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ARSENIC What is arsenic? Arsenic is a naturally occurring element widely distributed in the earth's crust. In the environment, arsenic is combined with oxygen, chlorine, and sulfur to form inorganic arsenic compounds. Arsenic in animals and plants combines with carbon and hydrogen to form organic arsenic compounds. Inorganic arsenic compounds are mainly used to preserve wood. Organic arsenic compounds are used as pesticides, primarily on cotton plants. What happens to arsenic when it enters the environment? * Arsenic cannot be destroyed in the environment. It can only change its form. * Arsenic in air will settle to the ground or is washed out of the air by rain. * Many arsenic compounds can dissolve in water. * Fish and shellfish can accumulate arsenic, but the arsenic in fish is mostly in a form that is not harmful. How might I be exposed to arsenic? * Eating food, drinking water, or breathing air containing arsenic. * Breathing...

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