Alaska Administrative Code
Title 8 - Labor and Workforce Development
Part 4 - Occupational Safety and Health Division
Chapter 61 - Occupational Safety and Health
Article 11 - Occupational Safety and Health Standards
8 AAC 61.1030 - Additional respiratory protection standards

(1) station a competent employee outside of the work area to monitor and attend the compressor and other equipment that supplies breathing air; this employee must be trained in supplied air systems and must receive instruction in the function and maintenance of the particular supplied air system that is being used at the work site; this employee must be able to demonstrate the ability to respond appropriately to a malfunction of the system; or

(2) employ a compressed air system that includes alarms for compressor failure and overheating; the system must be equipped with a carbon monoxide alarm; all compressed air systems must be equipped with in-line adsorbents and filters to deliver Grade D air; alarms must alert respirator wearers of problems either remotely or by being loud enough to be heard up to 300 feet away; the monitoring equipment, alarms, and filters must be checked before use to ensure they are working properly.