Recent Blog Posts

Ammonia Week in Review | January 31, 2020

January 31st, 2020

More is uncovered regarding the Beach Park ammonia leak in this week’s edition of the Ammonia Week in Review… CDC: Twice as Many Affected by Beach Park Ammonia Leak than Initially Thought – More than twice as many people — including homeowners, commuters, police and fire first-responders and hospital personnel — were exposed and treated during the hazardous material incident […]

Overview of IIAR 6 Video

January 24th, 2020

At our recent 2020 Ammonia Refrigeration Training Days, President and Senior Engineer Peter Thomas gave the keynote address. Peter, a member of the writing subcommittee, gave an overview of the new mechanical integrity standard: ANSI/IIAR 6-2019 Standard for Inspection, Testing, and Maintenance of Closed-Circuit Ammonia Refrigeration Systems. Watch the video:

Ammonia Week in Review | January 24, 2020

January 24th, 2020

An ammonia leak occurs at a water treatment plant in this week’s edition of the Ammonia Week in Review… Ammonia Leak Under Control at Asheboro’s Water Treatment Plant – The leak occurred as a contractor was performing maintenance on the above-ground anhydrous ammonia holding tank and encountered an equipment failure. […keep reading] Testing Compressor Safety Devices (IIAR 6, […]

Testing Compressor Safety Devices (IIAR 6, Part 11)

January 21st, 2020

Is it acceptable to test a high discharge pressure cutout (HPCO) by lowering the setpoint? Maybe. ANSI/IIAR 6-2019 §6.1.1 prescribes the allowable methods for testing a compressor HPCO which is required annually per Table 6.1. Depending on the type of pressure limiting device being used, allowable methods differ. Electromechanical Switch Electromechanical switches are widely used […]

Ammonia Week in Review | January 17, 2020

January 17th, 2020

A refrigeration contractor dies after an ammonia leak in this week’s edition of the Ammonia Week in Review… Investigators Identify Victim in Deadly Ammonia Leak at Iredell County Warehouse – Officials said a subcontractor was killed and another worker was hurt after an exposure to anhydrous ammonia. […keep reading] The Tables! (IIAR 6, Part 10) – Chapters 6-15 of […]