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Risk Assessment

Regional Screening Levels (RSLs) Tables

In May 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

Human Health Risk Assessments

Ecological Risk Assessments

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

Recent Risk Assessment Announcements

IRIS Assessment of Ethyl Tertiary Butyl Ether (ETBE) - Final Report
IRIS Assessment of tert-Butyl Alcohol (tert-butanol) - Final Report
IRIS Assessment for Perfluorobutanoic Acid (PFBA) (External Review Draft) - Closes Oct 22nd
Enhanced Aquifer Recharge (EAR) Final Report
Integrated Exposure Uptake Biokinetic (IEUBK) Model for Lead in Children

More announcements

Search RISK

Search Risk Human Health Publications | Search Risk Ecological Publication

Risk Calendar & Events

05/06/2022: SAB PFAS Panel Review Meeting
05/26/2022: Lead ISA Workshop on Preliminary Draft Materials: Session 1
06/07/2022: Lead ISA Workshop on Preliminary Draft Materials: Session 2
06/08/2022: Public Meeting of the CASAC Ozone Panel
06/10/2022: Public Meeting of the CASAC Ozone Panel
06/13/2022: Public Meeting of the CASAC Ozone Panel
06/17/2022: Public Meeting of the CASAC Ozone Panel
06/22/2022: Lead ISA Workshop on Preliminary Draft Materials: Session 3
06/29/2022: Lead ISA Workshop on Preliminary Draft Materials: Session 4
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