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)gged By: Date Drilled: Drilling Contractor: Method/Equipment: Boring Number: <br /> M.B.K. 11/21/96 Mitchell Drilling Hollow Stem em ager <br /> MW-3 <br /> "Legend to gs" or goring Ground Groundwater Elevation(ft.): Total Drive <br /> sampling method, Diam- in- : Elev, ft. : Drop <br /> classifications and laboratory ( ) ( ) 4 Depth(ft.): wt-(]bs.): Dist.(in.): <br /> test methods 10 = 26.5 140 30 <br /> v <br /> a eu <br /> Well E' Eco <br /> A <br /> Construction A = o Description <br /> x <br /> +..• Traffic box ASPHALT: 1" thick <br /> set to <br /> concrete FILL: <br /> (SP)SAND, fine grained, light brown, moist <br /> +... ---- - - - - --- ------ - - -- - - - - - - - - - - <br /> DUNE/ALLUVIUM DEPOSITS: <br /> 2"dia. solid 5 7 (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 grout <br /> l0 14 (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 witl <br /> :. tap water <br /> La <br /> 15 <br /> 7 (SP)Same as above, fine to medium grained, moist to wet, 0 MW3-3 <br /> 14 no petroleum odor <br /> 19 <br /> LM 4"dia. Sch. <br /> 40 PVC <br /> 0.010" <br /> slotted pipe -- --- ----- - ------- -- -- - - - - -- - --- <br /> �- - 2a <br /> 6 (CL) Silty CLAY, moderate yellow brown, moist, no MW3� <br /> #2/12 RMC 6 petroleum odor - <br /> =' Monterey 9 <br /> sand <br /> End cap 25 <br /> L., 5 (CL)Same as above, moist, no petroleum odorMW3-5 <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 /> +N 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 /> Project No. 40007-097-01 Date Nov.96 Log of Boring <br /> �... Figure <br /> A-3 (sheet 1 of 1) <br />