TRI Basic Plus Data Files: Calendar Years 1987-Present
Update Status
- Includes reporting forms processed as of: July 9, 2025
EPA has been collecting Toxics Release Inventory (TRI) data since 1987. The "Basic Plus" data files contain all of the data fields from the TRI Reporting Form R and Form A.
On this page:
File Types and Contents
Each .zip file in the table below contains these 10 tab-delimited .txt files:
- 1A: On-site chemical releases, maximum amount on site, off-site transfers, details of on-site recycling and energy recovery
- 1B: Chemical activities and uses
- 2A: On-site waste management totals, one-time releases, source reduction activities and methods
- 2B: Details of on-site waste treatment, including methods and efficiency estimates
- 3A: Details of off-site transfers to other locations for further waste management and disposal
- 3B: Transfers of chemicals to Publicly Owned Treatment Works (POTWs) (RY 1987 - RY 2010)
- 3C: Transfers of chemicals to Publicly Owned Treatment Works (POTWs) (RY 2011 - Present)
- 4: Detailed facility information, including original and current name and parent company
- 5: Optional information on source reduction, recycling, and pollution control (RY 2005 - Present)
- 6: Additional miscellaneous and optional information (RY 2010 - 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.