High carbon monoxide levels in first-floor unit Heard on: FDNY - Manhattan Dispatch 00:14 00:00 342, we had some contractors doing work on the 1st floor occupancy, 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. 00:00 342, we had some contractors doing work on the 1st floor occupancy, 00:04 causing CO readings approximately 350 parts per million. 00:08 We stopped the work and are venting out. 00:10 Levels are dropping. 00:11 We're going to continue to hold with the one and one as we continue to vent. 8/4/2026 02:08 PM Fire Manhattan, New York, NY View on map