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TRI Model

TRI BannerTRI iconThis information is provided for technical experts who intend to work directly with the database. Other users can retrieve information using the TRI Search.

The TRI_FORM_R table is composed of columns from tables shown in the following the TRI model. The TRI_FORM_R table can be accessed through and is used by the TRI Customized Search, the TRI EZ Search, and the TRI Form R Search.

The TRI tables in Envirofacts are organized into the subject areas shown below. Click on a subject area to view the tables. 

TRI ModelReferences ModelReferences ModelSource Reduction and Recycling Activities ModelOnsite Treatment, Energy Recovery, and Recycling Methods ModelTransfer of Wastes to Off-Site Locations ModelReleases to Environmental Media ModelReported Chemical Information ModelFacilities Identification Model