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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)

Multimedia Fate and Transport Modeling

Human Exposure Assessment and Modeling

Risk Assessment and Modeling