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1 <br /> PROJECT: FORMER VERNALIS PUMP STATON <br /> Vernalis, California Log of Boring No. ASB-11 (cont'd) <br /> SAMPLES <br /> m m m m... 2 Z E DESCRIPTION REMARKS <br /> oZ E z E ii i° 0O w a NAME(USCS):color,moist,%by wt.,plast.density,structure, <br /> N 0 ai ¢ cementation,react.w/HCI,geo.inter. <br /> 0 SILTY SAND with GRAVEL(SM): light olive brown (2.5Y 5/4), <br /> moist,50%fine to coarse sand,35%fine to coarse gravel, 15% <br /> 16 nonplastic fines _ <br /> 17 — <br /> T light yellowish brown(2.5Y 6/3) <br /> 1 18 <br /> 19 — <br /> 0 POORLY GRADED GRAVEL(GP) <br /> — <br /> 20 = <br /> 0 <br /> 21 <br /> POORLY GRADED SAND with SILT(SP-SM) <br /> 22 <br /> 0 <br /> 23 <br /> l <br /> 24- <br /> 25- <br /> 4 25 <br /> 10 ---- ————————————— — <br /> J SILT(ML): light olive brown (2.5Y 5/4),moist,95%fines,5% <br /> 26-- <br /> 6 fine to medium sand,low plasticity,firm — <br /> 1 <br /> 27- x <br /> J .. <br /> 0 <br /> 28 ------ --- ———— -- _ <br /> J SANDY SILT(ML): light olive brown (2.5Y 5/4),moist,70% <br /> fines,30%fine to medium sand,nonplastic,soft <br /> 29 --- ———— --- ------ — <br /> 0 SILTY SAND with GRAVEL(SM): light yellowish brown (2.5Y Grab groundwater sample <br /> 6/3),moist,50%fine to coarse sand,35%fine to coarse gravel, ASBA 1 collected through <br /> 30 15%nonplastic fines 10 feet of 1-inch OD Sch.. <br /> 40 PVC screen <br /> -� 0 — (0.010-inch slot size) <br /> 31 placed in borehole from 29 <br /> to 39 feet bgs. <br /> Hollow-stem augers <br /> 32 <br /> ----- retracted to ffeet bgs to <br /> -- ------- maintain surface seal. <br /> 0 POORLY GRADED SAND with GRAVEL(S P) <br /> = <br /> 33 <br /> I - OANBOREV(REV.WOO) <br /> JGeomatrix Consultants Project No.5011.003 page 2 of 3 <br />