September 20th, 2019
To: IIAR Members
Re: Fourth (4th) Public Review of Standard BSR/IIAR 9-201x, Standard for Minimum System Safety Requirements for Existing Closed-Circuit Ammonia Refrigeration Systems.

A fourth (4th) public review of draft standard BSR/IIAR 9-201x, Standard for Minimum System Safety Requirements for Existing Closed-Circuit Ammonia Refrigeration Systems is now closed.