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I SECOR <br /> Internationallnco orated <br /> Logged B=DateDnilled:: Drilling Contractor Project Name: Method/Equipment: Well Number: <br /> GREGG CHEVRON#9-0557 DRIVE SAMPLER <br /> EG DRILLING STOCKTON,CA HOLLOW STEM AUGER OS-4S/4D <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft.): Total Drive Drop <br /> sampling method, Diam.(in.): Elev.(ft.): SZ 32 Depth(ft.): wt.(lbs.): Dist.(in.): <br /> classifications and laboratory <br /> testing methods 8 12.04 45.0 140 30 <br /> 171 0 <br /> Well 0 3 Description <br /> Construction v <br /> SEAL 18 SILTY CLAY(CL):yellowish brown (IOYR5/4),medium plasticity,moist,stiff, <br /> 30 no petroleum odor(0,0,35,65). <br /> SAND 30 <br /> OZONE <br /> E 30 <br /> 6 SILTY CLAY(CL):grayish brown(I OYR512),medium plasticity, moist,soft, <br /> BENTONI 6 slight petroleum odor(0,0,20,80). <br /> SEAL 8 <br /> I 35 <br /> 6 SILTY CLAY(CL):greenish gray(511013G-GLEY2),medium plasticity,wet,soft, <br />' • 8 strong petroleum odor(0,0,15,85). <br /> 10 <br /> 40 5 SILTY CLAY(CL):dark greenish gray(4110BG-GLEY2), low plasticity,wet,soft, <br /> 8 strong petroleum odor(0,0,30,70). <br /> SAND 15 <br />' OZONE <br /> 45 SILTY CLAY(CL):very dark gray(2.5Y3/1), low plasticity,wet,stiff,petroleum <br /> 1$ odor(0,0,40,60). <br /> 35 <br /> 40 <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 locatio <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times. rC <br /> rr,TT <br /> Project No. 77CH.43445.00.0370Date 817102 PR Log o *Pell <br /> 5570S4.GPJ Figure Il? iE <br /> LOG OF BOREHOLE ` xp' <br /> t of 2 Q. <br /> fix,C A�`FO <br />