Frequent Questions

Have programs similar to TRI been developed internationally?  

EPA's Toxics Release Inventory (TRI) is one of several similar programs established, or being established, by countries around the world.  The term used internationally for these TRI-like systems is Pollutant Release and Transfer Register (PRTR).  The United States works with other countries and international organizations to facilitate PRTR development.  More information on pollutant transfer registries outside the United States can be found at

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