Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Air Actions, Arizona
You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Adobe Reader.
Particulate Matter Actions in Hayden, AZ
January 2011: Determinations of Attainment by the Applicable Attainment Date: Hayden, Nogales, Paul Spur/Douglas PM10 Nonattainment Areas
EPA has signed a final rule determining, based on quality-assured, certified ambient monitoring data, that the Hayden area in Arizona attained the 1987 primary National Ambient Air Quality Standards (NAAQS) for particulate matter (PM-10) as of the applicable attainment date of December 31, 1994. The Act and our regulations require three years of quality-assured, certified ambient air quality data to make this finding.
Wienke Tax (email@example.com)
Office of Air Planning, EPA Region 9