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11 X <br /> HEPTA SAUPLE o P. D. USC5 DESCRIPTION WELL <br /> NO. �; COOE CONST. <br /> 20 5-20 23 ppmv ML Silt with fine—grained sand, dark yellow brown, dry, " , <br /> no plasticity, very stiff. <br /> 22 <br /> 24 <br /> light olive gray, slightly damp, no plasticity, <br /> 146 <br /> 5-25 53 <br /> 26 ppmv Silt with trace fine—grained sand, slightly damp, hard, <br /> ® <br /> - 28- <br /> 30- S-30 18 6713 Silt, moderate brown, dry, very stiff. •: <br /> i <br /> - 34 <br /> 5-35 54 6356 trace clay, slightly damp, hard. <br /> 35- <br /> 38- <br /> 40 <br /> 838¢0 5-40 28 ppmv Silt, very stiff. <br /> 42 <br /> i <br /> 44 <br /> 322 trace clay, moderate yellow brown, dry. <br /> 5-45 34 my <br /> 46PP Silt with some fine—grained sand, hard. <br /> 48 ® Sand, fine— to medium—grained, light olive gray, wet. <br /> J50 SW Total depth m 49 feet. <br /> Baring backfilled with cement/bentonite. <br /> 3 <br /> r <br /> LOG OF BORING B-3 PLAT <br /> ARC® Service Station No. 548 <br /> i. APPlr.d1612 Hammer Lane PM10 . . <br /> PROJECT N0. 30004-2 Stockton. California <br /> ;a <br /> ligi <br />