EPA publishes the Proposed Rule for approval of the Ozone Action Plan and State Implementation Plan for the Metropolitan Denver/North Front Range Area in the Federal Register.
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Comments to EPA on new Ozone Standard
Comments on EPA’s Proposed National Ambient Air Quality Standards for 8-Hour Ozone:
State of Colorado – March 22, 2010
National Association of Clean Air Agencies (NACAA) – March 22, 2010
Western States Air Resource Council (WESTAR) – March 26, 2010