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EPA/AR

RIN: 2060-AP27

Publication ID: Fall 2008

Title: ●Air Quality Designations and Classifications for the 24-Hour Fine Particles (PM2.5) National Ambient Air Quality Standards
Abstract: This rule establishes final air quality designations for the 2006 24-hour PM2.5 National Ambient Air Quality Standards (NAAQS), which encompasses all areas of the United States as required by section 107 of the Clean Air Act (CAA). The air quality status of an area is represented by its classification. An area designated as attainment/unclassifiable means that the area has sufficient data to determine that the area is meeting the 24-hour PM2.5 NAAQS, or that, due to no data being available, EPA cannot make a determination for the area. An area designation of nonattainment means that the area is in violation of, or contributing to a violation of, the 24-hr PM2.5 NAAQS. States and Tribes made their designation recommendations to EPA in December 2007. EPA reviewed these designation recommendations and will make modifications as deemed appropriate. EPA is required by the CAA to notify States and Tribes of any modifications that they intend to make to their recommendations no later than 120 days prior to promulgation of the designations. Consistent with the CAA requirements, EPA expects to issue final 24-hour PM2.5 designations no later than December 18, 2008, with an effective date 90 days after Federal Register publication.
Agency: Environmental Protection Agency(EPA)	Priority: Other Significant
RIN Status: First time published in the Unified Agenda	Agenda Stage of Rulemaking: Final Rule Stage
Major: No	Unfunded Mandates: No
CFR Citation: Not Yet Determined (To search for a specific CFR, visit the Code of Federal Regulations.)
Legal Authority: Not Yet Determined

Legal Deadline:

Action	Source	Description	Date
Final	Statutory	CAA sec 107 establishes the date for the final rule.	12/18/2008

Timetable:

Action	Date	FR Cite
Final Action	01/00/2009

Additional Information: SAN No. 5282; Regional Offices play a significant role in the designations process; EPA Docket information: EPA-HQ-OAR-2007-0562
Regulatory Flexibility Analysis Required: No	Government Levels Affected: None
Small Entities Affected: No	Federalism: No
Included in the Regulatory Plan: No
RIN Data Printed in the FR: No
Agency Contact: Amy Vasu Environmental Protection Agency Air and Radiation D205-01, Research Triangle Park, NC 27711 Phone:919 541-0107 Fax:919 541-0824 Email: vasu.amy@epa.gov Patrick Lessard Environmental Protection Agency Air and Radiation C539-01, Research Triangle Park, NC 27711 Phone:919 541-5383 Fax:919 541-4028 Email: lessard.patrick@epa.gov