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About the
Air Quality Division


An EPA-approved State Implementation Plan (SIP) provides strategies and procedures for the daily operations of AQD. This SIP is reviewed and amended as necessary. It includes rules and strategies developed at the state level for implementing the various federal air quality programs. DEQ has acquired delegation of most EPA air quality programs that are available.

For more information about the AQD, choose from the links to the right.

Last Updated: September 3, 2015



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