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0 ARCADIS SOIL BORING LOG <br /> Infrastructure, environment buildings Page 1 of 1 <br /> Date Drilled: 4/29/2010 Drilling Contractor: RDM Environmental ID: ���� A <br /> Borehole Depth: 8 feet bgs Driller's Name: Jose Sanchez 1 <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(Y): NA Rig Type: NA 1181 Zuckerman Road <br /> Easting(X): NA Bit Size: 2-inches Tracy,California 95206 <br /> Surface Elevation: NA Auger Size: NA Project#: B0092341.0000.00001 <br /> y CL -, a E C <br /> rn A E m a 3 rn <br /> a Z m w o os Soil Boring a <br /> m H _ c m Lithologic Description <br /> 2 c U Construction Detail <br /> t c 1. c x 121 N C O t <br /> CL = m v o V o v o <br /> 0 o Q a O 0 = o <br /> 0 0 <br /> 8 NA Concrete at surface to 7 inches bgs <br /> Asphalt <br /> Gravel,Sand and Silt,dark brown(tOYR 3/3),poorly sorted,subangular to <br /> subrounded gravel,fill-like appearance <br /> 1 1 <br /> SG SAND AND CLAY(SC-CL),soft,light brown(10YR 8/3)and gray(N5),dry,fine- <br /> CL to medium-grained sand,medium plasticity fines,some silt,reddish brown <br /> (10YR 3/6)streaks in sand,poorly sorted <br /> 0.0 <br /> 2 2 <br /> 3 3 <br /> 1 <br /> 0.0 SP SAND(SP),loose,light brown(10YR 8/3),dry,fine-to medium-grained,little <br /> 'S <br /> 4 a silt,trace clay,poorly sorted Neat Cement <br /> 4 <br /> c <br /> m <br /> S <br /> 5 5 <br /> 0.0 <br /> 6 6 <br /> 7— At 7.5 feet bgs,color change to gray(145)and fines increasing 7 <br /> 0.0 <br /> 6 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-SB11-1.5-2.0 at 1340 <br /> C51-SBI 1-3.5-4.0 at 1350 <br /> C51-SB11-5.5-6.0 at 1355 <br /> C51-SB1 1-7.5-8.0 at 1400 <br />