Full Description

This standard describes a shorthand way of naming refrigerants and assigns safety classifications based on toxicity and flammability data. It best fits the category of a Standard Practice.

This standard is under continuous maintenance, which is a process ASHRAE uses to keep standards current through the issuance of addenda, or revisions.

These addenda can be downloaded for free at the following page of the ASHRAE web site:
http://www.ashrae.org/technology/page/132.

Interpretations of the standard, issued by the sponsoring technical committee, also may be downloaded for free at the following address:
http://www.ashrae.org/technology/page/121

Errata lists are issued occasionally and may be downloaded for free at the following address:
http://www.ashrae.org/technology/page/120