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EPA/AR | RIN: 2060-AS71 | Publication ID: Fall 2015 |
Title: ●Revision to the Near-Road NO2 Monitoring Requirements | |
Abstract:
The proposed revision to the Near-road NO2 Monitoring Requirements will remove the existing network design requirement to install near-road NO2 monitoring stations in Core Based Statistical Areas (CBSAs) having populations between 500,000 and 1,000,000 persons, due by January 1, 2017. The EPA is initiating this action based on a review of research data and routine NO2 monitor data generated by existing near-road NO2 sites that were established in larger CBSAs beginning in 2012. The data from these near-road NO2 sites, the majority of which are located in higher populated CBSAs having 1,000,000 or more persons, indicate that the current NO2 air quality concentrations in the near-road environment are generally well below both the annual and 1-hour daily maximum NAAQS levels of 53 ppb and 100 ppb, respectively. Due to the correlation between population, traffic, and expected NO2 concentrations in the near-road environment, it is anticipated that measured near-road NO2 concentrations in relatively smaller CBSAs (e.g., CBSAs with populations less than 1,000,000 persons) would typically exhibit similar, if not lower, concentrations than what is being seen in larger urban areas. Therefore, this action seeks to reduce additional burden on State and local air monitoring agencies by removing monitoring requirements in locations where measured NO2 air quality is expected to be well below the NAAQS. This proposal does not relieve or otherwise modify the existing requirements for near-road NO2 monitoring in CBSAs having 1,000,000 or more persons. |
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Agency: Environmental Protection Agency(EPA) | Priority: Substantive, Nonsignificant |
RIN Status: First time published in the Unified Agenda | Agenda Stage of Rulemaking: Proposed Rule Stage |
Major: No | Unfunded Mandates: No |
CFR Citation: 40 CFR 58 | |
Legal Authority: 42 U.S.C. 7403 42 U.S.C. 7410 42 U.S.C. 7601 42 U.S.C. 7619 Clean Air Act |
Legal Deadline:
None |
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Timetable:
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Regulatory Flexibility Analysis Required: No | Government Levels Affected: Local, State |
Small Entities Affected: No | Federalism: No |
Included in the Regulatory Plan: No | |
RIN Data Printed in the FR: No | |
Agency Contact: Nealson Watkins Environmental Protection Agency Air and Radiation C304-06, Research Triangle Park, NC 27711 Phone:919 541-5522 Fax:919 541-1903 Email: watkins.nealson@epa.gov |