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Logged By: Date Drilled: Drilling Contractor: Method/Equipment: Boring Number: <br /> J Hollow Stern Auger <br /> M.B.K. 11/21/96 Mitchell Drilling CM1r75 MW-3 <br /> " gend to <br /> Logs or Boring Ground Groundwater Elevation(ft.): Total Drive Drop <br /> sampling method, Diam.(in.): Elev.(ft.): $Z Depth(ft.): wt.(Ibs.): Dist.(in.): <br /> classifications and laboratory <br /> test methods 10 = 26.5 140 30 <br /> 1 1 <br /> T S c A <br /> Well t- <br /> v 3 Description a H <br /> Construction t5 E 0 E <br /> � x <br /> Traffic box _ ASPHALT: 1" thick <br /> set in FILL: <br /> concrete (SP)SAND, fine grained, light brown, moist <br /> - - -- - - - - - - - - - -- - - - - - - - - - - - - - - - - <br /> DUNE/ALLUVIUM DEPOSITS: <br /> 2" dia. solid 5 -; (SP) SAND, fine grained, moderate brown, slightly moist 0 MW3-1 <br /> Sch. 40 PVC 10 to moist, no petroleum odor <br /> casing 0.5" 12 <br /> cement grow <br /> 7 <br /> 10-114 (SP)Same as above, fine to medium grained, slightly moist 0 MW3-2 <br /> Bentonite 16 to dry, no petroleum odor <br /> pellets 21 <br /> hydrated wi <br /> =:. tap water <br /> 15 7 (SP)Same as above, fine to medium grained, moist to wet, 0 MW3-3 <br /> 14 no petroleum odor <br /> J 19 <br /> 4"dia. Sch. <br /> 40 PVC <br /> :. 0.010" -- --- --- - - ------ - -- - -- - - - - - - - - - <br /> slotted pipe <br /> 20 6 (CL)Silty CLAY, moderate yellow brown, moist, no MW3-4 <br /> #2/12 RMC 6 petroleum odor <br /> Monterey 9 <br /> -.' sand <br /> End cap25-1 <br /> 5 (CL)Same as above, moist, no petroleum odor MW3-5 <br /> 5 <br /> 5 T.D. = 26.5 feet below ground surface <br /> Groundwater encountered at 16.0 feet below ground surface <br /> during drilling and measured at 16.73 feet from top of <br /> casing on 11/22/96 <br /> Hnu readings in ppm <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 /> 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 /> j Project No. 40007-097-01 Date Nov.96 Log of Boring <br /> {� Figure <br /> A-3 (sheet 1 of 1) <br />