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BORING LOG 760007193/UA/TESA <br /> MS Job No. Boring No. 1 Sheel <br /> B-5 of 1 <br /> IN Client Boring Location DRILLING <br /> Gas Services and Operations Thornton Gas Dehydrator Station <br /> Drilling Contractor <br /> START TIME FINISH TIME <br /> PG&E Gas T&D/TES Klingman ESP Subsoil Probe <br /> Logged By Surface Conditions Groundwater Depth DATE DATE <br /> D. Klingman Gravel Not Encountered 12/3/92 12/3/92 <br /> Type&Diameter of Boring Sampling Method <br /> Soil Core - 1-inch diameter Hand Sampler <br /> SAMPLES <br /> 3 3 LL _ � MATERIALS ENCOUNTERED <br /> ; m vAND DRILLING CONDITIONS <br /> a m a = n L <br /> ma <br /> CU <br /> 0 <br /> GRAVEL (Fill) <br /> 1 <br /> SM SILTY SAND - medium brown, moist, medium dense, high <br /> silt content, sand is fine-grained, no hydrocarbon odor. <br /> 36 30 5.9 2 <br /> 3 6 in thick SANDY SILT at 3 ft. <br /> 4 <br /> 36 32 10.7 5 <br /> CL SILTY CLAY - medium grayish-brown, moist to wet, <br /> medium stiff, low to moderate plasticity, slight to moderate <br /> 6 hydrocarbon odor. <br /> 7 <br /> 8 <br /> 9 As above, moderate hydrocarbon odor. <br /> 36 NA 139 (Core not suitable for chemical analysis because gravel was <br /> blocking bit, and as such, recovered core was ribbon-like. <br /> Used for PID, only) <br /> 10 <br /> BOH at 10 ft. <br /> 11 <br /> 12 <br /> 60007193/U ANTI-136 <br /> A-5 <br />