Contact EPA Pacific Southwest Air Program
Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, 147 Tribes
Air Actions, Arizona
Particulate Matter in Nogales, AZ
EPA has signed a final rule determining, based on quality-assured, certified ambient monitoring data, that the Nogales 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.
Related Documents
Contact Information
Wienke Tax (tax.wienke@epa.gov)
Office of Air Planning, EPA Region 9
(415) 947-4192
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