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Acton • Mickelson • van Dam, Inc. <br />Consulting Scientists, Engineers, and Geologists <br />Log of Soli Boring SB -4 <br />z <br />Hca c <br />m <br />z <br />r <br />Project Number 1904203 <br />COMMENTS <br />Orillmg Time Date <br />Start 1110 9-2T-94 <br />Location Former Beacon Station #610 <br />Finish 1220 9-2T-94 <br />3300 Waterloo Road <br />Stockton, California <br />damp <br />Drilling Company Mitchell Drilling Environmental <br />Drilled By Eddie Mitchell <br />Completion Depth 50 Feet <br />Drilling Method CME 75 High To(que, 8' 0 D HSA <br />26 <br />50 <br />Logged By S LIATY <br />Sampling Method California Modified Split Spoon <br />Checked By <br />Fitted With 2 z6' Brass Sample Sleeves <br />/5 <br />DESCRIPTION <br />o= �r <br />C-) <br />z <br />Hca c <br />m <br />z <br />r <br />a <br />w <br />COMMENTS <br />CONCRETE <br />—=ML <br />—__— <br />SILT, Yellowish brown (to YR 5/8), <br />damp <br />26 <br />50 <br />11 <br />11 <br />--_ <br />/5 <br />jQ minor fine-grained sand at 10 feet—____ <br />gp <br />12 <br />12 <br />__— <br />/6 <br />CL <br />SILTY CLAY, Dark brown (10 YR <br />3/3), moist <br />1 <br />27 <br />50 <br />12 <br />12 <br />/6 <br />20 <br />15 <br />a; 18 <br />18 <br />20 18 18 <br />25 35 <br />27 <br />50 12 12 <br />/ <br />30 6 <br />$84-1 <br />584-2 <br />S84-3 <br />S84-4 <br />Seo -6 <br />S84-6 <br />continued an next page) Page 1 or 2 <br />