Borehole Log: 10-MW05-4 Project No: 1043-0401 10-BH05-1 Project: Whitehorse Airport Client: PWGSC Logged By: JBM Location: Whitehorse Checked By: JBM SUBSURFACE PROFILE SAMPLE Organic Vapour Rdg. Well Completion Details PPM Description 100 300 500 700 900 ft m Ground Surface Flush Mtd 0 CONCRETE Concrete 1 0 SAND 2 Sand, trace silt, medium Solid Pipe dense, brown to grey, dry 3 1-1 1 4 Bentonite 5 6 1-2 Water Level 10 2 7 Sept. 30, 2005 8 SILT Silt, stiff, brown, dry 9 1-3 3 10 SAND 11 Slotted Pipe Sand, dense, grey, wet 120 12 1-4 Sand 13 4 SILT 25 Silt, stiff, grey, moist 14 1-5 15 16 Cap 5 17 18 Caving 20 19 1-6 6 20 End of Borehole 21 22 23 7 24 Hole Dia: 10 cm Drilled By: Geotech Well Dia: 55mm Grnd Elev: NA Drill Method: Geoprobe TOC Elev: NA Drill Date: 05/08/25 Sheet: 1 of 1