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W w > BORING NO, SB-1 <br /> WCal W <br /> L WZ A WZ <br /> ? a z > a a GEOLOGIST D. 'BANNON <br /> .��..rr c M, WELL.CLOSURE a c� <br /> = a m W - Dt o SUMMARY❑ EDITED BY D. BANNON DATE BEGAN 1/31/92 <br /> i- N 1 > 0000 o d CHECKED BY C. BEAN DATE FINISHED 1/31/92 <br /> w n o❑ m TOTAL DEPTH 20 FT GROUND SURFACE EL. 30' fist. <br /> a <br /> 0 DESCRIPTION <br /> ' ASPHALT underlain by sand and gravel flit. <br /> 0 <br /> SILT WITH SAND: Moderate brown, slightly moist, medium stiff, <br /> moderate plasticity„15% fine sand, 60% silt, 25% clay, no odor, <br /> no HCL reaction. <br /> ML <br /> 5 Sill-1 0 <br /> 12/18 -. <br /> 27 <br /> 6.5' <br /> POORLY GRADED SAND WITH SILT: Light brown, dry, medium dense, <br /> 90% fine grained sand, 10% silt with low plasticity, no odor, <br /> no HCL reaction. <br /> Neat <br /> 10 SBI-2 Cement D SP/ Appearance of white carbonate horizon @ 10'. Strong HCL reaction. <br /> 8/18 49 <FA(ed SM <br /> to <br /> grade) <br /> 14.0' <br /> SILTY SAND Pate brown, slightly moist, medium dense, 60% fine <br /> 15 sand, 35% silt with nodernte,pias ticity, trace cloy, no odor, <br /> sat-a 0 slight HCL reaction. <br /> 14/18 27 <br /> SM <br /> Groundwater not encountered. <br /> 20 SB7 <br /> 14/78 TOTAL DEPTH = 20' <br /> 31 <br /> -25- <br /> -30- <br /> 35 <br /> 53035 <br /> SHEET 1 OF I <br /> DRILLING CO.: SPECTRUM EXPL❑RATI❑N, INC, <br /> DRILL METHOD: HOLLOW STEM AUGER <br /> SAMPLING METHOD: SPLIT SPOON SAMPLER <br /> PROJECT NO.: 247815.01 <br /> L CLIENT: YELLOW FREIGHT SYSTEM, INC. INTERNATIONAL <br /> LOCATION: ST❑CKTON, CA TECHNOLOGY <br /> SITE ADDRESS: 4520 SOUTH HWY. 99, STOCKT❑N, CA CORPORATION <br />