Recent Blog Posts

Ammonia System Hydraulic Shock

March 27th, 2015

CSB safety video detailing key lessons for preventing hydraulic shock in ammonia refrigeration systems based on the CSB’s investigation into the accident at Millard Refrigerated Services Inc. on August 23, 2010. 32,000 pounds of anhydrous ammonia were released to the atmosphere, resulting in over thirty offsite workers being hospitalized – four in an intensive care […]

Ammonia Week in Review | March 27, 2015

March 26th, 2015

Ammonia stirs up trouble in this week’s edition of the Ammonia Week in Review…… Poisonous Gas Leak in Belvedere Last Night – An ammonia leak at a depot in Belvedere last night required assistance from the HART hazardous team at London Ambulance Service (LAS). […keep reading] PARIS TN: Ammonia Leak Contained – Members of the Henry Volunteer Fire Department and Tosh Farms employees […]

Ammonia Week in Review | March 20, 2015

March 20th, 2015

EPA and OSHA tighten up enforcement in this week’s edition of the Ammonia Week in Review…… Meat Plant Closed by Ammonia Leak – A meat worker was taken to hospital after ammonia leaked at an Invercargill meat works last night. […keep reading] DuPont Workers Sprayed with Liquid Ammonia Taken to Hospital – Two DuPont employees have been transported to the hospital after a […]

Ammonia Week in Review | March 13, 2015

March 12th, 2015

Ammonia makes a brief appearance in this week’s edition of the Ammonia Week in Review…… OSHA Investigating Possible Ammonia Leak at Reser’s Plant – The Occupational Safety and Health Administration is investigating a report of an ammonia leak at the Reser’s Fine Foods plant in Topeka last week. […keep reading] Q&A | Relief Valve Replacement (Dual Assembly) – Question: Do both relief […]

Q&A | Relief Valve Replacement (Dual Assembly)

March 10th, 2015

Question: Do both relief valves on a dual assembly have to be replaced every five (5) years, or just the relief valve that has been subject to system pressure? Answer: Most pressure vessels in an ammonia refrigeration system exceed 10 cubic feet in volume (normal exceptions are oil pots and small oil separators), and therefore are […]