Hazardous Materials Release

What it is

A hazardous materials release happens when chemicals or other dangerous substances are accidentally or intentionally released. This can occur during transportation, storage, industrial activity, or emergencies.

Why it matters in Tennessee

Hazardous materials move through Tennessee by road, rail, air, and waterways. Facilities that store or use chemicals may also be located near communities, workplaces, schools, and transportation routes.

What to do before

  • Learn how local officials will alert you during a hazardous materials incident.
  • Know how to shelter in place if instructed.
  • Keep plastic sheeting, tape, and emergency supplies available if recommended for your area.
  • Make a communication plan with your household.
  • Know evacuation routes from your home, workplace, or school.

What to do during

  • Follow instructions from local officials immediately.
  • If told to shelter in place, go indoors, close windows and doors, and turn off fans or ventilation systems if instructed.
  • If told to evacuate, leave the area using official routes.
  • Do not touch spilled liquids, powders, vapors, or unknown substances.
  • Stay away from the incident area.

What to do after

  • Return only when officials say it is safe.
  • Follow instructions for cleaning, ventilation, or disposal of contaminated items.
  • Seek medical attention if you feel sick or were exposed.
  • Do not eat or drink anything that may have been contaminated.
  • Report unusual odors, spills, or symptoms to local officials.

Stay informed

During a hazardous materials incident, rely on instructions from local emergency officials, law enforcement, fire departments, and public health agencies.