Carbon monoxide alarm at Mountlake Terrace home Heard on: Snohomish County WA Fire Dispatch 00:12 00:00 Engine 20, carbon monoxide alarm. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 Engine 20, carbon monoxide alarm. 00:03 (number withheld) 227th Place Southwest. 00:07 (number withheld) 227th Pl Southwest. 00:10 Respond on TAC 2. 2026-10-13 19:31 UTC Fire 227th Pl SW, Mountlake Terrace, WA 98043 View on map