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EPA/AR | RIN: 2060-AP38 | Publication ID: Spring 2015 |
Title: Review of the National Ambient Air Quality Standards for Ozone | |
Abstract:
Under the Clean Air Act, the Environmental Protection Agency (EPA) is required to review and, if appropriate, revise the air quality criteria for the primary (health-based) and secondary (welfare-based) national ambient air quality standards (NAAQS) every five years. On March 23, 2008, the EPA published a final rule to revise the primary and secondary NAAQS for ozone to provide increased protection of public health and welfare. With regard to the primary standard for ozone, the EPA revised the level of the eight-hour ozone standard to 0.075 ppm. With regard to the secondary ozone standard, the EPA made it identical in all respects to the primary ozone standard, as revised. The D.C. Circuit upheld the primary standard, but remanded the secondary standard to the EPA. The EPA initiated the current review in October 2008 with a workshop to discuss key policy-relevant issues around which the EPA would structure the review. This review includes the preparation of an Integrated Science Assessment, Risk/Exposure Assessment, and a Policy Assessment Document by the EPA, with opportunities for review by EPA's Clean Air Scientific Advisory Committee and the public. |
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Agency: Environmental Protection Agency(EPA) | Priority: Economically Significant |
RIN Status: Previously published in the Unified Agenda | Agenda Stage of Rulemaking: Final Rule Stage |
Major: Yes | Unfunded Mandates: No |
CFR Citation: 40 CFR 50 | |
Legal Authority: 42 U.S.C. 7401 et seq. Clean Air Act |
Legal Deadline:
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Overall Description of Deadline: Must be proposed by December 1 |
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Timetable:
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Additional Information: Docket #:EPA-HQ-OAR-2008-0699 | |
Regulatory Flexibility Analysis Required: No | Government Levels Affected: Federal, Local, State, Tribal |
Small Entities Affected: No | Federalism: No |
Included in the Regulatory Plan: No | |
RIN Information URL: http://www.epa.gov/ozone/ | |
RIN Data Printed in the FR: No | |
Agency Contact: Susan Stone Environmental Protection Agency Air and Radiation C504-06, Research Triangle Park, NC 27711 Phone:919 541-1146 Fax:919 541-0237 Email: stone.susan@epa.gov Karen Wesson Environmental Protection Agency Air and Radiation 109 T.W. Alexander Drive, Mail Code C504-06, Research Triangle Park, NC 27711 Phone:919 541-3515 Email: wesson.karen@epa.gov |