Section 313, commonly referred to as the Toxic Chemical Release Inventory or TRI, requires certain facilities to annually report toxic chemical releases and waste management activities to the EPA and the state by July 1. Facilities also must report information on source reduction, recycling, and treatment under the Pollution Prevention Act of 1990. The TRI reporting requirement applies to facilities that have 10 or more full-time employees (or the equivalent), that manufacture (including import), process, or otherwise use a listed toxic chemical above threshold quantities, and that are in certain industry sectors. These sectors include manufacturing, metal mining, coal mining, electric utilities, hazardous waste treatment and disposal facilities, chemical distributors, petroleum bulk plants, solvent recovery services, and federal facilities. A complete list of covered facilities is available online: One purpose of this reporting requirement is to inform the public and communities surrounding covered facilities about toxic chemicals at individual facilities, their uses, and releases into the environment. The data can also be used to:

  • Identify sources of toxic chemical releases;
  • Help analyze potential toxic chemical hazards to human health and the environment; and
  • Encourage pollution prevention at facilities.

The following information is required on the reporting form:

  • The name, location and type of business;
  • Whether the chemical is manufactured (including imported), processed or otherwise used and the general categories of use of the chemical;
  • An estimate of the maximum amount of the toxic chemical present at the facility at any one time during the preceding year;
  • Quantity of the chemical entering the air, land, and water during the preceding year;
  • Off-site locations to which the facility transfers toxic chemicals in waste for recycling, energy recovery, treatment or disposal, and the amount transferred;
  • Waste treatment methods and efficiency of methods for each waste stream.

The EPA maintains the TRI information in a national database that is available to the public on the Internet.