Laserfiche WebLink
PROJECT: ROBERTS PROPERTY Lo of BoringNo. 5B-12 <br /> Vernalis, California 9 <br /> BORING LOCATION: GPS: N 37°37.722', W 121"17.181' ELEVATION AND DATUM. <br /> I Not surveyed: datum is ground surface <br /> DRILLING CONTRACTOR: Gregg Drilling &Testing, Inc. DATE STARTED: DATE FINISHED: <br /> 5121102 5121102 <br /> DRILLING METHOD: Hollow-Stent anger TOTAL DEPTH{ft.y: MEASURING PAINT: <br /> 10.5 Ground surface <br /> DRILLING EQUIPMENT: Mobil B-61 DEPTH TO WATER(ft.)� FIRST COMPL. <br /> NA NA <br /> SAMPLING METHOD: Modified California drive sampler[18" x 2.5"] LOGGED BY <br /> M. Goerz <br /> HAMMER WEIGHT: 140 lbs _FDROR 30 In. RESPONSIBLE PROFESSIONAL. REG.NO. <br /> G. Foote RG 5044 <br /> SAMPLES DESCRIPTION <br /> r �, m ' NAME{USCS): color,moist,%by wt.,plast.density,structure. REMARKS <br /> C d E a n . cementation, react.w1HCl,geo.inter. <br /> ai a <br /> rn co m Surface Elevation: Not surveyed <br /> SANDY SILT(ML): dark yellowish brown [10YR 414], moist, <br /> 70%fines,30%fine sand, nonplastic,firm <br /> 1 q OVM = Thermo <br /> N - Environmental <br /> Instruments 580B PID <br /> 2- n calibrated with 100 ppm <br /> isobutylene standard. <br /> 3- <br /> 60% fines. 40%fine sand - <br /> 4 <br /> � 4 <br /> 5- <br /> LO 12 0 <br /> 6- <br /> 7- <br /> 9- <br /> 10- <br /> 7117 m 0 T trace fine gravel <br /> i Bottom of boring at 10.5 feet <br /> 11 -� <br /> 12 <br /> - Borehole destroyed using <br /> Type 1-11 neat cement <br /> 13 _ grout placed from total <br /> depth to ground surface <br /> with a tremie pipe. <br /> 14 <br /> 15 awceoRev(REV.3=) <br /> �aepR7dtf17[Co17Sl1It811tS G Project No. 5011.001 1 Page 1 of 1 <br />