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DRILL RIG CM&75 HSA SURFACE ELEVATION LOGGED BY SLB <br /> DEPTH TO GROUNDWATER Not Encountere IBORING DIAMETER $- DATE DRILLED 10/4/95 <br /> DESCRIPTION AND CLASSIFICATION _ HZLL �- <br /> ' d W �Cn ; REMARKS wJw = <br /> JW � WWNO U`� 3H <br /> SOIL DESCRIPTION G} `� N W w m OWC n <br /> ate.. U <br /> FILL: SILTY SAND(SM), brown; <br /> 25% non-plastic fines; 75% sand; damp. <br /> FILL: SILTY CLAY(CL), brown; <br /> 90% low plasticity fines; 10% sand; <br /> damp. 2 50 <br /> 5 <br /> SILTY SAND (SI): possibly fill, <br /> light brown; 30% low plasticity fines; <br /> 70% sand; loose; damp to moist. 4 80 <br /> ---------------------------------------------------- <br /> ORGANIC SILTY CLAY(OL), <br /> dark gray; 95% low to moderate plas- <br /> ticity fines; 5% fine sand; some de- <br /> composed organic material; soft; moist. 10 3 75 <br /> a 10.5': 0.5 foot thick silty sand Tense. <br /> 7 100 <br /> ® 13.5': root fibers present. <br /> ® 15': greenish gray; otherwise as 15 <br /> above. <br /> 7 100 <br /> ® IT: tip of sampler wet. <br /> Boring terminated® 17 feet. <br /> Notes: <br /> 1. The stratification lines represent <br /> the approximate boundaries between soil <br /> types and the transition may be gradual. <br /> 2. Sufficient information was obtained. <br /> 3. The boring was backfilled with a <br /> cement grout mixture upon completion. <br /> EXPLORATORY BORING LOG <br /> BANNER ISLAND <br /> Stockton, California <br /> Consulting Engineers & Scientists PROJECT NO. DATE BORING <br /> I.067H October 1995 NO <br /> 'Z <br />