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.., yr "AINYX <br /> PROJECT' Thriftj Oil Company Station No. 172 BORING No B-4 (MW-4) <br /> 7647 Pacific Avenue, Stockton, CA SHEET No 1 OF 3 <br /> JOB No SSB 91-1038 LOGGED BY D. Stanton ELEVATION TOP OF HOLE 12.63' <br /> RILL RIG Mobile B-57 DRILLED BY SB&S Drilling GROUNDWATER 57.5' <br /> LOCATION South of west fuel island. DATE STARTED 5/31/91 <br /> DATE COMPLETED 5/31/91 <br /> z <br /> z <br /> DESCRIPTION — 3 C REMARKS <br /> + _ <br /> 22 _ — <br /> 47 d >- <br /> <a � � e <br /> 5" Concrete No Hydrocarbon <br /> CL CLAY, Sandy; moist, low to medium Odor <br /> plasticity, organic, black <br /> SM SAND, Silty, moist, fine to medium LRS >50 2 ppm No HydrocarbonOdor <br /> grained, brown <br /> 10 LRS 37 3 ppm No Hydrocarbon <br /> Odor <br /> 1SAND, PoorlyGraded; moist, fine to LRS 25 4 ppm No Hydrocarbon <br /> medium grained Odor <br /> I <br /> i 2 Increasing silt, moist LRS 50 3 ppm No Hydrocarbon <br /> f Odor <br /> 23 <br /> SM SAND, Silty, some clay, moist, red- <br /> brown <br /> 25 ML SILT, Sandy with clay, moist , low LRS >5Q 4 ppm No Hydrocarbon <br /> Odor <br /> plasticity, brown <br /> 304 LRS 20 4 ppm No Hydrocarbon <br /> Odor <br />• � SSB Eriviror-imer-ltai <br /> Corlsultar-�ts, Inc. <br /> 5740 East Shiekis Avenue Swte 103 Fresno CA 93727 (209) 292-5736 <br />