Borehole Log: 20-MW05-9 Project No: 1043-0401 20-BH05-15 Project: Whitehorse Airport Client: PWGSC Logged By: JBM Location: Air tanker base 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 ASPHALT Concrete 1 SAND 2 Sand, trace silt, dense, 0 Solid Pipe brown, dry 3 15-1 1 4 CLAYEY SILT 5 Sand Silt, some clay, stiff, grey, 0 moist 6 15-2 2 7 8 10 Bentonite 9 15-3 3 10 11 Slotted Pipe 20 15-4 12 13 4 450 4.3m: Hydrocarbon like 14 15-5 Sand odour 15 SAND 16 850 5 Sand, dense, yellow to 17 15-6 brown, wet 18 5.2m: Hydrocarbon like odour 19 6 20 Cap 140 21 15-7 22 Caving 23 7 75 SILT 24 15-8 Silt, stiff, grey, moist 25 End of Borehole 26 8 27 28 29 Hole Dia: 10 cm Drilled By: Geotech Well Dia: 55mm Grnd Elev: NA Drill Method: Geoprobe TOC Elev: NA Drill Date: 05/08/24 Sheet: 1 of 1