Recent Blog Posts

Ammonia Week in Review | April 11, 2025

April 11th, 2025

Ammonia Calls A Timeout in this week’s edition of the Ammonia Week in Review… Murray Bridge CFS Crew Helps with Gas Leak at Forest Range – Early on Sunday morning, the Country Fire Service was alerted to an ammonia gas leak inside an apple storage shed on Plummer Road at Forest Range. […keep reading] Ammonia Leak Forces Closure […]

Ammonia Release | Service Valve Hole

April 1st, 2025

Summary In June 2016, a hole developed in the nipple of a ½” service valve, resulting in a release of 1,224 lbs of ammonia. The service valve, installed on a liquid transfer vessel, began leaking liquid ammonia into the machinery room. Incident Description Long-term, chronic corrosion caused a 1.5 mm hole to develop in the […]

Ammonia Week in Review | March 28, 2025

March 28th, 2025

Bonus Coverage in this week’s edition of the Ammonia Week in Review… Deputies Respond to Anhydrous Ammonia Leak at Payson Plant – The leak took place after a valve was left open, causing the area around the plant to become cloudy. […keep reading] 1 Taken to the Hospital After Anhydrous Ammonia Leak in Rural Logan County – The […]

Ammonia Week in Review | March 21, 2025

March 21st, 2025

History Repeats Itself in this week’s edition of the Ammonia Week in Review… Ammonia Leak at Cold Storage Facility in South McAllen Contained – The city of McAllen reported Monday morning a chemical spill on the 4000 block of W Military Highway in South McAllen. […keep reading] In 6 Months, Another Case of Ammonia Gas Leak – Nearly […]

Relief Valves Discharging Back into a Refrigeration System

March 18th, 2025

This is an update to a blog that was originally posted on 4/19/16. You can read the original blog here. ANSI/IIAR 2-2021 §15.3.10 outlines the requirements for providing Hydrostatic Overpressure Protection. In situations where thermal hydrostatic expansion of trapped liquid ammonia could occur, hydrostatic protection must be provided. Per ANSI/IIAR 2-2021 §15.3.10.1, Protection against overpressure […]