Air toxics are chemicals in the air that can cause cancer or other serious health effects, including reproductive effects and birth defects. We are exposed to air toxics in the air we breathe, and when air toxics are deposited in water and soil, we can be exposed to them through drinking water and food.

California’s guidelines for assessing the risk from air toxics have been revised. See more information on the Air Toxics Regulations page.

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For more information or assistance, call or email Kaitlin McNally at (805) 961-8855 (Air Toxics Section).