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Logged By: Date Drilled: Drilling Contractor: Method/Equipmenc Boring Number: <br /> Hollow Stem Auger <br /> M.B.K. 11/21/96 Mitchell Drilling CME-75 MW-2 <br /> See "Legend to Logs or Boring Ground Groundwater Elevation(ft.): Total Drive Drop <br /> sampling method, Diam• in. : Elev. ft.): <br /> classifications and laboratory ( ) ( Depth(ft.): wt.(lbs.): Dist.(in.): <br /> test methods 10 '� Not Encountered 27.0 140 30 <br /> u <br /> a c o0 <br /> Well <br /> 2 o Description a a <br /> ' Construction � _ E <br /> Q v] � C ,j ci <br /> x <br /> + Traffic boxASPHALT: 2" thick <br /> set in FILL: <br /> concrete MW2-1 <br /> (SP) SAND, fine grained, r«oderate brown, slightly moist Bag 0-5' <br /> to moist, no petroleum odor <br /> 2" dia. solid 5 10 DUNE/ALLUVIUM DEPOSITS _ MW2-2 <br /> Sch. 40 PVC 4 (SP)SAND, fine grained, moderate brown, moist, slightly <br /> casing 0.5" 14 petroleum odor <br /> cement grout <br /> J <br /> 115 10-1 <br /> (SP)Same as above, slightly moist to moist, no petroleum 0 MW2-3 <br /> Bentonite 15 <br /> pellets 17 <br /> hydrated witl <br /> tap water <br /> 15 12 (SP)Same as above, fine to coarse grained, light yellow 0 MW2-4 <br /> 1 13 ,brown, slightly moist, predominantly moist, no odor <br /> 1 14 (ML) SILT, with pores, moderate yellow brown, moist to J_ <br /> 4" dia. Sch. 12 %wet _ MW2-5 <br /> 40 PVC 12 (CL)Silty CLAY, moderate yellow brown, moist to wet, <br /> _ 0.010" 13 numerous expansion shears <br /> slotted pipe <br /> 20 <br /> 16 (CL)Same as above, wet, no petroleum odor, geotechnical MW2-5 <br /> #2/12 RMC 12 sample disturbed – <br /> Monterey 13 <br /> sand <br /> End cap <br /> 25—M <br /> 16 (ML-CL)Silty CLAY and Clayey SILT, moderate yellow MW2.6 <br /> 17 brown, wet, no odor <br /> 25 <br /> T.D. – 27.0 feet below ground surface <br /> Groundwater encountered at 16.0 feet during drilling and <br /> measured at 15.9 feet 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 /> Project No. 40007-097-01 Date Nov.96 Log of Boring <br /> Figure <br /> A-2 (sheet 1 of 1) <br />