Recent Blog Posts

Ammonia Week in Review | May 18, 2018

May 18th, 2018

A historic ammonia accident, a scary near-miss, and repairs made in outer space: all in this week’s edition of the Ammonia Week in Review… On May 11, 1976, an Ammonia Truck Disaster Killed Several Houstonians, Led to Major Change – May 11 marks the 42nd anniversary of one of the scariest moments in Houston history, when a […]

Comparing RAGAGEPs: Relief Valve Sizing

May 15th, 2018

It’s widely known that pressure vessels must be equipped with over-pressure protection (2015 ASME B&PVC UG-125), often in the form of a pressure relief valve. Properly sizing a relief valve requires engineering analysis which accounts for the type of over-pressure scenarios that might occur. In most cases, model codes and standards (RAGAGEPs) specify the relief […]

Ammonia Week in Review | May 11, 2018

May 11th, 2018

A Kentucky HazMat teams suits up for an ammonia scare in this week’s edition of the Ammonia Week in Review… All-Clear Given After Ammonia Leak – “We’ve been preparing for this – hopefully, that it would never happen. Again, this was minor; you never want anything to happen, but it could have been a lot worse.” – […]

Ammonia Week in Review | May 4, 2018

May 4th, 2018

A farmer is air-lifted to a hospital after exposure to ammonia in this week’s edition of the Ammonia Week in Review… Farmer Airlifted to Hospital After Inhaling Chemical Fumes – An unnamed farmer at the time was switching tanks when he came in contact with anhydrous ammonia about a 1/2 mile north of Sigel on Rte 45. […keep […]

Management of Change and Communicating with the Local CUPA

May 1st, 2018

Did you notify your local CUPA[1] about the recent modifications at your facility? If not, you probably should have. For facilities located in California and subject to the California Accidental Release Prevention Program (CalARP), communication with the local CUPA may be required when making modifications to a process. Covered Process Modification [CalARP §2745.11] If a facility […]