At What Concentration Is Ammonia Hazardous?
At What Concentration Is Ammonia Hazardous? Ammonia is considered a high health hazard because it is corrosive to the skin, eyes, and lungs. Exposure to 300 parts per million (ppm) is immediately dangerous to life and health. Ammonia is also flammable at concentrations of approximately 15% to 28% by volume in air. Is 19% aqueous