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Environment and Ecology

Environmental Challenges

What is the Toxic Release Inventory?

Toxic Release Inventory (TRI) is a government-mandated, publicly available compilation of information on the release of over 650 individual toxic chemicals and toxic chemical categories by manufacturing facilities in the United States. The law requires manufacturers to state the amounts of chemicals they release directly to air, land, or water, or state that they transfer to offsite facilities that treat or dispose of wastes. The U.S. Environmental Protection Agency compiles these reports into an annual inventory and makes the information available in a computerized database.



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