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| EPA/AR | RIN: 2060-AQ30 | Publication ID: Fall 2010 |
| Title: ●Remaining Air Quality Designations for the 2006 24-Hour Fine Particle National Ambient Air Quality Standards | |
| Abstract: On November 13, 2009, EPA designated 31 areas across the country as nonattainment for the 24-hour PM2.5 NAAQS. These air quality designations were based on 2005-2007 data and analyses, with EPA taking into consideration 2006-2008 air quality monitoring data. EPA’s evaluation of 2006-2008 air quality monitoring data indicated that monitors in three areas which had not violated the 2006 24-hour PM2.5 NAAQS based on 2005-2007 data were now violating the standards based on 2006-2008 data. These monitors are located in Pinal County, AZ (2006-2008 24-hour design value of 48); Plumas County, CA (2006-2008 24-hour design value of 49); and, Shasta County, CA (2006-2008 24-hour design value of 48). For the three newly violating areas, EPA did not finalize initial designations. Because these areas are newly violating the 2006 24-hour PM2.5 NAAQS, EPA and the states and tribes in these areas needed further information in order to determine the appropriate nonattainment area boundaries for these areas, in accordance with the process that EPA has used for other nonattainment area designations, per section 107(d). In this final action, EPA will complete air quality designations for these three areas, and by doing so, for the 2006 24-hour PM2.5 NAAQS. | |
| Agency: Environmental Protection Agency(EPA) | Priority: Substantive, Nonsignificant |
| RIN Status: First time published in the Unified Agenda | Agenda Stage of Rulemaking: Final Rule Stage |
| Major: No | Unfunded Mandates: No |
| CFR Citation: 40 CFR 81 | |
| Legal Authority: sec 107(d) of the CAA | |
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Legal Deadline:
None |
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Timetable:
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| Additional Information: Split from RIN 2060-AP27. 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 | |
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Agency Contact: Elizabeth Palma Environmental Protection Agency Air and Radiation C539-01, RTP, NC 27711 Phone:919-541-5432 Fax:919-541-3470 Email: Palma.Elizabeth@epamail.epa.gov Carla Oldham Environmental Protection Agency Air and Radiation C539-04, Research Triangle Park, NC 27711 Phone:919 541-3347 Fax:919 541-0824 Email: oldham.carla@epamail.epa.gov |
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