Recent Blog Posts

IIAR 2-2021: NFPA 704

May 31st, 2022

We’ve written about NFPA 704 placards on ammonia refrigeration systems in the past, but it seemed timely to provide an update since ANSI/IIAR 2-2021 was recently published and includes a noteworthy change in the minimum requirements. What’s the Same? The 2021 version of Standard 2 still requires that an NFPA 704 placard be affixed to […]

Ammonia Week in Review | May 20, 2022

May 20th, 2022

Triple digit fines for ammonia spill in this week’s edition of the Ammonia Week in Review… Teck Metals Fined for Ammonia Leak in Trail – Since 2019, WorkSafeBC has slapped Teck Metals with two work site penalties collectively totalling $701,362. […keep reading] IIAR 2-2021: Bulletin No. 114, and Labeling – IIAR Bulletin No. 114 has been an important […]

IIAR 2-2021: Bulletin No. 114, and Labeling

May 17th, 2022

IIAR Bulletin No. 114 has been an important resource for the ammonia refrigeration industry since the early 1990’s. In the 2021 edition of IIAR Standard 2, the entirety of Bulletin No. 114 is incorporated as informative Appendix Q. This means that IIAR’s guidance on ammonia refrigeration labeling will no longer be available through a standalone […]

Ammonia Week in Review | May 6, 2022

May 6th, 2022

Ammonia is now harvestable from wastewater in this special Mother’s Day edition of the Ammonia Week in Review… New Process Harvests Ammonia from Wastewater – A dash of ruthenium atoms on a mesh of copper nanowires could be one step toward a revolution in harvesting ammonia from nitrates in wastewater and groundwater. […keep reading] IIAR 2-2021: Emergency […]

IIAR 2-2021: Emergency Pressure Control Systems

May 3rd, 2022

In the 2008 edition of Standard 2, IIAR first addressed the topic of emergency pressure control systems (EPCS). Prior to the publication of ANSI/IIAR 2-2021 earlier this year, each subsequent publication of Standard 2 has offered commentary on the subject of EPCS in an informative appendix. ANSI/IIAR 2-2021 §15.6 is the first instance of EPCS […]