Sets out the principles of respiratory protection. Provides information concerning the effects on the body and protection from harmful substances and atmospheres deficient in oxygen. Offers guidance on considerations critical to the correct selection, use and maintenance of respirators specified in AS 1716. Advises on the range of protection factors and the level of protection provided by different respiratory devices is covered. Gives guidance on hazard reduction and respiratory protection programs. This Standard does not deal with the special problems associated with underwater breathing, use of respirators in aircraft or life support respirators for medical or resuscitation purposes.

First published as AS CZ11-1960.Second edition 1968.AS CZ11-1968 revised and redesignated AS 1715-1975.Second edition 1982.Third edition 1991. First published as AS CZ11-1960. Second edition 1968. AS CZ11-1968 revised and redesignated AS 1715-1975. Second edition 1982. Third edition 1991.