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EPA in Illinois

Air Standards Delegations in Illinois

Federal air regulations have been delegated to state or local air pollution control agencies in Illinois. These air regulations establish nation-wide requirements for a wide range of commercial and industrial activity, and include, but are not limited to, new source performance standards (NSPS), national emission standards for hazardous air pollutants (NESHAPs), and maximum achievable control technology (MACT) standards.

Delegations by Standard
Select a particular standard and see if it has been delegated.
For additional help or information on air standard delegations.