Failed Piping Releases Ammonia Into Machinery Room
Incident Investigation
Failed Piping Releases Ammonia Into Machinery Room
September 4, 2017
Boiler, PV and Refrigeration
Reference Number:
5623079
Location: Aldergrove
Description: A piping fitting failed that released about 5 pounds of ammonia into the machinery room of an ice rink. The fitting between the oil separator and its relief valve cracked and failed to hold the ammonia in the piping, which activated the exhaust ventilation system.