U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

  • Environmental Topics
  • Laws & Regulations
  • Report a Violation
  • About EPA
    HERO
  • About
    FAQ Risk Assessment Transparency & Integrity Contact Us Report an Issue
  • Browse
    Search HERO Projects
  • Login
  1. Home
  2. Projects

Please check your network connection and refresh this page

HERO Projects

208

total HERO projects

61

OPPT REs projects

56

IRIS projects

34

PFAS projects

22

Other projects

17

NAAQS projects

10

OPPT projects

3

OW - HHRAB projects

2

PPRTV projects

1

TRI Other projects

1

STPC projects

1

IRIS Legacy projects

 
Search by name or CASRN
×
Filter by Project category

22 items found.

    Other
    Alaska Waste and Health Impacts (Other)
    Other
    Atrazine SAP 2023 (Other)
    Other
    EPA MPPD (Other)
    Other
    Exposure Factors Handbook (Post 2011) (Other)
    Other
    Exposure Manuscripts (Other)
    Other
    Harmful Algal Blooms- Health Effects (Other)
    Other
    Hypoxia Task Force literature reviews (Other)
    Other
    Justice, Equity, Diversity, and Inclusion (JEDI) Resources (Other)
    Other
    Mouse Lung Tumor Workshop 2014 (Other)
    Other
    MSA-Multipollutant Exposure Metric Review (Other)
    Other
    Nanoscale Carbon (Other)
    Other
    Nanoscale Silver (Other)
    Other
    Naphthalene (2021 Evidence mapping publication) (Other)
    Other
    Nutrient Stressors and Biological Responses (Other)
    Other
    Perfluoro-3-Methoxypropanoic Acid (Other)
    Other
    Probabilistic Methods (Dose Response Panel) (Other)
    Other
    Project 9 – Soil and Dust Ingestion (Other)
    Other
    Public Metadata (Other)
    Other
    Ramazzini Institute (Other)
    Other
    Third Biofuels Report to Congress (Other)
    Other
    WFLC - CAIF Report (Other)
    Other
    Yale PFAS Liver study (Other)
Contact Us for questions about HERO. Got feedback? Report an Issue here.
Last updated on November 6, 2025
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshots
  • Grants
  • No FEAR Act Data
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data.gov Exit EPA's Website
  • Inspector General
  • Jobs
  • Newsroom
  • Open Government
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.