Ammonia Release Due to Gasket Seal Failure

Incident Investigation

Ammonia Release Due to Gasket Seal Failure

June 23, 2020

Boiler, PV and Refrigeration

Reference Number:

II-1029477-2020 (#18496)

Location: Port Alberni

Regulated industry sector: Boilers, PV & Refrigeration - Refrigeration system

Incident Overview

Two certified individuals were executing seasonal plant startup activities in an effort to generate an ice surface. The ammonia release initiated alarms, equipment shutdown, plant evacuation of staff and emergency services to attend the site. The loss of containment was likely caused by relaxation of the mechanical fasteners.

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