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Q ARCADIS SOIL BORING LOG <br /> Infrastructure, environment buildings Page 1 of 1 <br /> Date Drilled: 4/29/2010 Drilling Contractor: RDM Environmental I D SBA 7 <br /> Borehole Depth: 8 feet bgs Driller's Name: Jose Sanchez <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 I Tracy,California 95206 <br /> Surface Elevation: NA Auger Size: NA Project#: B0092341.0000.00001 <br /> CL a c L <br /> CL <br /> m fn d m ° Lithologic Description Soil Boring a <br /> w c u r c Construction Detail w <br /> d ra U <br /> r c 2, o tY In rn c o s <br /> aai c a°i �° vVi °m D, m <br /> O o Q cl� a O C7 x o <br /> 0 0 <br /> 10 NA a Gravel <br /> Gravel <br /> SILTY SAND(SM),loose,light brown(10YR 8/3),dry,fine-to medium-grained, <br /> little gray(N5)day,medium plasticity fines <br /> 1 1 <br /> 0.2 <br /> 2- <br /> 2 <br /> 3 SC SAND AND FAT CLAY(SC-CH),soft,light brown(10YR 8/3)and reddish brown 3 <br /> CH - (10YR 3/6)sands,gray(N5)fines,moist,fine-to medium-grained sand,high <br /> plasticity fines <br /> 1.2 <br /> 4 — Neat Cement 4 <br /> or — <br /> 5 — 5 <br /> 0.2 — <br /> 6 6 <br /> 7 7 <br /> ------------------------------------- <br /> SM 7 <br /> T. SILTY SAND(SM),loose,light brown(10YR 8/3)sand,gray(N5)fines,dry,fine <br /> 0.8 to medium-grained,trace day,low plasticity fines <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-SB17-1.5-2.0 at 1100 <br /> C51-SI317-3.5-4.0 at 1110 <br /> C51-SB17-5.5-6.0 at 1115 <br /> C51-SB17-7.5-8.0 at 1130 <br />