Recent Blog Posts

Ammonia Week in Review | September 19, 2025

September 19th, 2025

Lessons And Resources in this week’s edition of the Ammonia Week in Review… National Transportation Safety Board – NTSB releases final report on the 2023 anhydrous ammonia leak near Teutopolis. […keep reading] Emergency Response Exercise Simulates Aqueous Ammonia Leak at Unit 17 Power Plant – The exercise simulated a scenario in which a valve broke on a tank […]

Pipe Plugs and Caps in Ammonia Refrigeration Systems

September 16th, 2025

Question: Are oil drain valves and service valves required to be plugged or capped when not in use? Answer: Yes. All shut-off valves connecting equipment or piping to the atmosphere must be plugged, capped, blanked, or locked closed when they are not in use. ANSI/IIAR 2-2021 §13.3.2.6 states “Shut-off valves connecting ammonia-containing equipment or piping […]

2025 RETA National Conference

August 20th, 2025

The 2025 RETA National Conference will cover a wide array of topics for the professional development of industrial refrigeration operators and technicians. The conference spans 5 days filled with hands-on training, workshops, technical presentations, networking events, and an expansive exhibit hall. No matter your level of experience or position within the Industrial Refrigeration Industry, the educational […]

Provision for Refrigerant Removal

August 4th, 2025

This is an update to a blog that was originally posted on 8/4/15. You can read the original blog here. Most people who have worked around the ammonia refrigeration industry for any period of time recognize the importance that strainers play in the proper operation and maintenance of an ammonia refrigeration system. Typically located upstream […]

Ammonia Week in Review | August 1, 2025

August 1st, 2025

Ammonia Found In Unusual Circumstances in this week’s edition of the Ammonia Week in Review… Ammonia Leak at Henrico Water Treatment Facility Contained by Hazmat Team – It started when contractor employees started replacing ammonia scrubber equipment during scheduled repairs. […keep reading] ABS Supports Ammonia Safety Through a Comprehensive Approach – Understanding and learning ammonia’s behavior through advanced simulation […]