These pages describe EPA's style guide for its web site.

Nov 5, 2025 · TRI, or Toxic Release Inventory Reporting, falls under the federal Emergency Planning and Community Right-to-Know Act (EPCRA), and it's all about what chemicals (and how much of …

Jan 10, 2020 · Toxic Release Inventory Reporting (TRI) comprehensive article on TRI best practices, how to do TRI reporting, and in-depth information on EPA compliance.

Jun 20, 2025 · You need to submit a Form R or Form A TRI report for all TRI-listed chemicals that are manufactured, processed, or otherwise used on your site and estimate any releases, even if you had …

tri-cities, TN tucson, AZ tulsa, OK tuscaloosa tuscarawas co twin falls, ID twin tiers NY/PA tyler / east TX upper peninsula, MI utica-rome-oneida valdosta, GA ventura county vermont victoria, TX visalia …

Dec 24, 2025 · tri- (chemistry) Used in combination with a known element name (e.g. 'tri-silicon', 'tri-lead') to designate an unknown element that would reside three periods lower than the known …

Dec 9, 2025 · The Toxics Release Inventory (TRI) is a resource for learning about toxic chemical releases and pollution prevention activities reported by industrial and federal facilities.

Nov 21, 2025 · EPA has classified some TRI chemicals and chemical categories as “chemicals of special concern.” These include Persistent Bioaccumulative Toxic (PBT) chemicals and per- and …

Nov 18, 2025 · The Toxics Release Inventory (TRI) Program tracks the industrial management of toxic chemicals. TRI data are reported annually by industrial and federal facilities that meet reporting …

Oct 1, 2025 · An overview of the Toxics Release Inventory (TRI) Program, which tracks industrial management of certain toxic chemicals and makes the information publicly available to support …