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ERMS - Cleaner Air, Reduced Cost

Emissions Reduction Market System

What Is ERMS?

Note: In November 2014, updates were made to the Online Transaction Requests application. If this is your first visit since then, please read the troubleshooting page before using the ERMS Online Transaction Requests application, or if you are encountering problems using it.

The ERMS is a "cap and trade" market system in which participating sources must hold "trading units" for their actual VOM emissions.  Each year, starting with the 2000 ozone season, participating sources will be issued trading units based on the initial allotment set during issuance of the sources' Clean Air Act Permit Program (CAAPP) permit. For more detailed information, see the ERMS Overview page.

The News & Items Section has been updated as of May 21, 2014

Download the ERMS rule at the Illinois Pollution Control Board's website: Word version or PDF version.

Having trouble with ERMS? ERMS troubleshooting assistance is available.

Please check the News & Items of Interest page for the latest updates and information on the ERMS program.

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