AS/NZS 2927:2019

The objective of this Standard is to promote the safety of persons and property where chlorine is stored or handled in its gaseous or liquefied forms by providing requirements and recommendations that are based on industry best practices.

This Standard sets out requirements and recommendations for the safe storage and handling of liquefied chlorine gas in sites where chlorine is used, e.g. water treatment facilities and sites where chlorine containers are stored e.g. transport depots. It also provides requirements and recommendations for vaporizers, chlorinators and other parts of systems in which chlorine is reticulated and distributed.
NOTE 1 Physical and chemical data for chlorine is provided in Appendix A.
NOTE 2 The hazardous properties of chlorine are discussed in Appendix B.
For the purposes of this Standard, quantities are expressed in kilograms (kg).
This Standard is written for end users in water treatment in particular; however, parts of the Standard will apply to other end users.

Originated as AS 2927-1987.
Jointly revised and redesignated as AS/NZS 2927:2001.
Jointly revised and redesignated as AS 2927:2019.
Reissued and redesignated incorporating Amendment 1 (October 2025) as AS/NZS 2927:2019.