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EPA/OAR | RIN: 2060-AU40 | Publication ID: Fall 2019 |
Title: Review of the Primary National Ambient Air Quality Standards for Ozone | |
Abstract:
Under the Clean Air Act Amendments of 1977, 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 5 years. On October 26, 2015, EPA published a final rule revising the NAAQS for ozone to provide increased protection for public health and welfare. The current review includes the preparation by EPA of an Integrated Review Plan, an Integrated Science Assessment, and, if warranted, a Risk/Exposure Assessment, which includes a risk/exposure assessment and also a Policy Assessment by EPA, with opportunities for review by EPA's Clean Air Scientific Advisory Committee and the public. These documents inform the Administrator's proposed decision as to whether to retain or revise the current standards. This decision will be published in the Federal Register with opportunity provided for public comment. The Administrator's final decisions will take into consideration these documents, CASAC advice, and public comment on the proposed decision. |
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Agency: Environmental Protection Agency(EPA) | Priority: Other Significant |
RIN Status: Previously published in the Unified Agenda | Agenda Stage of Rulemaking: Proposed Rule Stage |
Major: Undetermined | Unfunded Mandates: No |
EO 13771 Designation: Other | |
CFR Citation: 40 CFR 50 | |
Legal Authority: 42 U.S.C. 7401 et seq. |
Legal Deadline:
None |
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Statement of Need: Under the Clean Air Act Amendments of 1977, EPA is required to review and if appropriate revise the air quality criteria and national ambient air quality standards (NAAQS) every 5 years. On October 26, 2015, EPA published a final rule revising the NAAQS for ozone to provide increased protection for public health and welfare. |
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Summary of the Legal Basis: Under the Clean Air Act Amendments of 1977, EPA is required to review and if appropriate revise the air quality criteria and the primary (health-based) national ambient air quality standards (NAAQS) every 5 years. |
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Alternatives: The main alternative for the Administrator’s decision on the review of the national ambient air quality standards for ozone is whether to retain or revise the existing standards. |
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Anticipated Costs and Benefits: The Clean Air Act makes clear that the economic and technical feasibility of attaining standards are not to be considered in setting or revising the NAAQS, although such factors may be considered in the development of State plans to implement the standards. Accordingly, when the Agency proposes revisions to the standards, the Agency prepares a Regulatory Impact Analysis (RIA) to provide the public with illustrative estimates of the potential costs and health and welfare benefits of attaining the revised standards. |
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Risks: The current review will include the preparation by EPA of an Integrated Review Plan, an Integrated Science Assessment, and also a Policy Assessment, which includes a risk/exposure assessment, with opportunities for review by the EPA's Clean Air Scientific Advisory Committee (CASAC) and the public. These documents will inform the Administrator's proposed decision as to whether to retain or revise the current standards. This proposed decision will be published in the Federal Register with opportunity provided for public comment. The Administrator's final decisions will take into consideration these documents, CASAC advice, and public comment on the proposed decision. |
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Timetable:
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Regulatory Flexibility Analysis Required: Undetermined | Government Levels Affected: Undetermined |
Federalism: Undetermined | |
Included in the Regulatory Plan: Yes | |
RIN Information URL: https://www.epa.gov/naaqs/ozone-o3-air-quality-standards | |
RIN Data Printed in the FR: No | |
Agency Contact: Deirdre Murphy Environmental Protection Agency Office of Air and Radiation C539-02, Research Triangle Park, NC 27709 Phone:919 541-0729 Fax:919 541-0840 Email: murphy.deirdre@epa.gov Karen Wesson Environmental Protection Agency Office of 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 |