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0 <br /> S ECOR <br /> Logged By: Date Drilled: Drilling Contractor Project Name: Method/Equipment: well Number: <br /> STTC-Ozone Well Install Hollow Stem Auger <br /> C.Melanion 11/6/03 Cascade Drilling Stockton,California CAL Split Spoon O5-35 <br /> Boring Surface Groundwater Depth(ft.): Total Drive Drop <br /> Diam.(in.): Elev.(ft.): -1Z 9.5 First Water Depth(ft.): wt.(Ibs.): Dist.(in.): <br /> 8 19.5 140 30 <br /> Well ° z F <br /> x 3 Description ca <br /> Construction 0 .2 a re, <br /> o A � � <br /> � a � <br /> Traffic Rated <br /> Well Box <br /> ;e. e.'' <br /> y <br /> Grout <br /> g 5 FAT CLAY(CH):black(10YR 2/1),stiff,moist,high <br /> 5 plasticity(0,0,100). 1 OS-35 1400 <br /> 5 @5' <br /> b <br /> ;i <br /> V ___________ _________ _____ <br /> 10 5 SANDY SILT(ML):brown(IOY 5/3),fine grained sand, <br /> 5 stiff,moist to wet,moderate plasticity(0,20,80). 0 OS-35 1410 <br /> 9 FAT CLAY(CH):brown(IOYR 5/3),fine grained sand, @10' <br /> very stiff,moist,high plasticity,(0,5,95). <br /> Bentonite <br /> Chips <br /> 15 7 AS ABOVE:brown(IOYR 5/3),stiff,(0,0,100). 0 <br /> Sand 5 <br /> 6 SANDY SILT(ML):dark greenish gray(IOY 4/1),fine 0 OS-35 1420 <br /> grained sand,stiff,moist to wet,moderate plasticity @15' <br /> 7 03070 . 0 <br /> 2"Sparge 7 SILTY SAND(SM):dark greenish gray,(IOY 4/1),fine 0 <br /> Tip 9 tgrained sand medium dense,wet to moist2(0 60�4D___ 0 <br /> 6 FAT CLAY(CH):dark greenish gray(IOY 4/1),very stiff, 0 <br /> moist hi h lastici 0 0 100 . 0 <br /> 8 __� _�P__���� ------------- <br /> 20 9 <br /> 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 <br /> 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. <br /> Project No. Date 9/29/04 DWR Log of Well <br /> OS-33-57.GPJ Figure <br /> LOG OF BOREHOLE <br /> (sheet I of 1) <br />