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Risk Assessment

  • Regional Screening Levels (RSLs) Tables

    In November 2022, EPA's RSL tables were updated to provide comparison values for residential and commercial/industrial exposures to soil, air, and tapwater (drinking water). Read about the new additions of the regional screening level tables

  • Lead Awareness

    Strengthened Dust-Lead Clearance Levels to Protect Children from Lead Exposure

    • Learn more about clearance levels and the final rule.
    • Read the press release.
  • Enhanced Aquifer Recharge (EAR)

    EPA announces the availability of the  final report, Enhanced Aquifer Recharge  of Stormwater in the United States: State of the Science Review. This report

  • EPA Report on Prescribed Fire Versus Wildfire in the Western U.S.

    In January 2020, the Wildland Fire Leadership Council requested that EPA conduct an assessment of air quality and health impacts of prescribed fire compared to wildfire.

    Press Release Sep 30, 2021 | Read the EPA Wildfire Final Report

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

  • What is Risk?
  • History of Risk Assessment at EPA
  • Getting Help with Risk Assessment Issues
  • Risk Management
  • Risk Messaging
  • Where You Live

Human Health Risk Assessments

  • Basic Information
  • Conducting a Human Health Risk Assessment
  • Human Health Risk Assessment Guidance
  • Human Health Risk Assessment Tools and Databases
  • Human Health Risk Assessment Products and Publications

Ecological Risk Assessments

  • Basic Information
  • Conducting an Ecological Risk Assessment
  • Ecological Risk Assessment Guidance
  • Ecological Risk Assessment Tools and Databases
  • Ecological Risk Assessment Products and Publications

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  

More announcements

Search RISK

By Keyword
 

Search Risk Human Health Publications | Search Risk Ecological Publication

Risk Calendar & Events

  • 7/18-20: Public meeting of the Chartered Science Advisory Board (SAB)
  • On-going: EPA's Science Advisory Board Activities and Calendar of Events
  • On-going: EPA's Research Monthly Webinar Series
  • On-going: Society for Risk Assessment Podcasts: Let's talk Risk
  • Monthly: EPA's Research and Science Calendar
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on November 23, 2022
United States Environmental Protection Agency

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