Industrial refrigeration contractors are familiar with the codes and regulations that apply to ammonia refrigeration systems such as ASHRAE 15 and ANSI/IIAR codes. OSHA regulations that describe safe plant operation, maintenance, documentation and incident reporting only apply to ammonia plants with more than 10,000 lb of ammonia.
Ammonia is one refrigerant that is here to stay. Ammonia will not be phased out as many halocarbon refrigerants have. While chemical companies continue to create new molecules for refrigerant applications and many countries are looking at limiting even the newer HFC refrigerants, natural refrigerants remain a good choice for today and the future.
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