Summary In September 2016, the development of a small hole in the wall of an ammonia suction pipe resulted in a release of 15 lbs of ammonia. Neglected insulation breaches allowed moisture to accumulate on carbon steel piping. This resulted in corrosion and eventually, a pinhole developed in the wall of the pipe. Release Calculation […]
Summary In December 2022, a falling piece of ice broke off a ¾” ammonia charging connection on a high pressure receiver. This resulted in a release of approximately 2,375 lbs of ammonia. Incident Description Extreme weather conditions resulted in excessive ice buildup under the condenser platform. The high pressure receiver was located under the condenser […]
Summary In June 2023, the vibration of an evaporator over a long period of time allowed exposed electrical wiring to cause an arc flash that ruptured a distribution tube. This resulted in two (2) injuries and a release of approximately 11 lbs of ammonia. Incident Description The direct-expansion evaporator was equipped with an electric heater […]
Large Scale Releases in this week’s edition of the Ammonia Week in Review… Ammonia Leak at Virginia Food Plant Sends 33 Workers to Hospitals – Of the 33 who were hospitalized, 22 were initially in serious condition, while 11 more had minor symptoms, fire officials said. […keep reading] Ammonia Leak at Mass. Business Sends 7 to Hospital – […]
Summary In August 2022, hydrostatic expansion occurred inside an improperly isolated evaporator coil, resulting in a release of approximately 230 lbs of ammonia. The leak occurred when one of the return tubes of the evaporator coil broke due to the overpressurization. Incident Description The evaporator coil (Coil 3) was recently replaced and the other two […]
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