Learn how the Toxics Release Inventory (TRI) Program originated and how it has expanded over the years. For more information about these events, see TRI Program Timeline (PDF)

January 2015

• EPA Debuts New Interactive Web-Based TRI National Analysis Format 

August 2013

• Final Rule Requires Facilities to Submit TRI Forms Electronically via TRI-MEweb

The "myRTK" application debuted in 2010 as EPA's first TRI mobile app.

January 2013

• EPA Launches TRI Pollution Prevention (P2) Search Tool

April 2012

• EPA Finalizes Rule to Increase Tribal Participation in the TRI Program

October 2011

• EPA Celebrates 25th Anniversary of Emergency Planning and Community Right-to-Know Act

November 2010

• Final Rule Adds 16 National Toxicology Program Chemicals to TRI

July 28, 2010

• Earliest-Ever Availability of TRI Data

June 2010

• First TRI Mobile Application, "myRTK", Launches

December 2009

The 2008 TRI National Analysis report was the earliest-ever publication of EPA's analysis of the most recent TRI data.

• EPA Publishes Earliest TRI National Analysis Report

June 2009

• TRI.NET Application Debuts

April 2009

• 2009 Omnibus Appropriations Act Restores TRI Reporting Requirements

August 2008

• EPA Begins Providing TRI Preliminary Dataset

January 2008

• TRI-MEweb Application Available to All Facilities

May 2007

• EPA Finalizes TRI Dioxin Toxic Equivalency Rule

December 2006

• EPA Finalizes TRI Burden Reduction Rule

January 2001

• Final Rule Designates Lead and Lead Compounds as PBT Chemicals

October 1999

• Final Rule Adds PBT Chemicals to TRI

July 1998

• TRI Explorer Application Debuts

Image of chemical storage tanks with an industrial facility in the background

May 1997

• Final Rule Adds Seven Industry Sectors to TRI

November 1994

• Final Rule Adds Over 200 Chemicals to TRI

August 1993

• Executive Order 12856 Adds Federal Facilities to TRI

Fall 1991

• EPA Considers Three-Phase Approach to Broadening Scope of TRI

November 1990

• Pollution Prevention Act Expands TRI Program

June 1989

• EPA Publishes First National TRI Report for Reporting Year 1987

July 1, 1988

• First TRI Reporting Deadline for Reporting Year 1987 Data

October 1986

A sign at a memorial for victims of the 1984 toxic chemical disaster in Bhopal, India. The Bhopal event contributed to the creation of the TRI Program.

• Passage of Emergency Planning and
  Community Right-to-Know Act

August 1985

• Toxic Chemical Leak in Institute, West Virginia

December 1984

• Toxic Chemical Disaster in Bhopal, India