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l <br /> PROJECT: FORMER VERNALIS PUMP STATON Log of Boring No. ASB-9 <br /> Vernalis, California g g <br /> BORING LOCATION: N:6333977.44; E:2051968.75 ELEVATION AND DATUM: <br /> l Not surveyed;datum is ground surface <br /> 1 DRILLING CONTRACTOR: Gregg Drilling&Testing, Inc. DATE STARTED: DATE FINISHED: <br /> 10/24/03 10/24/03 <br /> DRILLING METHOD: Hollow-stem auger TOTAL DEPTH(ft.): MEASURING POINT: <br /> —� 40.0 Ground surface <br /> DRILLING EQUIPMENT: Marl M5T DEPTH TO WATER(ft.) FIRST I COMPL. <br /> 34.0 NA <br /> SAMPLING METHOD: SPT split spoon sampler[18"x 1.5'] &124"x 1.5"� LOGGED BY: <br /> -� R. Nelson <br /> HAMMER WEIGHT: NA DROP: NA RESPONSIBLE PROFESSIONAL: REG.NO. <br /> Y. Hashimoto CA 782 <br /> SAMPLES O DESCRIPTION <br /> NAME(USCS): color,moist,%by wt.,plast.density,sWcture, REMARKS <br /> 1 W E d c o o > Q a cementation,react.w/HCI,geo.inter. <br /> E, <br /> Surface Elevation: Not surveyed <br /> SANDY SILT(ML): light olive brown (2.5Y 5/4),dry,70% <br /> fines,20%fine to medium sand, 10%fine gravel,nonplastic, OVM=Thermo <br /> 1 firm <br /> - m 8.5 Environmental Instrument <br /> ... a MINIRAE.40 calibrated <br /> -� with 100 ppm isobutylene <br /> 2 standard. <br /> c5.3 T <br /> m <br /> i brown(10YR 4/3),some fragments of wood,may be burnt <br /> l 3 m <br /> _J a — <br /> 4 contains glass fragments <br /> -� light olive brown(2.5Y 5/4) _ <br /> m <br /> 5 < 4.2 — <br /> 6 SILT with SAND(ML): light olive brown (2.5Y 5/4),moist,80% <br /> fines,20%fine sand,low plasticity,soft — <br /> lI 7 3.2 — <br /> J <br /> 8 <br /> 9 2.2 <br /> 10 ----------------- --- — — <br /> $ SANDY SILT(ML): light olive brown (2.5Y 5/4),moist,60% <br /> fines,40%fine sand, nonplastic,soft — <br /> 11 1.8 <br /> ` 12 <br /> 1 <br /> 13 0 <br /> 14 1.4 <br /> 15 OAKBOREV IREV.0100) <br /> matrix Consultants Project No.5011.003 Page 1 of 3 <br /> G <br />