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i- o 4- <br /> C �° <br /> � N � W Equipment CMB-75 <br /> •• a <br /> 0 q p Date 3/26/98 <br /> Ground Surface <br /> 0 <br /> DARK YELLOWISH-BROWN CLAYEY SILT(ML) <br /> ' 0 no 10YR3/6,soft,moist, --20%clay,low to <br /> moderate plasticity <br /> ' 5 same,hard,wet <br /> 0 no 25 (sample at 5 5 feet collected from <br /> boring HP-1a located immediately <br /> adjacent to boring HP-1) <br /> ' 10 <br /> 0 no 56 1 same,with blue-gray mottling <br /> 15 <br />' 60 strong 87 same,with increasing sand <br />' DARK YELLOWISH-BROWN CLAYEY SAND(SC) <br /> 10YR3/6,very dense,wet,fine to <br /> medium-grained <br /> 0 no 88 <br /> Boring terminated at 21 p feet <br /> Groundwater encountered at 4 5 feet <br /> while drilling <br />' Borehole backfilled with neat-cement/bentonite <br /> 25 on 3/26/98 <br /> 1 <br />' 30- <br /> 35- <br /> 40J <br /> 03540 <br /> Harding Lawson Associates Log of Boring HP-1 PLATE <br /> Engineering and <br /> • - — Environmental Services Tri Valley Growers-Plant T <br /> 2 26200 Nowell Road A2 <br /> tThornton, California <br /> DRAWN PROJECT NUMBER APPROVED DATE REVISED DATE <br />' YG 38737 008 10/99 <br />