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Related Material
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
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Clean Air Act Reclassification; Arizona-Phoenix Nonattainment Area; PM
10 - National Ambient Air Quality Standards for Particulate Matter; Final Rule
- Approval and Promulgation of Implementation Plans; Phoenix, Arizona Ozone Nonattainment Area, 15 Percent Rate of Progress Plan and 1990 Base Year Emission Inventory
- Promulgation of Federal Implementation Plan for Arizona; Phoenix PM-10 Moderate Area; Disapproval of State Implementation Plan for Arizona; Phoenix PM-10 Moderate Area; Final Rule
- Promulgation of Federal Implementation Plan for Arizona-Phoenix Moderate Area PM-10; Disapproval of State Implementation Plan for Arizona--Phoenix Moderate Area PM-10; Proposed Rule