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PROJECT: ROBERTS PROPERTY <br /> Vernalis, California Log of Boring No. SB-18 (cont'd) <br /> I <br /> SAMPLES O, <br /> DESCRIPTION REMARKS <br /> w! E z E ori p a NAME(USCS):color,moist,%by wt.,plast density,structure, <br /> }' m CO M X cementation,read.w/HCI,geo.inter. <br /> SANDY SILT(ML):coned <br /> ^I <br /> 34 0 - <br /> T 60%fines,40%fine sand - <br /> J' 35- <br /> 36- <br /> 5 36 0 - <br /> t . <br /> 37 --------- <br /> SILT with SAND(ML): yellowish brown (10YR 5/4),wet,80% <br /> fines,20%fine sand,medium plasticity,soft - <br /> ` 3' 38 <br /> 0 T moist - <br /> 39 <br /> -� 40 _ _________________ __ <br /> SILTY SAND(SM): yellowish brown (10YR 5/4),wet,65%fine <br /> 0 sand,35%low plasticity fines _ <br /> 41- <br /> 42- <br /> 43 <br /> 1 - <br /> `( 42 <br /> JI 43 --------___ - <br /> 0 SILTY SAND with GRAVEL(SM): brown (10YR 4/3),wet, <br /> 50%fine to coarse sand,30%fine to coarse gravel,20%low - <br /> 44 plasticity fines . <br /> ' 45 ____ ___________ _ <br /> POORLY GRADED SAND with SILT(SP-SM) dark grayish Hydropunch driven ahead <br /> 0 brown (10YR 4/2),wet,85%fine to coarse sand, 10% - of sonic drive casing from <br /> 46 nonplastic fines,5%fine to coarse gravel 45 to 50 feet bgs. Sleeve <br /> _ #=. - <br /> - T75%fine to coarse sand, 15%fine to coarse gravel, 10% retracted 4 feet to expose <br /> nonplastic fines - a 1-inch OD Schedule 40 <br /> Z' 47 T- 85%fine to coarse sand, 10%nonplastic fines,5%fine to _ PVC screen(0.010-inch <br /> coarse gravel slot size)from 46 to 50 <br /> s - feet bgs.Grab <br /> 48 groundwater sample <br /> r o POORLY GRADED SAND with GRAVEL(SP) SB-18-0803 collected. - <br /> 3 49 - <br /> 0 - <br /> L 50 <br /> s= 51 <br /> -�' OAKeOREV(REV.L00) <br /> Geomatrix Consultants <br /> .r Project No.5011.001 Page 3 of 5 <br /> f; <br />