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r <br /> PROJECT: BURNS- POMBO PROPERTIES <br /> Tracy, California Log of Boring No. GMX-12 (cont.) <br /> _ .. SAMPLES <br /> C <br /> m m m E DESCRIPTION <br /> Cc <br /> W w E o E 3 0 a NAME(USCS Symbol):color,moist,%by weight.,plast.,consistency,structure,cementation,read.WHO.geo.inter. REMARKS <br /> cc Z td LL > <br /> al U3 m O <br /> LEAN CLAY with SAND (CL) (cont.) Grab groundwater <br /> ' sample GMX-12 <br /> 16 collected through 5 <br /> POORLY-GRADED SAND (SP) feet of Sch. 40 PVC <br /> Brown (7.5YR 4/2), wet, 95%fine to medium sand, 5%fines placed in the borehole <br /> ' 17 from 14-19 feet bgs. <br /> Enviro-core drive <br /> 18 casing retracted from <br /> ' bottom of boring to 14 <br /> feet bgs to maintain <br /> 19- surface seal. <br /> Bottom of boring at 19 feet. <br /> 20- <br /> 21- <br /> 22- <br /> 23- <br /> 24- <br /> 25- <br /> 26- <br /> 27 <br /> 021222324252627 <br /> ' 28- <br /> 29- <br /> 30- <br /> 31- <br /> 32- <br /> 33- <br /> B-2 <br /> 82930313233B-2(12/95) <br /> ' Project No. 5650 Geomatrix Consultants Figure --- <br /> s:\5650\I o gs\_g m x_12_02.a i <br />