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PROJECT: FORMER VERNALIS PUMP STATON LO of Boring No. ASB-3 <br /> Vernalis, California g g <br /> BORING LOCATION: N: 6334072.40; E:2052138.37 ELEVATION AND DATUM: <br /> Not surveyed;datum is ground surface <br /> DRILLING CONTRACTOR: Gregg Drilling&Testing, Inc. DATE STARTED: DATE FINISHED: <br /> - 10/21/03 10/21/03 <br /> DRILLING METHOD: Hollow-stem auger TOTAL DEPTH(ft.): MEASURING POINT: <br /> 55.0 Ground surface <br /> �iFIRST <br /> DRILLING EQUIPMENT: Marl 2.5 DEPTH TO WATER(ft.) 33.6 I NA COMPL. <br /> LOGGED BY:SAMPLING METHOD: SPT split spoon sampler[18"x 1.5"] &[24!'x 1.5"1 R. Nelson <br /> HAMMER WEIGHT: NA DROP: NA RESPONSIBLE PROFESSIONAL: I REG.NO. <br /> Y. Hashimoto CAG.782 <br /> SAMPLES - - DESCRIPTION <br /> F a m m ZE z E NAME(USCS): color,moist,%by wt.,plast.density,structure, REMARKS <br /> W`• E Z E LL p W a cementation,react:w/HCI,goo.inter. <br /> N N m of - Surface Elevation: Not surveyed <br /> AGGREGATE BASE <br /> e <br /> SILT with SAND(ML): light olive brown (2.5Y 5/4),dry,80% OVM=Thermo <br /> 1,2 fines,20%fine sand,nonplastic,firm - Environmental Instrument <br /> ~•r ¢ MINIRAE.40 calibrated <br /> .' with 100 ppm isobutylene <br /> 2 - standard. <br /> 3 0 <br /> 4 0 SANDY SILT(ML) light olive brown (2.5Y 5/4),moist,70% <br /> v <br /> y fines,30%fine sand,nonplastic,firm <br /> 5 <br /> L <br /> T. 6 SILTYSAND(SM): light olive_brown (2.5Y5/4),moist,60% <br /> fine to medium sand,40%nonplastic fines,soft - <br /> 7 0 <br /> 8 <br /> SANDY SILT(ML) light olive brown (2.5Y 514),60%fines, <br /> 40%fine to medium sand,nonplastic,hard <br /> I' g 0 _ <br /> 110- <br /> 0 <br /> 11 - <br /> firm <br /> 12- <br /> 0 one gravel 3/4-inch diameter - <br /> 13 <br /> ' 0 one gravel 1/4-inch diameter <br /> 14 - <br /> LLEE 15 <br /> - 1:1PROJEQ60111GINTLOG36011.0ll1 93LOG.GOw OARBUREV(REV.W0) <br /> 5Geomatrix Consultants Project No.5011.003 Pagel of4 <br /> c <br />