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J <br /> PROJECT: FORMER VERNALIS PUMP STATON <br /> Vernalis, California Log of Boring No. ASB-12 (cont'd) <br /> SAMPLES C . <br /> � E DESCRIPTION REMARKS <br /> oE z E o $ Q w n NAME(USCS):color,moist,%by wt.,plast.density,structure, <br /> W N m of cementation,react.wIHCI,geo.inter. <br /> SANDY SILTY(ML):cont'd <br /> 16 0 = <br /> 17 -------- -- -- -- — <br /> SILTY SAND(SM): light olive brown (2.5Y 5/4),moist,70% <br /> `j 0 fine sand,30%nonplastic fines <br /> 18 <br /> ,L1 .. <br /> 19 <br /> 0T 60%fine sand,40%nonplastic fines <br /> ... 20 <br /> 0 T70%fine sand,30%nonplastic fines <br /> 21 <br /> 22 <br /> 0 <br /> 23 <br /> .) 24 0 <br /> 25 <br /> 0 <br /> 26 <br /> 27 <br /> --------------------- <br /> 0 SANDY SILT(ML): light olive brown (2.5Y 5/4),moist, 70% <br /> 28 fines,30%fine sand,nonplastic,soft <br /> ` T 60%fines,40%fine sand <br /> 29 0 <br /> -� Grab groundwater sample <br /> ASB-12-1003 collected <br /> 30 through 10 feet of 1-inch <br /> 0 OD Sch.40 PVC screen <br /> --I (0.010-inch slot size) <br /> 31 placed in borehole from 30 <br /> to 40 feet bgs. _ <br /> Hollow-stem augers <br /> retracted to 30 feet bgs to <br /> 32 maintain surface seal. <br /> 0 <br /> 33 <br /> DAKBOREV(RM 3/00) <br /> Geomatrix Consultants Project No.5011.003 Page 2 of 3 <br /> 1 <br />