Section 313 - Toxics Release Inventory Reporting

A Toxics Release Inventory (TRI) report must be filed if your business meets ALL of the following criteria during a calendar year:

TRI Reporting Thresholds

The quantities that most often trigger TRI reporting are:

Please note: Certain Persistent Bioaccumulative Toxic (PBT) Chemicals have lower reporting thresholds. There are 16 PBT chemicals and 4 PBT chemical compound categories subject to TRI reporting. The thresholds are:

Reporting thresholds for PBT Chemicals are also available at EPA’s website.

For more information on Washington state data or assistance with EPCRA reporting, contact:
TRI Coordinator Diane Fowler at 360-407-6171.