Recent Blog Posts

Ammonia Week in Review | October 23, 2020

October 23rd, 2020

An ammonia tanker leaks ammonia at a truck stop in this week’s edition of the Ammonia Week in Review… Falkville Residents Get All Clear after Toxic Chemical Leak – Falkville residents are in the clear after a dicey situation with a toxic chemical leak led to an evacuation effort last week. […keep reading] Japan Targets Ammonia in Green […]

Ammonia Week in Review | October 16, 2020

October 16th, 2020

India suffers another ammonia-related fatality in this week’s edition of the Ammonia Week in Review… Goa: Industrial Worker Dies in Ammonia Leak Incident – A 22-year old industrial worker died following inhalation of ammonia gas that leaked out from a cold storage unit in a fish processing plant located at Cuncolim Industrial Estate on Friday. […keep reading] IIAR Achieves […]

IIAR Achieves a Mechanical Code Milestone

October 13th, 2020

On March 6, 2020, the International Code Council published the 2021 edition of the International Mechanical Code (IMC). 2021 IMC includes a noteworthy change that all ammonia refrigeration industry stakeholders should celebrate. Instead of including prescriptive requirements for ammonia refrigeration systems in Chapter 11, as previous editions had done, §1101.1.2 now requires that “Refrigeration systems […]

Valve Exercising and IIAR 6

September 29th, 2020

Ammonia refrigeration systems are typically configured with hundreds of valves that require maintenance to help ensure that they will function properly when adjusted from their normal position. ANSI/IIAR 6-2019 Standard for Inspection, Testing, and Maintenance of Closed-Circuit Ammonia Refrigeration Systems includes the minimum requirements for valve inspection, testing, and maintenance (ITM) in Table 11.1.6. Concerning […]

Differences Between IIAR Standards 2 and 9

September 15th, 2020

Earlier this year, IIAR published ANSI/IIAR 9-2020 Standard for Minimum System Safety Requirements for Existing Closed-Circuit Ammonia Refrigeration Systems. While it has long been recognized that new systems must adhere to the requirements of IIAR Standards 2 and 4, facilities with existing systems have often been confused on how they should relate to these standards. […]