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PROJECT: FORMER VERNALIS PUMP STATON <br /> 17— Vernalis, California Log of Boring NO. ASB-5 <br /> .BORING LOCATION: Ni' 6334276.25; E:2052058.44 ELEVATION AND DATUM:` Not surveyed;datum is ground surface <br /> DRILLING CONTRACTOR: Gregg Drilling&Testing, Inc. DATE STARTED: DATE FINISHED: <br /> 10/22/03 10/22/03 <br /> TOTAL DEPTH(ft.): MEASURING POINT: <br /> d. DRILLING METHOD: Hollow-stem auger 40.0 - Ground SUrfaCe <br /> DRILLING EQUIPMENT: Marl M5T DEPTH TO WATER(R.)I FIRST COMPL. <br /> 34.0 NA <br /> L:i SAMPLING METHOD: SPT Split Spoon sampler[18"x 1.5']&[24"x'L5,] LOGGED n R. Nelson <br /> RESPONSIBLE PROFESSIONAL: REG.NO. <br /> i HAMMER WEIGHT: NA DROP: NA _ Y. Hashimoto I C.HG.782 <br /> SAMPLES - DESCRIPTION <br /> NAME(USCS): color,moist,%by wt.,plast.density,structure, REMARKS <br /> w E G E o °o O a a cementation,react.w/HCI,geo.inter. <br /> Z6 <br /> m rn m a Surface Elevation: Not surveyed <br /> r:f <br /> SILTY SAND(SM): light olive brown (2.5Y 5/4),moist,60% <br /> o fine to medium sand,30%nonplastic fines,10%fine gravel OVM=Thermo <br /> 0 <br /> Environmental Instrument <br /> MINIRAE.40 calibrated <br /> with 100 ppm isobutylene <br /> 2 - — standard. <br /> ¢= p <br /> SANDY SILT(ML) light olive brown (2.5Y 5/4),moist,60% <br /> t fines,40%fine sand,nonplastic,soft <br /> 4- <br /> 6 6- <br /> 7- <br /> v.. e <br /> S£7 <br /> 9- <br /> 0 <br /> �V. } 10 - <br /> Vl <br /> a 0 <br /> :C 11 <br /> 12 - <br /> i <br /> 13 <br /> { 14 T70%fines,30%fine to medium sand <br /> ' E.y. <br /> L" 15 I.TROJECM0111GINTLOG515011.00]IASBSLOG.GDW 0AK80REVtREV.W01 <br /> ' Geomatrix Consultants Project No.5011.003 page t ot3 <br />