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1 SECOR <br /> International rncorporared <br /> Logged By: Dates Drilled: Drilling Contractor Project Name: Method/Equipment Boring Number: <br /> 4/27/01 CASCADE CHEVRON#92396 SPLIT SPOON <br /> EG 4/27/01 DRILLING ACAMPO, CA HSA SB-3 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft.): Total Drive <br /> Drop <br /> sampling method, Diam.(in.): Elev.(fL): V 70 FIRST Depth(ft.): wt.(lbs.): Dist.(in.): <br /> classifications and laboratory $ NIA 79.0 280 30 <br /> testin methods <br /> Well A o Description Q ] <br /> Construction A '54 <br /> GROUT 20 SAND(SW): strong brown(7.5YR5/8),fine-to medium-grained,well 0 <br /> 23 •' ' graded,loose,moist,no odor(0,95,5,0). <br /> 21 :•:•: <br /> 30 20 SILTY SAND(SM): strong brown(7.5YR4/6),fine-to 0 <br /> 28 medium-grained ssand,medium dense,slightly moist,no odor <br /> 32 (0,75,20,5). <br /> 35- <br /> 16 SAND(SP):brown(7.5YR5/4),medium-grained,medium dense, 0 <br /> 20 poorly graded,slightly moist,no odor(0,90,5,5). <br /> r 24 <br /> 40- <br /> 14 SILTY SAND(SM):brown(TMS/4),fine-grained sand,some 0 <br /> 20 X., -medium-grained,dense,slightly moist,no odor(0,55,40,5). <br /> 25 <br /> 45— <br /> _X13 SILT(ML):brown(7.5YR5/3),with clay,soft,slightly moist,no odor 0 <br /> 16 (0,5,85,10). <br /> 17 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or samples <br /> obtained during drilling. Predominant material types shown on the log may contain different materials and the change from one <br /> predominant material type to another could be different than indicated. Descriptions on this log apply only at the specific location at the <br /> time of drilling and may not be representative of subsurface conditions at other locations or times, <br /> v Project No. 077.43485170 Date 7/11/01 DM Log of Boring 011101 <br /> 92396B3.GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 4) <br />