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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 �D: C J�-A c <br /> U <br /> Borehole Depth: 8 feet bgs Driller's Name: Chris Easely 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 ft: B0092341.0000.00001 <br /> w a -- a E a a <br /> a' 10 E m rn o os Soil Boring a <br /> c m c V Lithologic Description Construction Detail <br /> y U <br /> o Ix 12 rn o o <br /> CL = c m G -0 N d �. m <br /> 0 0` < x a o o <br /> 0 0 <br /> 8 NA Asphalt at surface to 4 inches bgs <br /> Asphalt <br /> -------------------------------------- <br /> Gravel,Sand and Silt,dark brawn(10YR 3/3),poorly sorted,subangular to <br /> Qa `1 subrounded gravel,fill-like appearance r <br /> 1 ------------- <br /> OD Rip-rap material and geofabric 1 <br /> a <br /> Q . <br /> 0.0 DO <br /> 2 SM a 2 <br /> SILTY SAND(SM),loose,light brown(10YR 8/3)with some gray(N5),dry,fine- <br /> to medium-grained,little silt <br /> 3 3 <br /> 0.0 CL SAND AND CLAY(SC-0L),soft,light brown(10YR 8/3)sand and gray(N5) <br /> 4 a fines,dry,fine-to medium-grained sand,medium plasticity fines,trace silt, <br /> a poorly sorted Neat Cement 4 <br /> m <br /> x <br /> 5 5 <br /> 0.0 <br /> 6 6 <br /> 7 <br /> SP SAND(SP),loose,light brown(10YR 8/3),dry,fine-to medium-grained,trace <br /> silt,homogenous,well sorted <br /> 0.0 <br /> 8 Borehole terminated at 8 feet bgs 6 <br /> 9- <br /> 10 <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-SB16-1.5-2.0 at 1440 <br /> C51-SB16-3.5-4.0 at 1445 <br /> C51-SB16-5.5-6.0 at 1450 <br /> C51-SB16-7.5-8.0 at 1500 <br />