About Chemical Emergencies

What to know

  • A chemical emergency happens when a hazardous chemical is released and the release could harm people's health.
  • Chemical emergencies can happen because of an accident, such as a train derailment, or through a deliberate release such as a terrorist attack.
  • If a chemical emergency happens, take steps to protect yourself and your loved ones.

Protect yourself and your loved ones

Know what to do in a chemical emergency

Certain chemicals can be harmful, but you can protect yourself and your loved ones. If a chemical emergency happens, get away from the area, get it off and get clean, and get help. Listen to authorities about whether it is safer to evacuate or shelter in place.

Protect your pets

In a chemical emergency, you may need to evacuate or shelter in place. Gather materials that your pet would need, including food, medications, important papers, and other supplies. Make a plan by finding pet-friendly hotels or asking friends or relatives if you and your pet could stay with them.

Information about specific chemicals

Certain chemicals can harm you or your loved ones. If a chemical emergency happens, you may need to take steps to protect yourself and your family. Visit the following factsheets to learn more about different chemicals and what to do if you are exposed to them.

More information