Carbon monoxide leak investigation on Fifth Street Heard on: Natrona County WY Fire-Tac 00:18 00:00 Answered at Fifth Street. 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 Answered at Fifth Street. 00:01 Getting readings of 39 CO. 00:04 Engine 12's working on finding the leak. 00:06 Engine 302, you can stage. 00:09 Still determining complaints right now. 00:10 Engine 13, come in and assist. 00:15 Engine 13 copies, come in and assist. 2026-11-07 09:12 UTC Fire E 5th St, Casper, WY View on map