Summary In October 2021, a contractor accidentally cut into a live ammonia pipe, resulting in the release of approximately 419 lbs of ammonia. Due to a general lack of labeling, the live pipe was confused for the decommissioned pipe that was intended to be cut out of the system. Incident Description A contractor was performing […]
It has long been required that access be considered when designing and installing an ammonia refrigeration system. In fact, we wrote about this topic in some detail back in 2013. Since a decade has passed, it seems appropriate to revisit the relevant access requirements contained within the current RAGAGEP documents applicable to ammonia refrigeration. ANSI/IIAR […]
Summary In September 2012, the rupture of an auto-purger bubbler resulted in two injuries, one of which was permanent and disabling. The root causes were determined to be a buildup of scale inside the bubbler, and failure to follow proper maintenance/operating procedures. Incident Description Water & mineral deposits were collected in the drain line of […]
Summary In September 2022, a solenoid coil grounded out against the plunger tube which burned a hole in the post of the valve. This resulted in two injuries and a release of approximately 1,095 lbs of ammonia. Incident Description Damage to the solenoid coil allowed the “live” coil to make contact with the “ground” […]
Uriah Donaldson presented a technical paper at the 2023 IIAR Conference titled The Cost of Non-Compliance: An Objective Analysis of Federal EPA’s Enforcement at Ammonia Refrigeration Facilities. This blog series includes excerpts from his technical paper. Part 10: Conclusion & Appendix A Database The Federal EPA and its body of regulations is not likely to go away anytime soon. […]
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