Carbon monoxide detected in Fourth Street home Heard on: Marshfield Police and Fire 00:43 00:00 Fourth Street Command to Dispatch. 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 Fourth Street Command to Dispatch. 00:03 Go ahead. 00:09 We do have approximately 20 parts per million CO in this residence. 00:14 We were able to rule out gas at this point. 00:17 We're still investigating. 00:20 10-4. 00:29 Dispatch 95. 00:33 95. 00:36 95 transporting to the hospital. 00:41 95 transporting 1315. 2026-11-07 19:11 UTC Fire 4th St, Marshfield, WI 54449 View on map