TRI Basic Plus Data Files Guides
These documents describe field-by-field contents of the 10 files which collectively contain all of the data reported on the TRI Reporting Form R and Form A Certification Statement.
Last Updated: September 2024
Guide to File Type 1A: Chemical Releases and Other Waste Management (pdf)
Guide to File Type 1B: Chemical Activities and Uses (pdf)
Guide to File Type 2A: Source Reduction and Other Section 8 Data (pdf)
Guide to File Type 2B: On-Site Waste Treatment (pdf)
Guide to File Type 3A: Off-Site Transfers (pdf)
Guide to File Type 3B: Transfers to POTWs (1987-2010) (pdf)
Guide to File Type 3C: Transfers to POTWs (2011 and later) (pdf)
Guide to File Type 4: Historical Facility Information (pdf)
Guide to File Type 5: Additional Information from Section 8.11 (pdf)
Guide to File Type 6: Additional/Misc. Information from Section 9.1 (pdf)