 Sand 15 g SANDY ELASTIC SILT(MH)duk greenish gray(5GY 296 OS-47 1330
<br /> 2^S ere 8 ois hi h plasticity,strop hydrocarbon odor,(0,10.90). 277 (e�15' 8 3/1),fine grained sand,very stiff,moist,moderate plasticity, 361 (a315'
<br /> P B SILTY SAND(SM)dark greenish gray(5GY 3/1),fine from h drocarbon odor 0 0 70.
<br /> TIP 7 gained sand,medium dense,moist to wet,(0,60,40). 383 6 FAT CLAY(CH)Aark greenish gray(5GY 3/1),tine 369
<br /> gained sand,stiff,moist,high plasticity,strong
<br /> 7 SANDY ELASTIC SILT(MH):dark greenish gray(50Y :)2'Sparge 8 drocarbon odor 0 SO 90.
<br /> 7 311),fine grained sand,stiff,moist,moderate plasticity, 147 Tip 8 ZrND(SM):dark greenish gray(5GY 3/1),fine 96
<br /> 7 moderate hydrocarbon odor 0 30 70. 5 'moil sand medium dense w moderate odor,0 70 30.
<br /> 20 79 20 SANDY SILT(ML)dark greenish gay(5GY 3/1),fine
<br /> grained sand,stiff,moist to wet,low plasticity,moderateh drocarbon odor, 0 0 70.
<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 tog 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. Date 9/29/04 DWR Log of Well Project No. Date 929/04 DWR Log of Well
<br /> OSA4-51.GPJ Figure OS44-51.GPJ Fib
<br /> LOG OF BOREHOLE LOG OF BOREHOLE
<br /> (sheet 1 of I) (sheet I of 1)
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