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Air: Fate, Exposure, and Risk Analysis (FERA)

  • Fate, Exposure, and Risk Analysis (FERA)

    EPA uses a variety of tools to evaluate the health risks and environmental effects associated with exposure to "criteria" air pollutants (including photochemical oxidants, such as ozone) and toxic air pollutants.

    Learn about recent releases including updated files and models

Total Risk Integrated Methodology (TRIM)

  • TRIM Overview
  • TRIM.FaTE
  • TRIM.Expo
  • TRIM.Risk
  • Peer Review and Publications

Multimedia Fate and Transport Modeling

  • Multimedia Fate and Transport Modeling Overview
  • TRIM.FaTE
  • Other Models and Related Information

Human Exposure Assessment and Modeling

  • Human Exposure Assessment and Modeling Overview
  • Criteria Air Pollutant Exposure Assessment
  • Databases to Support Exposure Modeling
  • Air Pollutants Exposure Model (APEX/ TRIM.Expo Inhalation)
  • Hazardous Air Pollutant Exposure Model (HAPEM)
  • Other Models and Exposure-Related Information    

Risk Assessment and Modeling

  • Risk Assessment and Modeling Overview
  • Air Toxics Risk Assessment
  • Criteria Air Pollutant Risk Assessment
  • Human Exposure Model (HEM)
  • EPA Risk Assessment Policy, Guidelines, and Related Materials

More Information

Download Fate, Exposure and Risk Models

Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 5, 2025
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