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Review of the Primary National Ambient Air Quality Standards for Oxides of Nitrogen (Draft)
Jul. 26, 2017
Based on the EPA's review of the air quality criteria addressing human health effects of oxides of nitrogen and the primary national ambient air quality standards (NAAQS) for nitrogen dioxide (NO2), the EPA is proposing to retain the current standards, without revision. Comments must be received on or before 25 September 2017. POC is Ms. Breanna Alman, Health and Environmental Impacts Division, Office of Air Quality Planning and Standards, U.S. EPA, Mail Code C504-06, Research Triangle Park, NC 27711; tel: 919-541-2351; fax: 919-541-0237; email: alman.breanna@epa.gov (Federal Register; 26 July 2017 [Proposed Rules], pages 34792-34834).

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Last Updated: January 22, 2018