Agency for Toxic Substances and Disease Registry (ATSDR): Ammonia   [open html - 40KB]

This webpage from the Agency for Toxic Substances and Disease Registry provides information and resources on Ammonia, including resources for community members, emergency responders, and toxicological and health professionals. "Ammonia occurs naturally and is produced by human activity. It is an important source of nitrogen which is needed by plants and animals. Bacteria found in the intestines can produce ammonia. Ammonia is a colorless gas with a very distinct odor. This odor is familiar to many people because ammonia is used in smelling salts, many household and industrial cleaners, and window-cleaning products. Ammonia gas can be dissolved in water. This kind of ammonia is called liquid ammonia or aqueous ammonia. Once exposed to open air, liquid ammonia quickly turns into a gas. Ammonia is applied directly into soil on farm fields, and is used to make fertilizers for farm crops, lawns, and plants. Many household and industrial cleaners contain ammonia."

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Agency for Toxic Substances and Disease Registry: http://www.atsdr.cdc.gov/
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