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Query Form

Search the TRI Database

The Toxic Releases Query Form allows you to retrieve data from the Toxics Release Inventory (TRI) database in Envirofacts. Your query returns facility information and chemical reports, which tabulate air emissions, surface water discharges, releases to land, underground injections, and transfers to off-site locations. Narrow your search by selecting from options including facility name, geographic location, standard industrial classification, and chemical names.

User's Guide

Facility Selection

Geography Search
Enter a partial value for any geography option except for the state value. For city and county, you must enter the state value. We strongly recommend that you enter a small geographical area to begin the search since Envirofacts contains a large number of facilities.


Standard Industrial Classification (SIC) Search
Enter the Standard Industrial Classification. If both SIC Code and SIC Code Description are entered, only SIC Code will be used in the search.

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Look up SIC Code



North American Industry Classification System (NAICS) Search
Enter the North American Industry Classification. If both NAICS Code and NAICS Code Description are entered, only NAICS Code will be used in the search.

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Look up NAICS Code



Chemical Name Search
Enter the chemical name or lookup the appropriate CAS number by clicking on the "Lookup CAS Number" button. If both Chemical Name and CAS number are entered, only CAS Number will be used in the search.


Look up CAS Number

Search Values




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