1.1.1 This standard shall specify the minimum requirements for breathing air quality for fire and emergency services organizations that use atmosphere-supplying respirators. 1.1.2 This standard shall specify the requirements for the breathing air quality component of the respiratory protection program required by NFPA 1500, Standard on Fire Department Occupational Safety and Health Program. 1.1.3 This standard shall not specify requirements for air quality for any other applications. 1.1.4 This standard shall not specify requirements for medical-grade oxygen. 1.1.5 This standard shall not be construed as addressing all of the safety concerns, if any, associated with its use. It shall be the responsibility of the persons and organizations that use this standard to establish safety and health practices and determine the applicability of regulatory limitations prior to use of this standard. 1.1.6 Nothing herein shall restrict any jurisdiction or breathing air provider from exceeding these minimum requirements.