Summary In February 2024, the installation of a relief valve with the wrong set pressure resulted in the release of a small quantity of ammonia. Release calculations were not performed since the estimated release amount was below 100 lbs of ammonia. Incident Description Contractors were in the process of replacing relief valves throughout the system […]
Ammonia Repeats in this week’s edition of the Ammonia Week in Review… Minor Ammonia Leak Prompts Hazmat Response in Houlton – In an email, DEEP spokesman James Fowler said 10 to 15 workers were evacuated from the plant as a precaution due to an ammonia leak. He said no injuries were reported. […keep reading] Second Ammonia Leak in a […]
This is an update to a blog that was originally posted on 10/14/14. You can read the original blog here. Question: What is the proper procedure for selecting the pressure relief valve capacity for a positive displacement compressor? Answer: ANSI/IIAR 2-2021 §8.2.2.2 addresses this very question. Furthermore, Appendix E (Informative) of that same document gives […]
Ammonia Heats Up in this week’s edition of the Ammonia Week in Review… Ammonia Leak at Tuem Ice Factory Sparks Panic, Swift Response Averts Disaster – On reaching the site, firefighters detected ammonia gas—commonly used in ice manufacturing—spread across the area. […keep reading] Blythe Ammonia Leak Contained – Hazmat crews Friday are investigating an anhydrous ammonia leak that […]
This is an update to a blog that was originally posted on 6/13/17. You can read the original blog here. Relief System Design and Design Basis is one of the most commonly inspected components of Process Safety Information (Title 8 CCR §5189(d)(3)(A)(4) and Title 29 CFR §1910.119(d)(3)(i)(D)). This documentation, when prepared correctly, will describe the […]
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