What is arsenic found in?

* Rocks and soil: Arsenic is found in small amounts in many rocks and soils. Mining and smelting activities can release arsenic into the environment.

* Air: Arsenic can be released into the air from industrial emissions and burning of fossil fuels.

* Water: Arsenic can contaminate water supplies from natural sources, such as rocks and soils, or from industrial activities.

* Food: Arsenic can be found in food, such as rice, wheat, and vegetables, if the food is grown in contaminated soil or water.