Recent Blog Posts
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. […]
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 9: Examples and Summaries of Real Inspection Reports This last section reviews several examples of individual inspection reports representing common findings and […]