Risk Assessment
What is Risk? EPA uses risk assessment to characterize the nature and magnitude of health risks to humans and ecological receptors from chemical contaminants and other stressors that may be present in the environment. Learn more about risk under the links below:
Learn about Risk Assessment
Staying Connected
Explore EPA's on-going RISK activities in our recent additions section.
Subscribe to the RISK Bulletin to get the latest updates.
Resources for Environmental Professionals
- Ecological Risk Assessment Support Center (ERASC)
- Food Waste Research
- Global Change Assessments and Research
- Regional Removal Management Levels For Chemicals (RMLs)
- Regional Screening Levels (RSLs)
- Risk Assessment on Pesticides | Pesticide Registration Manual
- Superfund Risk Assessments | Cleaning up Superfund Sites
- Scientific Integrity at EPA
Recent Risk Assessment Announcements
- Derivation of An Acute Reference Concentration for Inhalation Exposure to Naphthalene - Final Report
- IRIS Toxicological Review of Formaldehyde- Inhalation (External Review Draft)
- Supplement to the 2019 Integrated Science Assessment for Particulate Matter
- IRIS Toxicological Review of Perfluorohexanoic Acid (PFHxA) and Related Salts (External Review Draft)
- Integrated Exposure Uptake Biokinetic (IEUBK) Model for Lead in Children