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AMERICAN EN�RONMENTAL MANAGEMENT Cb'rtPORATION <br /> Project -Newark Sierra-Tank Closure Job No. 81051 Boring NSB-2 Sheet 1 of 1 <br /> Date Started 7/17/90 at 0820 Completed 7/17/90 at 1135 Surface Elevation <br /> Total Depth 21 feet Location Slightly west of original workplan boring B. <br /> Logged By Mike Stephens Drilled By B & F Drilling <br /> Remarks Drilled at 20° angle SS = California Modified Solit S000n Sampler <br /> E F D F SAMPLE I G L <br /> L E E E T N B P D R T R R 0 <br /> E E P E Y U L E E A I E A G <br /> V T T T P M O R P N P C P SAMPLE DESCRIPTION <br /> A H E B W T G O H <br /> T E S 6 H E V I <br /> I R E C <br /> 0 1 (ft) R <br /> N N Y <br /> __0 0.1' CLAYEY FINE SAND some gravel,Dry, (ML). <br /> __l 1.2' FINE SANDY CLAY,medium plasticity,moist,reddish brown,(CL). <br /> 2 2-11.5' SILTY CLAY,some fine sand and,gravel,glass shards,low to medium <br /> plasticity,stiff,slightly moist,petroleum odor,olive gray, <br /> 3 (CL). <br /> — 5 <br /> — 5 <br /> Some concrete at 55. <br /> 7 <br /> a <br /> — g <br /> 10 Drilling easier at 10'. <br /> 11 NSB- 11- <br /> ss 2B 11.25 100% 11.5-13.5' CLAYEY SILT some cement,slightly moist,petroleum odor,some <br /> 12 2A 11.5 black mottling,tan, (ML). <br /> — 13 <br /> 13.5-20.5' SILTY CLAY.some sand,pieces of brick 1.2 cm in length,moist,olive <br /> 14 gray,black and red mottling throughout,(CL). <br /> — 15 <br /> — 16 <br /> 17 <br /> 18 <br /> 19 <br /> 20NSB- 20.75 <br /> SS 2C to 21' 80% 20.5-21' SILTY CLAY,some fine sand,stiff,slightly moist,tan, (CL). <br /> 21 <br /> 21' End of boring. <br /> L <br /> 23 <br /> 24 <br /> 25 <br /> �teeaw0➢(mQ.� <br />