Frequent Questions

What is TRI-MEweb?

The Electronic Reporting Rule requires facilities to submit, revise, and withdraw non-trade secret TRI forms electronically via TRI-MEweb, a web-based reporting application for electronic filing of TRI Form R and Form A Certification Statement reports.  The TRI-MEweb application is hosted in EPA's Central Data Exchange (CDX) system.  Users must access, create, and load facility accounts in TRI-MEweb to begin reporting. TRI reporting requires two user roles to be created in CDX: a preparer role and a certifying official role.  Preparers and certifying officials must register for the application at

To learn more about TRI-MEweb, please visit


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