Semi-welded plate heat exchanger released ammonia at indoor ice surface facility’s refrigeration plant
Incident Investigation
Semi-welded plate heat exchanger released ammonia at indoor ice surface facility’s refrigeration plant
April 13, 2021
Boiler, PV and Refrigeration
Reference Number:
II-1187393-2021 (#21850)
Location: Peace River Region
Regulated industry sector: Boilers, PV & refrigeration - Refrigeration system
Incident overview
Brine samples taken from an indoor ice surface facility’s refrigeration plant contained ammonia. A second set of samples confirmed even higher levels of ammonia, which led to the discovery that the internal pressure boundary of a semi-welded plate heat exchanger was leaking.