Tag Archives: General Duty

What the Ammonia refrigeration industry can learn from West, TX

Last night I attended the CSB Public Meeting in Waco, TX concerning the 2013 West, TX Ammonia Nitrate explosion. The purpose of the meeting was to release their report on the incident. The explosion resulted in 15 fatalities and 260 … Continue reading

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CSB Releases Safety Video on 2009 Fatal Blast at NDK Crystal – Animation Depicts Stress Corrosion Cracking; Vessels Were Not Inspected or Tested

Today the CSB issued a report on a 2009 vessel failure that it blamed on Stress Corrosion Cracking. There are some interesting lessons to be learned about incident investigation in this report since the mechanism that led to the vessel’s … Continue reading

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Ammonia citations under the General Duty clause

Most of us in the Ammonia Refrigeration industry are dealing with a PSM covered process, but there are some of us who are not required to implement PSM because we don’t have a threshold quantity. The real worry for those … Continue reading

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No NH3 Detection – General Duty Citation in store?

Most General Duty citations have nothing to do with Ammonia refrigeration but I’ve started to see a trend recently where processes that are not covered by PSM are being subject to Recognized and Generally Accepted Good Engineering Practices (RAGAGEP). The … Continue reading

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