Carbon monoxide alarm at High Street residence Heard on: Pepperell Fire and EMS 00:46 00:00 CO alarm activation. 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 activation. 00:04 (number withheld) High Street. 00:27 Pepperell Fire, 00:29 respond (number withheld). 00:32 High Street for the CO alarm activation. 00:36 Responding with 43 B Bravo, High Street for the CO alarm activation. 00:44 Caller evacuated the residence at 42 past. 2026-10-23 04:41 UTC Fire B High St, Pepperell, MA 01463 View on map