What are the health effects of ammonia exposure?
More than 300 ppm (parts per million) of ammonia can be deadly, according to WorkSafe.
"Anhydrous ammonia can be harmful, with exposure to 300 ppm being immediately dangerous to life and health," WorkSafe states.
Effects of breathing ammonia range from lung irritation to severe respiratory injuries, with high doses resulting in death.
It is also corrosive to the skin, eyes, and lungs.
What is ammonia used for?
Ammonia is used, mainly, as an agricultural fertiliser, industrial refrigerant, and in the manufacture of ammonium nitrate based fertilisers and explosives, according to Queensland WorkSafe.
It can be found at ice works, cold stores, and various food processing facilities, such as meat, dairy, food and drinks.