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SECOR <br /> International Incorporated <br />' =Date Drilled: Drilling Contractor Project Name: Method/Equipment: Well Number: <br /> CHEVRON#9-0557 CONTINUOUS SAMPLING <br /> 9111101 V & W STOCKTON,CA HOLLOW STEM AUGER MW-11 <br />' See "Legend to Logs" for Boring Surface Groundwater Depth(ft.): Total Drive Drop <br /> sampling method, Diam.(in.): Flev.(ft.): SZ Depth(ft.): wt.(lhs.1: Dist.(m.): <br /> classifications and laboratory 22 FIRST <br /> 8 11.63 32.0 140 30 <br /> i <br /> test <br /> n methods <br /> I � <br /> Well o <br /> Description <br /> Construction n <br /> A ¢' <br /> SILTY CLAY(CL):(10YR6/4), fine-grained sand,medium plasticity, wet, some gray spots, <br /> no hydrocarbon odor(0,10,30,60). <br />' Increasing gray spots. <br /> Color change to(GLEYl4/5G). <br /> I <br /> 30 <br /> IIR2, THREADE -grades to GLEY14/5G medium to high plasticity, strong hydrocarbon odor 0 0 40 60 . <br /> END CAP <br /> 35- <br /> 40- <br /> 45— <br /> The <br /> 54045T'he 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 time of drilling and may not be representative of subsurface conditions at other locations or times. <br /> 6 \( / <br /> Project No. 77CH.43445.00.0370Date 817102 PR Log O well V� <br /> 557MW I I.GPJ Figure <br /> LOG OF BOREHOLE <br /> OF CA <br />