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SEwOR ` <br /> International Incorporated <br /> Togged By: Date Drilled: Drilling Contractor Project Name: Method/Equipment: Well Number: <br /> CASCADE CHEVRON 9-0557 DRIVE SAMPLER <br /> EG 6/18/02 DRILLING STOCKTON,CA HOLLOW STEM AUGER MW-13 <br /> See"Legend to Logs"for Boring Surface Groundwater Elevation(ft.): Total Drive Drop <br /> sampling method, Diam.(in.): Elev.(ft.): V -14.62 FIRST Depth(ft.): wt.(Ibs.): Dist.(in.): <br /> classifications and laboratory <br /> testin methods 8 11.38 33.5 140 30 <br /> Well <br /> x Description <br /> Con traction n �! o <br /> ¢. as <br /> [� E <br /> TRAFFIC Concrete. <br /> I.ATED SILTY CLAY(CL):brown(7.5YR4/3),low plasticity,stiff,dry,no odor <br /> NJELL BOX (0,0,30,60). <br /> A:; R:: <br /> - <br /> .' GROUT <br /> 9 <br /> 20 <br /> 50/2" <br /> b .b.' <br /> i <br /> o? <br /> i0 9 SILTY SAND with CLAY(SM):brown(7.5YR4/4),fine-to medium-grained sand, <br /> 12 well graded,medium dense,moist,no odor(0,75,15,10). <br /> n, o: <br /> 42 <br /> E ENTONIT <br /> 15 <br /> SEAL 34 grades to fine-grained sand,slightly cemented,dense,dry,no odor(0,55,25,20). <br /> 40 <br /> SAND 50/3" <br /> 2 <br /> :'. SLOTTED <br /> SCREEN 20 50/4" SILTY CLAY(CL):brown(7.5YR5/3),with sand,low plasticity,hard,dry,no <br /> odor(0,10,30,60). <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 locatio <br /> at the tirie of drilling and may not be representative of subsurface conditions at other locations or times. <br /> Pro'ect N). 77CII.43445.00.0370Datc 8/13/01 PR <br /> 557MWI 3.GPJCom" ' leo-G3° o <br /> Appr F4 y <br /> LOG OF 30ItEI-10LE <br /> Figure 2} <br /> n <br />