IIAR Standard 2 (Safety Standard for Equipment, Design, and Installation of Closed-Circuit Ammonia Mechanical Refrigeration Systems) and IIAR Standard 4 (Installation of Closed-Circuit Ammonia Mechanical Refrigeration Systems) are available for public review on the IIAR website.
While being an IIAR member is always a good idea, you do not have to be a member to download or comment on these proposed standards.
