1.1  Scope.
1.1.1* 
This standard shall specify the minimum requirements for the design, performance, testing, and certification of (1) new compressed breathing air open-circuit self-contained breathing apparatus (SCBA) and compressed breathing air combination open-circuit self-contained breathing apparatus and supplied air respirators (SCBA/SARs); and (2) replacement parts, components, and accessories for those respirators.
1.1.2  Reserved.
1.1.3 
This standard shall not specify requirements for respiratory protection equipment that is used for fire-fightingfirefighting operations.
1.1.4 
This standard shall not specify requirements for other types of SCBA.
1.1.5* 
This standard shall not specify requirements for any accessories that could be attached to the certified product that are not certified by the National Institute for Occupational Safety and Health (NIOSH).
1.1.6 
This standard shall not establish criteria for SCBA for underwater operations.
1.1.7 
This standard shall not establish criteria for protection from ionizing radiation.
1.1.8 
This standard shall not be construed as addressing all the safety concerns associated with the use of compliant SCBA and combination SCBA/SARs. It shall be the responsibility of the persons and organizations that use compliant SCBA and combination SCBA/SARs to establish safety and health practices and to determine the applicability of regulatory limitations prior to use.
1.1.9 
This standard shall not be construed as addressing all the safety concerns, if any, associated with the use of this standard by testing facilities. It shall be the responsibility of the persons and organizations that use this standard to conduct testing of SCBA and combination SCBA/SARs to establish safety and health practices and to determine the applicability of regulatory limitations prior to using this standard for any designing, manufacturing, and testing.
1.1.10 
Nothing herein shall restrict any jurisdiction or manufacturer from exceeding these minimum requirements.