Breathing Air Standards

This Standard provides the minimum requirements, unless otherwise specified by the authority having jurisdiction, for the purity of compressed breathing air supplied to the service outlet and for breathing air systems required to produce, store, and distribute such...

This standard shall specify the minimum requirements for breathing air quality for emergency services organizations that use atmosphere-supplying respirators for the respiratory protection of their personnel. This standard shall specify the requirements for the breathing...

This part of the Def Stan specifies the requirements for non-medicinal compressed natural breathing air (CNBA) procured or in-situ produced for life-support applications and provides reference methods of test. It includes CNBA for aircraft applications, and marine /diving...

This document specifies performance requirements and gives recommendations for the design of breathing air supply and CO2 absorption systems of manned submersibles, capable of maintaining suitable life support conditions in the manned compartments. It is applicable to manned...