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LOG OF BORING <br /> PROJECT Thrifty Oil Company Station No. 172 BORING No B-1 (MW-1) <br /> 7647 Pacific Avenue, Stockton, CA sHEET No 2 OF 3 <br /> No SSB 91-1038 LOGGED BY J. Paul ELEVATION. TOP OF HOLE 12.92' <br /> DRILL RIG Mobile B-57 DRILLED BY SB&S Drilling GROu14DwATER 58 ' <br /> OCATION Northwest corner of site. DATE STARTED 5/23/91 <br /> DATE COMPLETED 5/23/91 <br /> z F <br /> Ij <br /> c z <br /> DESCRIPTION _ O C u REMARKS <br /> y } C L N <br /> - 6 Cn _ Q <br /> ML SILT, Sandy; moist, slight plasticity <br /> dark grayish-brown <br /> 35 LRS 26 28 ppm Slight Hydrocarbon <br /> Odor <br /> Becoming sandy. Voids filled with LRS 25 42 ppm Slight Hydrocarbon <br /> white mineral. Odor <br /> SM SAND, Silty, fine to medium grained, LRS 16 72 ppm Slight Hydrocarbon <br /> moist, grayish-brown Odor <br /> LRS 30 188 ppm Slight Hydrocarbon <br /> Odor <br /> Blocky texture LRS 47 22 ppm Slight Odor <br /> r <br /> r0 f SP SAND, Poorly Graded; fine to medium <br /> Lr`- <br /> __ 1 dish-brown LRS 6 ppm No Odor <br /> SS8 Environmen�a! <br /> Consultants, Inc. <br /> 5740 East Shielas Avenue Suite = Fresno CA 93727 (209) 292-5736 <br />