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L SECOR <br /> lntff=donar Incorporated <br /> Logged By: Dates Drilled: Drilling Contractor Project Name: Meth-VEquipment: Boring Number: <br /> 4/26101 CASCADE CHEVRON#92396 SPLIT SPOON <br /> EG 4/26101 DRILLING ACAMPO,CA HSA 58-2 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft.): Total Drive Drop <br /> sampling method, Diam(in.): Elev.(ft.): V 70 FIRST Depth(ft.): wt.(lbs.): Dist.(in.): <br /> classifications and laboratory $ NIA 79.0 280 30 <br /> testin methods <br /> Well Description Q <br /> a <br /> Construction Q z <br /> CO <br /> GROUT X 21 SANDY SILT(ML):brown(7.5YR4/3),fine-to medium-grained 0 <br /> 19 sand,medium dense,slightly moist,no odor(0,45,50,5). <br /> 18 <br /> 55 <br /> 15 SAND(SP):brown(7.5YR4/3),medium-grained,loose,moist,poorly 0 <br /> 17 graded,no odor(0,100,0,0). <br /> 24 <br /> 60- <br /> -x 14 SAND(SP):brown(7.5YR4/3),medium-grained,loose,moist,poorly 0 <br /> 15 ; graded,no odor(0,100,0,0). <br /> 17 <br /> 65- <br /> 15 SAND(SP/SM):brown(7.5YR5/2),with silt,fine-grained,loose, 0 S13-2 <br /> 17 moist,poorly graded,no odor(0,90,10,0). @65' <br /> 17 <br /> 70-- <br /> 17 SAND(SP):dark gray(7.5YR4/1),medium-grained,loose,wet, 0 <br /> 20 poorly graded,no odor(0,100,0,0). <br /> 23 <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 /> Project No. 077.43485.170 Date 7111/01 DM Log of Boring <br /> 92396B2.GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 3 of 4) <br />