In 1986 the U.S. Congress passed a federal law called the Emergency Planning and Community Right-to-Know Act (EPCRA), which gives the public the right to know about industrial toxic chemicals that are released into the environment. At present this law, which is also known as Title III of the Superfund Amendment and Reauthorization Act, requires businesses in certain industries that manufacture, process, or otherwise use any chemical from a list of 651 designated chemicals or chemical groups in amounts greater than a certain threshold to report annually to the U.S. Environmental Protection Agency (EPA) on their releases of these chemicals. The EPA maintains this information in a database called the Toxics Release Inventory (TRI), which is available to the public over the Internet.

Tri Reporting Requirements

A plant, factory, or other facility must report chemical releases if it has ten or more full-time employees...