EPA Releases 2013 Toxics Release Inventory National Analysis

"From 2012 to 2013, the amount of toxic chemicals managed as waste by the nation's industrial facilities increased by 4 percent. This increase includes the amount of chemicals recycled, treated, and burned for energy recovery, as well as the amount disposed of or otherwise released into the environment. In TRI, a "release" generally refers to a chemical that is emitted to the air, water, or placed in some type of land disposal. Most of these releases are subject to a variety of regulatory requirements designed to limit human and environmental harm..."
Toxics relese inventory

Toxics Release Inventory, 2011

"TRI is a database containing data on disposal or other releases of over 600 toxic chemicals from thousands of U.S. facilities and information about how facilities manage those chemicals through recycling, energy recovery, and treatment. One of TRI's primary purposes is to inform communities about toxic chemical releases to the environment..."