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PROJECT: POMBO PROPERTY -- _ <br /> Tracy, California Log of Boring No. GMX-29 (cont'd) <br /> SAMPLES O <br /> i s '� I E o E DESCRIPTION REMARKS <br /> w a' E E !o o O < a NAME(RSCS):color,moist,%by wt.,plast.density,structure, <br /> o" z y m all "' cementation,react.w/HCI,geo. inter. <br /> �� SANDY LEAN CLAY(CL):(Cont.) I_ <br /> 16- <br /> 25 III j Grab groundwater sample <br /> - T GMX-231000 collected <br /> l r brown(10YR 4/3), no hydrocarbon odor_________ r_ through-5'of 1"OO Sch. <br /> 17 ail POORLY GRADED SAND with SILT SP-SM) 40 PVC screen(0.01"slot <br /> p ( yellowish <br /> ` brown (10YR 514) wet 85%fine sand 15%non olasfic fines �— size)placed in borehole <br /> 0 SANDY LEAN CLAY(CL): brown (10YR 4/3), moist, 70% _ from 21'to 16'bgs. Drive <br /> 18 fines,30%fine sand,firm,low plasticity casing retracted from 21' <br /> to 17'bgs to maintain <br /> surface seal. <br /> 19- <br /> 0 soft <br /> 0 POORLY GRADED SAND(SP):wet <br /> 20 POORLY GRADED SAND(SP):wet Borehole destroyed using <br /> - Type 1-II neat cement <br /> 21 _ ghoul placed from total <br /> Bottom of boring at 21.0 feet depth to ground surface <br /> - with a tremie pipe. <br /> 22- <br /> 23- <br /> 24- <br /> 25- <br /> 26- <br /> 27- <br /> 28- <br /> 29- <br /> 30- <br /> 31- <br /> 32 <br /> 22324 25 26 27 28 29 303132 - <br /> 7 'I <br /> 33 <br /> i oaaBelgVInEV.1ml <br /> GeomatriX COnebultants Project No.6447.003.0 Page 2 of 2 <br />