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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: SB-1 <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#: B0092341.0000.00001 <br /> m E c r <br /> w E -- a E N <br /> q m w c `a� Soil Boring <br /> c a Lithologic Description Construction Detail <br /> y U <br /> CL = A v o U o a n. <br /> O <br /> 0 8 NAG <br /> Gravel at surface Gravel <br /> - ----- ---------------------------------- <br /> SM SILTY SAND WITH GRAVEL(SM),dark brown(10YR 5/3),dry, fine-to <br /> medium-grained sand,subangular to subrounded gravel to 0.75-inch diameter, 1 <br /> 1 poorly sorted,fill-like appearance <br /> 0.1 <br /> 2 2 <br /> SM SAND(SM),loose,brown(10YR 513),dry,fine-to medium-grained,little silt, <br /> 3 well sorted <br /> 3 <br /> At 3.5 feet bgs,coarse,subangular gravel encountered <br /> 0.5 <br /> 4 ao Neat Cement 4 <br /> c <br /> m <br /> i <br /> 5 SP medium-grained, <br /> ' SAND(SP),loose,brawn(10YR 513),dry,fine-to mediumrained,little silt, <br /> homogenous,well sorted <br /> 0.4 <br /> 6 6 <br /> 7 SM7 <br /> SAND(SM),loose,dark brown(10YR 3/3),dry,fine-to medium-grained,some <br /> silt,medium plasticity fines,trace subrounded to subangular gravel,well sorted <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-SB1-1.5-2.0 at 1500 <br /> C51-SB1-3.5-4.0 at 1505 <br /> C51-SB1-5.5-6.0 at 1510 <br /> C51-SB1-7.5-8.0 at 1520 <br />