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WW ; B❑RING N0, SB - 4 <br /> W W Co <br /> fy D [a w Z E W <br /> Z d Z } c cn� WELL CLOSURE CL <br /> a u GEOLOGIST D, BANNON <br /> I w 3 C3 SUMMARY o EDITED BY D. BANNON DATE BEGAN 1/31/92 <br /> FL <br /> T <br /> 0 a o a CHECKED BY C, BEAN _ DATE FINISHED 1/31/92 <br /> u go TOTAL DEPTH .20 FT GROUND SURFACE EL. 30' inst. <br /> a r <br /> D DESCRIPTION <br /> 0 6' ASPHALT underlain by angular gravel FIR. <br /> 1.0' <br /> SILTWITH SANDS Moderate brown, slightly moist, soft, moderate <br /> plasticity, 25% fine to medium subangular sand, 70% silt, trace clay, <br /> no odor,.slight HCL.reaction. <br /> ML <br /> 5 SB4-1 5 <br /> 12/18 45 <br /> 7.0' <br /> POORLY GRADED SAND WITH SILTi Light'brwon, dry, medium dense, <br /> 90% fine grained sand, 10% silt with low plasticity, no odor, <br /> -slight HCL reaction. <br /> ID ssb-2 9/18 Neo t 0 <br /> Cement <br /> 38 ((Filled White carbonate horizon @ 8'. Strong HCL reaction. <br /> grade) <br /> SP/ <br /> SM <br /> 15 SB4-3 <br /> 0 <br /> 14/18 33 <br /> 17.5' <br /> SILTY SANDi Pule brown, slightly moist, medium dense, 70/ fine <br /> sand 35% silt with low plasticity, trace clay, no odor, <br /> SM slight HCL reaction. <br /> Groundwater not encountered. <br /> 20 SB4-4 <br /> 18/18 45 TOTAL DEPTH = 20' <br /> 25 <br /> 30 <br /> r 35 <br /> ., SHEET 1 OF t <br /> DRILLING C❑,: SPECTRUM EXPL❑RATION, INC. <br /> DRILL METHOD: HOLLOW STEM AUGER <br /> SAMPLING METHOD: SPLIT SPOON SAMPLER <br /> PROJECT NO.: 247815.01 <br /> CLIENT: YELLOW FREIGHT SYSTEM, INC, INTERNATIONAL <br /> LOCATIONi ST❑CKT❑N, CA TECHNOLOGY <br /> SITE ADDRESS: 4520 SOUTH HWY. 99, STOCKTON, CA CORPORATION <br />