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Introduction

Purpose

What is the TRI Explorer?

The TRI Explorer provides access to the Toxics Release Inventory (TRI) data to help communities identify facilities and chemical disposal or other release patterns that warrant further study and analysis. Combined with hazard and exposure information, the TRI Explorer can be a valuable tool for risk identification.

Reporting year (RY) 2008 is the most recent TRI data available. Facilities reporting to TRI were required to submit RY 2008 data to EPA by July 1, 2009. TRI Explorer is using a "frozen" data set based on submissions as of September 17, 2009 and released to the public in December 2009 for the years 1988 to 2008 (i.e., revisions submitted to EPA after this time are not reflected in TRI Explorer reports). TRI data may also be obtained through EPA Envirofacts.

For more information on generating TRI Explorer reports, see the TRI Explorer Background page. For more information on the TRI program see http://www.epa.gov/tri/index.htm. Throughout the year, EPA receives revisions and withdrawals submitted by facilities.

What are the limitations of TRI Data?

TRI data do have certain limitations. TRI data reflect disposal or other releases and other waste management of chemicals, and not exposures of the public to those chemicals. TRI data alone are not sufficient to determine exposure or to calculate potential adverse effects on human health and the environment. TRI data, in conjunction with other information, can be used as a starting point in evaluating exposures that may result from disposal or other release and other waste management activities which involve toxic chemicals.

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