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PO <br /> Start End Total 86 Logged By BHC Driller Geologic Drill Drilling Hollow Stem Auger <br /> Drilled 11%1/2011 11/2/2011 Depth(ft) Checked By NLT Explorations, Inc. Method <br /> Surface Elevation(ft) 430.5 Hammer Rope and Cathead Drilling XL Trailer <br /> Vertical Datum Data 140(lbs)/30(in)Drop Equipment <br /> Easting(X) System Groundwater <br /> Datum Depth to <br /> Northing�) Date Measured Water ftElevation(ft) <br /> Notes: Not Encountered <br /> FIELD DATA <br /> m <br /> d m. s-y MATERIAL <br /> Zm <br /> .� <br /> REMARKS <br /> 8 DESCRIPTION <br /> O N J <br /> > E iN 0j 0 O N a <br /> p v <br /> W 0 C ILI m U Ln I- C7 U' U U D a <br /> o AC Asphalt debris and cobbles(fill) <br /> 1 Refusal at 2.5 feet on first attempt:moved <br /> boring location 20 feet and redrilled <br /> Ski Dark brown silty fine to medium sand with <br /> 5 10 14 2 gravel(loose to medium dense,moist to wet) 9 %F=21 <br /> (fill) <br /> b 7 3 <br /> Diesel odor <br /> c �rti0 10- 18 3 4 _ <br /> a <br /> in <br /> c <br /> c^ <br /> V ��h 15 18 9 5 <br /> m <br /> w <br /> w L <br /> c <br /> w <br /> O <br /> 20- <br /> 18 10 <br /> C <br /> c: <br /> oX05 25 18 14 7 <br /> z <br /> c <br /> m <br /> 0 <br /> y SWAL Gray silty fine to medium sand to elastic sandy <br /> s o 30 silt with gravel(medium dense/medium stiff. <br /> ao 18 t t 8 moist to wet)(fill) <br /> z <br /> z <br /> a <br /> z <br /> �g0 35- <br /> 18 12 9 <br /> z <br /> w <br /> d <br /> -- <br /> r <br /> Note:See Figure A-1 for explanation of symbols. <br /> Log of Boring B-7 <br /> Project: Mountain View Business Center Division 8 <br /> Project Location: Everett, Washington <br /> GEOENGINEER� jFigure A-8 <br /> Project Number: 6192-021-01 Sheet 1 of 2 <br />