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W W ; B❑RING N❑ SB -2 <br /> W^ <br /> z a z Z a ^ d GEOLOGIST D. BANNON <br /> c F WELL CLOSURE n u <br /> Q m w 3❑ SUMMARY o EDITED BY D. BANNON DATE BEGAN 1/31/92 <br /> n w > o o n CHECKED BY C. BEAN DATE FINISHED 1/31/92 <br /> w ow ca a TOTAL DEPTH ` 20 FT GROUND SURFACE EL. 30' Ins(. <br /> a r <br /> Q DESCRIPTION <br /> 0 6' ASPHALT underlain by sand and gravel fill. <br /> SILTWITH SANDS Moderate brown, slightly moist, soft, moderate <br /> plasticity, 20% fine to medium sand, 65% silt, 15% clay, no odor, <br /> ({' <br /> ML no HCL reaction, <br /> s <br /> jLy 4.0' <br /> POORLY GRADED SAND WITH SILT, Light brown, dry, medium dense, <br /> 5 90% fine grained sand, 107 silt with low plasticity, no odor, <br /> 582-1 0 slight HCL reaction. <br /> 12/18 26 <br /> Appearance of.white carbonate horizon @ 8'. Strong HCL reaction. <br /> 10S92-2 Neat 0 <br /> 12/18 Cement SP/ <br /> 39 (Filled SM <br /> to <br /> grade) <br /> 15 ss2-3 <br /> 18/18 0 <br /> 27 <br /> 18.0' <br /> SILTY SANDS Pale brown, slightly moist, medium dense, 60% Fine <br /> SN sand, 357. silt with low plasticity, trace clay, no odor, <br /> slight HCL reaction. <br /> 20Groundwater not encountered. <br /> SB2-4 <br /> 18/16 <br /> 32 TOTAL DEPTH = 20' <br /> 25 <br /> i <br /> i <br /> 30 <br /> i <br /> i <br /> {r i <br /> 35 <br /> SHEET 1 OF I <br /> DRILLING CO.: SPECTRUM EXPLORATI❑N, INC. <br /> DRILL METHOD: HOLLOW STEM AUGER <br /> SAMPLING METHOD: SPLIT SPOON SAMPLER <br /> t PROJECT NO.; 247815.01 <br /> CLIENT: YELLOW FREIGHT SYSTEM, INC, <br /> LOCATION: ST❑CKTON, CA INTERNATIONAL <br /> SITE ADDRESS: 4520 SOUTH HWY, 99, ST❑CKTON, CA TECHNOLOGY <br /> CORPORATION <br /> i <br />