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This Fact Sheet answers questions about chemical exposures."Exposure" means that you have come into contact with a chemical, and it has gotten into your body. For a chemical exposure to happen, there has to be a place where the chemical comes from. This place is called a source. A source could be a landfill, pond, creek, incinerator, tank, drum, or factory. There are many different sources of chemicals. You could come into contact with a chemical at its source. Or, the chemical could move from its source to a place where you could come into contact with it. Chemicals can move through air, water, and soil. They can also be on plants or animals, and get into the foods we eat. The chemical has to get into your body to make you sick, or to have an effect on your health. But if you are not exposed to a chemical, it won't make you sick.
If you are exposed,
there are three ways a chemical could get into your body. These are:
If you are exposed to a chemical, will you get sick? This depends on a lot of factors about the exposure.
Other people may be more sensitive to a chemical, and get sick from an exposure. (For example, children can be more sensitive to chemicals and may get sick more easily than adults.) And some sicknesses would be caused only if you were exposed to a chemical for a long time. But if you are not exposed to a chemical, it won't make you sick.
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This page updated April 16, 2003
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