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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: SB-8 <br /> Borehole Depth: 8 feet bgs Driller's Name: Chris Easely v <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(l): 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 /> a C6 a E <br /> m E a M <br /> a i! w m c rn Soil Boring a <br /> a+ U) M v Lithologic Description – Construction Detail a� <br /> 5 u r -0 o v a <br /> R U <br /> L C In u) C O L <br /> c = ra v o U o o a <br /> 0 o Q a O c7 = o <br /> 0 0 <br /> 8 NA Asphalt at surface to 4 inches bgs <br /> Asphalt <br /> -------------------------------------- <br /> Gravel,Sand and Silt,dark brown(10YR 3/3),poorly sorted,subangular to <br /> subrounded gravel,fill-like appearance <br /> -------------------------------------- <br /> 1 O Rip-rap material(cobbles)and geofabric 1 <br /> _a __ <br /> SM- SILTY SAND WITH CLAY(SMSC),loose,light brown(10YR 8/3)and gray <br /> 0.0 SC — <br /> z _ (NS),dry,fine-to medium-grained,low plasticity <br /> 2 <br /> 3 — 3 <br /> 0.0 -. <br /> 4 av Neat Cement 4 <br /> c — <br /> 5 Sp - --------------------------------------- 5 <br /> SAND(SP),light brown(10YR 8/3),dry,fine-to medium-grained,trace silt, <br /> homogenous,well sorted <br /> 0.0 <br /> 6 6 <br /> 7 � <br /> 0.0 <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-SB8-1.5-2.0 at 1540 <br /> C51-SB8-3.5-4.0 at 1545 <br /> C51-SB8-5.5-6.0 at 1550 <br /> C51-SB8-7.5-8.0 at 1555 <br />