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PROJECT: ROBERTS PROPERTY I Log of Boring No. SB-14 <br /> Vernalis, California <br /> BORING LOCATION: GPS: N 37c37.732', W 121° 17.163' ELEVATION AND DATUM. <br /> Not surveyed; datum is ground surface__ <br /> DRILLING CONTRACTOR: Gregg Drilling &Testing, Inc. DATE STARTED: DATE FINISHED <br /> 5/22102 5122/02 <br /> DRILLING METHOD: HoIIDw-stern auger TOTAL DEPTH ft): MEASURING POINT. <br /> 45.5 Ground surface <br /> DRILLING EQUIPMENT: Mobil B-61 DEPTH TO WATER(ft.)1 FIRST COMPL. <br /> 37.0 1 NA <br /> SAMPLING METHOD: Modified California drive sampler 118"x 2.5"] LOGGED BY <br /> M. Goerz <br /> HMER G. Foo <br /> AMWEIGHT- 140 Ibs DROP: 30 in. VSlBLE PROFESSIONAL: REG.NO. <br /> I G. Foote RG 5044 <br /> SAMPLES Ory DESCRIPTION <br /> 0 ? g C NAME(USCS): color,moist,%by wt.,plast.density,structure, REMARKS <br /> E d E a 0 a cementation, react,w/HCI,geo,inter. <br /> I <br /> A v to M M Surface Elevation: Not surveyed <br /> SANDY SILT(ML): brown (10YR 413), moist, 70%fines, 30% <br /> fine sand,nonplastic,firm — <br /> — <br /> OVM=Thermo <br /> Environmental <br /> 1 <br /> 2 instruments 5806 PID <br /> calibrated with 100 ppm <br /> isobutylene standard. <br /> 3- <br /> 4- <br /> 60% <br /> 4 60%fines,40%fine sand <br /> 5- <br /> 6- <br /> 7 fi7 - <br /> 8 - <br /> 9 p Soil lithology description , <br /> p trace fine gravel — from ground surface to 10 <br /> 10 r feet bgs based on soil <br /> 32 — cuttings. <br /> - I <br /> 11 <br /> I <br /> 12 <br /> 13 <br /> I <br /> 14 <br /> 15 owceaREv(REV.arca} <br /> Ceomatrix Consultants Project No. 5011.001 Page 1 of 3 <br />