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Toxics Release Inventory (TRI) Program

Guides and Tutorials for TRI Tools

Wondering how to get started with the online TRI tools and applications? These resources will help you learn the basics.

Mobile Application


Access and Analysis Tools

collage showing calculator buttons, ruler, graphs, etc.

TRI Explorer

Pollution Prevention (P2) Search Tool

Other Envirofacts Search Tools


  • TRI.NET Quick Start: Learn how to build a basic query.
  • User's Guide: Find detailed instructions on how to use the various TRI.NET features.
  • Tutorial: See sample analyses and step-by-step instructions for completing them.