The Problem
A cold storage facility suspected an ammonia refrigerant leak. Facility was at 98% capacity with an upcoming safety inspection.
Detection Method
Specialized refrigerant detection with thermal imaging of evaporator and piping. Identified abnormal gradient at a flanged ammonia liquid line connection.
Results
Gasket replaced during a planned 4-hour defrost cycle. Safety inspection passed with no corrective notes. Bi-annual surveys added to PSM program.