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  2. Toxics Release Inventory (TRI) Program

TRI Basic Plus Data Files: Calendar Years 1987- Present

Update Status
  • Includes reporting forms processed as of: October 23, 2024

EPA has been collecting Toxics Release Inventory (TRI) data since 1987. The "Basic Plus" data files include ten file types that collectively contain all of the data fields from the TRI Reporting Form R and Form A. The files themselves are in tab-delimited .txt format and then compressed into a .zip file.



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File Types and Contents

  • 1a: Facility, chemical, releases and other waste management summary information
  • 1b: Chemical activities and uses
  • 2a: On- and off-site disposal, treatment, energy recovery, and recycling information; non-production-related waste managed quantities; production/activity ratio information; and source reduction activities
  • 2b: Detailed on-site waste treatment methods and efficiency
  • 3a: Transfers off site for disposal and further waste management
  • 3b: Transfers to Publicly Owned Treatment Works (POTWs) (RY1987 - RY2010)
  • 3c: Transfers to Publicly Owned Treatment Works (POTWs) (RY2011 - Present)
  • 4: Facility information
  • 5: Optional information on source reduction, recycling and pollution control (RY2005 - Present)
  • 6: Additional miscellaneous and optional information (RY2010 - Present)

File Documentation and Help

  • Guides for the TRI Basic Plus Files: Descriptions of data elements and other details about the contents and use of the Basic Plus files.
  • TRI Reporting Instructions: Detailed explanations of each section of the reporting form.

Important Notes

  • Quantities of dioxin and dioxin-like compounds are reported in grams, while all other chemicals are reported in pounds.
  • This webpage contains the most recent versions of all TRI data files; facilities may revise previous years' TRI submissions if necessary, and any such changes will be reflected in these files. For this reason, data contained in these files may differ from data used to construct the TRI National Analysis.

Toxics Release Inventory (TRI) Program

  • What is TRI?
    • Covered Chemicals
    • Covered Industry Sectors
    • Data Quality
  • Reporting for Facilities
    • Guidance (GuideME)
    • Reporting Software (TRI-MEweb)
    • Laws & Regulatory Activities
    • Enforcement
  • TRI Data & Tools
  • Pollution Prevention
    • Guide to Using TRI Data to Reduce Pollution in Your Community
    • P2 Analyses
    • P2 Resources
  • TRI Data in Action
    • Data Uses Catalog
    • TRI for Communities
    • TRI for Advocacy Organizations
    • TRI for Researchers
    • TRI for the Press
    • TRI for Industry
    • TRI for Government
    • TRI for Tribes
    • What You Can Do
  • TRI Site Map
TRI Program Contacts
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on October 30, 2024
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