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Logged By: Date Drilled: DrillingContractor: <br /> Le Method/Equipment: Boring Number: <br /> Hollow Stem Auger <br /> M.S.K. 11/21/96 Mitchell Drilling CME-75 SB_2, <br /> s Ph me to Logs" for Bonin Groundwater Elevation(ft.); 7toh (rlbs.) <br /> sam lin method, g Ground <br /> Diam.{in.): Elev.(ft.): Q DepthDrop <br /> classifications and laboratory -18.00 Dist.(in.): <br /> �+ test methods 8 0.00 t 30 <br /> 4 wellCU <br /> a Description <br /> Construction a o <br /> V <br /> 12 <br /> �,. --- - - - - - - - - - - - - - --- - -- --- - -- - <br /> INTERBEDED <br /> 7 (SC-CL) Sandy CLAY with Silt, fine to medium grained, SB2-15 <br /> 10 brown, medium dense/very stiff <br /> Backfilled 35 14 <br /> with cement <br /> slurry <br /> � Z5 SB2-16 <br /> 40— 8 <br /> 13 (SM)Silty SAND with Clay, fine to medium grained, <br /> reddish brown, medium dense <br /> � r <br /> 7 (SM)Same as above S132-17 <br /> +r 14 <br /> 45 16 <br /> 4 <br /> T <br /> r 10 (ML-CL) CIayey SILT-Silty CLAY with fine Sand, brown, SB2-18 <br /> 50 10 very stiff, medium to low plasticity <br /> li <br /> T.D. = 51.5 feet below ground surface <br /> Groundwater encountered at 17.5 feet below ground surface <br /> Hnu readings in ppm <br /> Standared pin used(1.5") for sampling <br /> 55 <br /> a. <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling. Predominant material <br /> types shown on the log may contain different materials and the change from <br /> one predominant material type to another could be different than indicated. Descriptions on this log apply only at the specific <br /> location at the time of drilling and may not be representative of subsurface conditions at other locations or times_ <br /> Project No. 40007-097-01 Date Nov.96 Log of Boring <br /> Figure <br /> A-5 (sheet 2 of 2) <br /> i.r <br />