On Monday, March 25, 2019, the public comment period begins on the addendum to an Exceptional Event in the Maricopa County (Greater Phoenix) O3 nonattainment area. The comment period ends April 23, 2019.
Comments may be submitted as follows:
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Mail: (Must be postmarked or received by April 23, 2019)
Air Assessment Section
1110 W. Washington Street, 3415A-1
Phoenix, AZ 85007