Carbon monoxide alarm at Duquesne residence Heard on: Allegheny County Fire - East 01:46 00:00 CO alarm and smoke detector to keep activating. 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 CO alarm and smoke detector to keep activating. 00:04 (number withheld) Maryland Avenue, City of Duquesne, Company 133, Channel 7, Fire Operations 4, 2214. 00:46 133 truck. 00:51 36. 01:03 This is. 01:10 This is. 01:26 County 190 command, I'm clear the LZ. 01:32 That's copy. 01:39 County 133 truck, start People's Gas this way. 01:43 Getting 83 parts per million. 2026-11-09 03:13 UTC Fire Maryland Ave, Duquesne, PA 15110 View on map