TRI Preliminary Dataset
The Toxics Release Inventory (TRI) preliminary dataset is available every July through October. Use the TRI Toolbox to get the most current TRI data (for calendar year 2023).
This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »