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PROJECT: FORMER VERNALIS PUMP STATON <br /> Vernalis,California Log of Boring No. ASB-8 (cont'd) <br /> SAMPLES o <br /> y g? E DESCRIPTION REMARKS <br /> W-2 z°o i° Own NAME(USCS):color,moist,%by wt.,Plast.density,structure, <br /> ur m cementation,react,w/HCI,geo.inter. <br /> SILTY SAND(SM): light olive brown (2.5Y 5/4),moist,60% <br /> 0 fine sand,40%nonplastic fines <br /> 16- <br /> 17- <br /> 6 17 0 - <br /> SILTY SAND with GRAVEL(SM): light yellowish brown (2.5Y - <br /> 6/4),moist,50%fine to coarse sand,35%fine to coarse gravel, _ <br /> 18 15%nonplastic fines <br /> SILTY SAND(SM): light olive brown (2.5Y 5/4),moist,60% <br /> 19 0 fine to medium sand,40%nonplastic fines — <br /> i: � <br /> 20- <br /> 21- 0 - <br /> 70%fine to medium sand,30%nonplastic fines r <br /> 22 <br /> POORLY GRADED SAND with SILT(SP-SM): light olive <br /> 23 brown (2.5Y 5/4),moist,90%fine to medium sand,10% <br /> nonplastic fines, <br /> T _ <br /> 24 0 t 80%fine to coarse sand,10%fine gravel, 10%nonplastic fines _ <br /> 25 SILTY SAND(SM): light olive brown (2.5Y 5/4),moist,60% <br /> 0 fine sand,40%nonplastic fines — <br /> 26 - <br /> r. <br /> 27 - L <br /> U 0 <br /> 2V - <br /> Grab groundwater sample <br /> SANDY SILT(ML) light olive brown (2.5Y 5/4),moist,60% - ASB-8-1003 collected <br /> 29 0 fines,40%fine sand,low plasticity,soft - thrroughough110 feet of inch <br /> OD Sch.40 PVC scc reen <br /> _ - (0.010-inch slot size) <br /> 30 �t' - _ placed in borehole from 28 ' <br /> Y 70%fines,30%fine sand to 38 feet bgs. <br /> Hollow-stem augers <br /> 0 retracted to 28 feet bgs to <br /> 31 - maintain surface seal. _ <br /> 32 POORLY GRADED SANDiSP)-__ __ <br /> 0 SILTY SAND(SM): yellowish brown (10YR 5/4),moist,60% _ <br /> fine to medium sand,40%low plasticity fines <br /> 33 <br /> OAKBOREVIREVAMO) <br /> Geomatrix Consultants Project No.5011.003 Paye z of 3 <br />