As anhydrous ammonia presents a significant health hazard because it is corrosive to the skin, eyes and lungs and is also flammable at concentrations of about 15 to 28 percent by volume in air which means it can explode if it is released in an enclosed space with a source of ignition present is why the Clean Air Act designates anhydrous ammonia as a regulated substance for accident prevention.   Evidence gathered by the U.S. Environmental Protection Agency (EPA) indicates that some refrigeration facilities may be failing to properly manage hazardous chemicals, including anhydrous ammonia, as required by the Clean Air Act (CAA) Section 112(r) and Executive Order #13650.   The following Alert is intended to inform the industry that companies must take responsibility to prevent accidental releases of dangerous chemicals like anhydrous ammonia through compliance with CAA’s Chemical Accident Prevention Program.  Read more…

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