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1 - <br /> 1 Logged By: 7Date Drilled: Drilling Contractor: Method/Equipment: Boring Number: <br /> J Hollow Stem Auger <br /> M.B.K. 1/21/96 Mitchell Drilling CMll75 SB-2 <br /> — gen to gs Boring Ground Groundwater Elevation(ft.): Total Drive Drop <br /> sampling method, am.(in. : Elev. ft.classifications and labor ) ( ) -18.40 Depth(ft.): wt.(lbs.): Dist.(in.): <br /> test methods 8 0.40 1 50.0 140 30 <br /> 0. C oq <br /> Well H N Q <br /> Construction n o Description a <br /> oa <br /> J x <br /> 12 <br /> - -- - - - - -- - - - - - - - - - - - - - - - -- - - - - - <br /> INTERBEDED <br /> 7 (SC-CL) Sandy CLAY with Silt, fine to medium grained, SB2-15 <br /> 35 10 brown, medium dense/very stiff <br /> Backfilled 14 <br /> with cement <br /> Jslurry <br /> 5 SB2-16 <br /> 8 <br /> 40 13 (SM)Silty SAND with Clay, fine to medium grained, <br /> reddish brown, medium dense <br /> 7 (SM) Same as above SB2-17 <br /> 14 <br /> 45 16 <br /> J <br /> 10 (ML-CL) Clayey SILT-Silty CLAY with fine Sand, brown, SB2-18 <br /> 50 <br /> 10 very stiff, medium to low plasticity <br /> 11 <br /> J T.D. = 51.5 feet below ground surface <br /> Groundwater encountered at 17.5 feet below ground surface <br /> Hnu readings in ppm <br /> 1 Standared pin used(1.5") for sampling <br /> J 55 <br /> J <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 types shown on the log may contain different materials and the change from <br /> ow 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 /> _ 1 Project No. 40007-097-01 Date Nov.96 Log of Boring <br /> J Figure <br /> _. A-5 (sheet 2 of 2) <br />