Even if your under OSHA’s PSM TQ of 10K, your state fire code may have a few surprises for the business (NH3)

With all the changes to Ammonia Refrigeration RAGAGEPs, many businesses forget that the IFC and their state fire code no longer cover refrigeration; they gave all that to IIAR. But since the IFC no longer covers refrigeration, how does NH3 get covered under the IFC? Is it flammable, toxic, or corrosive?