Recent Blog Posts

Definitions (IIAR 6, Part 4)

October 1st, 2019

Words matter. Consequently, ANSI/IIAR 6-2019 has introduced thirty-one new definitions in Chapter 2. Eventually, these definitions will be moved to ANSI/IIAR 1 American National Standard for Definitions and Terminology Used in IIAR Standards when that document is next revised, but until that time, Chapter 2 is a necessary resource for those wanting to implement IIAR […]

Ammonia Week in Review | September 20, 2019

September 20th, 2019

A sports center is evacuated after an ammonia leak in this week’s edition of the Ammonia Week in Review… Ammonia Leak Triggers Evacuation of the Comox Valley Sports Centre – Deputy fire chief Dennis Henderson said staff from the arena did a great job evacuating patrons from the facility which includes two arenas, a 25-metre pool, wellness […]

Purpose, Scope, and Applicability (IIAR 6, Part 3)

September 17th, 2019

Chapter 1 of ANSI/IIAR 6 Standard for Inspection, Testing, and Maintenance of Closed-Circuit Ammonia Refrigeration Systems addresses the Purpose, Scope, and Applicability of the standard. According to §1.1, the purpose of IIAR 6 is to specify “minimum requirements for inspection, testing, and maintenance for closed-circuit ammonia refrigeration systems”. Notice that there are no qualifiers for […]

IIAR 6 Overview (IIAR 6, Part 2)

September 3rd, 2019

Similar to other IIAR standards, ANSI/IIAR 6 Standard for Inspection, Testing, and Maintenance of Closed-Circuit Ammonia Refrigeration Systems is divided into several Parts, with each Part containing multiple Chapters or Appendices. Parts 1-2 are normative, indicating that the content in these sections is mandatory. Part 3 is informative and therefore intended to be descriptive and […]

It’s Finally Here! (IIAR 6, Part 1)

August 20th, 2019

We’ve often heard the axiom that “patience is a virtue”. For the ammonia refrigeration industry, our patience has finally been rewarded with the publication of ANSI/IIAR 6 Standard for Inspection, Testing, and Maintenance of Closed-Circuit Ammonia Refrigeration Systems. By some estimations, IIAR 6 has been in development for over 13 years[1]. Countless IIAR Standards Committee […]