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Toxics Release Inventory (TRI) Program

Pollution Prevention (P2) and TRI

Infographic with various facts about the effectiveness of industrial source reduction practices.Learn about source reduction impactsUnder the Pollution Prevention Act of 1990 (PPA), the Toxics Release Inventory (TRI) Program collects information to track industry progress in reducing waste generation and moving towards safer waste management alternatives. Many facilities provide descriptions of measures they have taken to prevent pollution and reduce the amount of toxic chemicals entering the environment. As a result, TRI serves as a tool for identifying effective environmental practices and highlighting pollution prevention successes.

Access TRI's P2 Data

Learn About TRI P2 Resources

Source Reduction Activities Reported to TRI

For 2017, a total of 1,581 facilities (7% of all TRI facilities) reported initiating 3,994 new source reduction activities. Good operating practices, process modifications, and spill and leak prevention were the activities reported most frequently. Click on the legend or graph to see examples of source reduction activities; reported codes are included in parentheses.


See more on source reduction activities reported to TRI in the TRI National Analysis