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EPARulemakingEPA-HQ-OAR-2013-0566

Sulfur Dioxide National Ambient Air Quality Standard

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Last modified
Apr 16, 2022
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closed 2910d ago
American Lung Association filings
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Activity

American Lung Association filed 1 comment on this docket between Aug 10, 2018 and Aug 10, 2018. 9 other organizations filed here. The comment window closed 2910d ago.

What American Lung Association filed (1)

Aug 10, 2018· Comment submitted by Deborah P. Brown, Chief Mission Officer, American Lung Association (ALA)· EPA-HQ-OAR-2013-0566-0195

Filed on regulations.gov — full text not in the inline record.

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Abstract

The Clean Air Act Amendments of 1977 require EPA to review and, if appropriate, revise air quality criteria primary (health-based) and secondary (welfare-based) national ambient air quality standards (NAAQS) periodically. On June 22, 2010, the EPA published a final decision under section 109(d)(1) to establish a new 1-hour SO2 standard at 75 ppb while revoking the then existing 24-hour and annual standards. That action provided the Administrator's final determination, after careful evaluation of comments received on the December 2009 proposal. In 2013, the EPA/ORD initiated the current periodic review of SO2 air quality criteria, the scientific basis for the NAAQS, with a call for information in the Federal Register. (This regulatory action is for the Agency's review of the primary SO2 NAAQS. Review of the secondary SO2 NAAQS will be part of a separate regulatory action combined with review of the secondary nitorgen dioxide NAAQS.) The EPA's ORD and OAR will prepare a plan for the primary SO2 NAAQS review, which will be an integrated plan for addressing policy-relevant scientific and technical issues and will include a schedule for the review. Subsequently, an Integrated Science Assessment (ISA) will be prepared by ORD. This document will be reviewed by the Clean Air Scientific Advisory Committee (CASAC), an independent science advisory committee established to review the scientific and technical basis of the NAAQS, and the public, and will reflect the input received through these reviews. Following completion of the ISA, OAR may prepare and publish an exposure/risk assessment, as appropriate, and a policy assessment reflecting the Agency's views, based on information in the ISA and the exposure/risk report. As the primary SO2 NAAQS review is completed, the Administrator's proposal to retain or revise the SO2 NAAQS will be published with a request for public comment. Input received during the public comment period will be considered in the Administrator's final decision.

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Co-filers (9)

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