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FR Air Documents
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Approval and Promulgation of Implementation Plans for Arizona; Maricopa County PM-10 Nonattainment Area; Serious Area Plan for Attainment of the 24-Hour and Annual PM-10 Standards | PDF Version (73K, About PDF)
- Delegation of National Emission Standards for Hazardous Air Pollutants for Source Categories; State of Arizona, Arizona Department of Environmental Quality, Pima County Department of Environmental Quality | PDF Version (52K, About PDF)
- Delegation of National Emission Standards for Hazardous Air Pollutants for Source Categories; State of Arizona, Arizona Department of Environmental Quality, Pima County Department of Environmental Quality | PDF Version (73K, About PDF)
- Meeting of the Mobile Sources Technical Review Subcommittee
- Agency Information Collection Activities; Proposed Collection; Comment Request; Risk Management Program Requirements and Petitions To Modify the List of Regulated Substances Under Section 112(r) of the Clean Air Act (CAA).; EPA ICR No. 1656.13; OMB Control No. 2050-0144 | PDF Version (59K, About PDF)