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0 ARCADIS SOIL BORING LOG <br /> Infrastructure, environment, buildings Page 1 of 1 <br /> Date Drilled: 4/28/2010 Drilling Contractor: RDM Environmental ID: v <br /> SB-1 Q <br /> Borehole Depth: 8 feet bgs Driller's Name: Jose Sanchez J <br /> Logged By: Jamey Peterson Drilling Method: Hand Auger Client: Pacific Gas&Electric Company <br /> Reviewed By: Bill Copeland,PG No.8565 Sampling Method: Grab Location: McDonald Island Compressor Station <br /> Northing(1r): NA Rig Type: NA 1181 Zuckerman Road <br /> Fasting(X): NA Bit Size: 2-inches Tracy,California 95206 <br /> Surface Elevation: NA Auger Size: NA Project#: B0092341.0000.00001 <br /> m0. <br /> c t <br /> as A CIL <br /> E a a <br /> a dU) :' d 0 Lithologic Description Soil Boring <br /> c a c � Construction Detail w <br /> v A <br /> t e % c <br /> CIL = A uc o 0 o a a <br /> G C Q tY a O � t71 Z <br /> 0 0 <br /> 8 NA ° Gravel <br /> \1 -------------------------------------- ° Gravel <br /> SM 7 Gravel,Sand and Silt,dark brown(10YR 3(3),poorly sorted,subangular to <br /> rounded gravel,fill-like appearance <br /> -------------------------------------- <br /> 1 SILTY SAND(SM) loose,light brown(10YR 8/3)with occasional reddish brown 1 <br /> (10YR 3/6)and brownish yellow(10YR 6/8),dry,trace clay,medium plasticity <br /> fines <br /> 0.3 <br /> 2- <br /> 2 <br /> 3 3 <br /> �. 0.3 <br /> 4 v Neat Cement 4 <br /> c <br /> S <br /> 5 5 <br /> 0.4 <br /> 6 SP 6 <br /> SAND(SP),loose,gray(N5),dry,fine-to medium-grained,homogenous,well <br /> sorted <br /> 7 7 <br /> 0.2 <br /> 8 Borehole terminated at 8 feet bgs 8 <br /> 9 9 <br /> 10 10 <br /> Abbreviations: bgs=below ground surface, NA=not available;not applicable, PID=photoionization detector, ppm=parts per million, <br /> USCS=Unified Soil Classification System <br /> Samples Collected: C51-SB18-1.5-2.0 at 1555 <br /> C51-SB18-3.5-4.0 at 1600 <br /> C51-SB18-5.5-6.0 at 1605 <br /> C51-SB18-7.5-8.0 at 1620 <br />