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  1. TRI- Definition & Meaning - Merriam-Webster

    The meaning of TRI- is three : having three elements or parts. How to use tri- in a sentence.

  2. Toxics Release Inventory (TRI) Program | US EPA

    Dec 9, 2025 · The Toxics Release Inventory (TRI) is a resource for learning about toxic chemical releases and pollution prevention activities reported by industrial and federal facilities.

  3. What Is TRI Reporting and Who Is Required to Report?

    Aug 6, 2025 · The Toxics Release Inventory (TRI) is a publicly available database containing information on toxic chemical releases and other waste management activities in the United …

  4. TRI- definition and meaning | Collins English Dictionary

    tri- in American English combining form a combining form meaning “three,” used in the formation of compound words triacid

  5. TRI- | English meaning - Cambridge Dictionary

    Get a quick, free translation! TRI- definition: 1. three: 2. three: . Learn more.

  6. Reporting for TRI Facilities - US EPA

    Oct 1, 2025 · Each year, certain industrial facilities submit Toxics Release Inventory (TRI) data to EPA. The data are due by July 1 and cover waste management activities that occurred during …

  7. TRI Site Map - US EPA

    Oct 1, 2025 · 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 …

  8. TRI- | definition in the Cambridge English Dictionary

    Get a quick, free translation! TRI- meaning: 1. three: 2. three: . Learn more.

  9. TRI Toolbox | US EPA

    Nov 18, 2025 · 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 …

  10. TRI-Listed Chemicals - US EPA

    Nov 21, 2025 · EPA has classified some TRI chemicals and chemical categories as “chemicals of special concern.” These include Persistent Bioaccumulative Toxic (PBT) chemicals and per- …