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  2. Toxics Release Inventory (TRI) Program

TRI Site Map

The Toxics Release Inventory (TRI) Program tracks the industrial management of toxic chemicals. TRI data are reported annually by industrial and federal facilities that meet reporting requirements. EPA makes these data available through multiple online tools, many of which add context to help make the reported data more understandable.

About the TRI Program
  • What is the TRI Program?
    • TRI Program Mission and Goals
    •  TRI Photo Storybook
  • TRI Informational Materials
  • Timeline of TRI Program Milestones
  • Basics of TRI Reporting
  • TRI Data Quality
  • Laws and Regulatory Activities
  • International TRI

Events

  • 2023 TRI National Conference
  • 2022 Virtual TRI Conference
  • TRI 35th Anniversary
  • Archive of Past TRI Webinars
TRI Data and Tools

Accessing TRI Data

  • TRI Data and Tools
    • Current Status and Planned Updates of TRI Tools
    • Guides and Tutorials for TRI Tools
  • Basic Data Files: 1987-Present
  • Basic Plus Data Files: 1987-Present
  • Dioxin /TEQ Data Files: 2008-Present
  • TRI Preliminary Dataset
  • TRI National Analysis
    • Previous Years' TRI National Analysis Reports

Understanding TRI Data

  • Factors to Consider When Using TRI
  • Common TRI Terms Explained
  • Look Inside of a TRI Facility
  • Explore a Metal Mine that Reports to the TRI
  • TRI and Estimating Potential Risk
Pollution Prevention
  • TRI and Pollution Prevention
  • Guide to Using TRI Data to Reduce Pollution in Your Community
  • P2 Analyses and Publications from the TRI Program
    • P2 Spotlights on Industry Sectors and Chemicals
    • P2 Opportunities in the Food Manufacturing Sector
    • P2 Opportunities in the Auto Sector
    • P2 Opportunities in the Aerospace Sector
    • Measuring the Impact of Source Reduction
  • Resources for TRI P2 Reporting and Doing P2 Analyses
    • Source Reduction Reporting
    • Reporting on Green Chemistry and Green Engineering Activities
    • Solvent Substitutions Reported to TRI
TRI in Action
  • TRI Data in Action
    • TRI for Communities
    • TRI for Tribes
    • TRI for Researchers
    • TRI for the Press
    • TRI for Advocacy Organizations
    • TRI for Government
    • TRI for Industry
  • Catalog of Applied TRI Data Uses
  • How Are You Using the TRI?
  • What You Can Do
Reporting to TRI for Facilities
  • Reporting to TRI for Facilities
    • Covered Industry Sectors
    • Covered Chemicals
    • Electronic Submission of TRI Reporting Forms
    • TRI GuideME
    • TRI Data Exchange (TDX)
    • Threshold Screening Tool
  • TRI Compliance and Enforcement
Contact TRI
  • TRI Program Contacts
    • TRI Regulatory Support
    • Central Data Exchange (CDX)
    • EPA Regional TRI Coordinators
    • State TRI Coordinators
    • TRI Tribal Contacts
    • TRI Webmaster
    • TRI Program, EPA Headquarters
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on April 2, 2025
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