; (2) work in conjunction with the technical representatives of the air carrier; and (3) invite the participation of the collective bargaining representative of employees of the air carrier. 6. Air monitoring equipment (a) Requirement To include on commercial aircraft Not later than 180 days after the date of the enactment of this Act, the Administrator of the Federal Aviation Administration shall prescribe regulations requiring a commercial air carrier, by not later than one year after the regulations are published in the Federal Register— (1) to install and operate onboard carbon monoxide detectors that— (A) are situated in the air supply system to best enable pilots and maintenance technicians to locate the source or sources of air supply contamination; (B) continuously monitor carbon monoxide levels in the aircraft air supply system when the aircraft is in flight; and (C) alert the pilot and flight attendants in the event that carbon monoxide concentration is at or above 9 ppm