federal_register: 2012-141
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| document_number | title | type | abstract | publication_date | pub_year | pub_month | html_url | pdf_url | agency_names | agency_ids | excerpts | regulation_id_numbers |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012-141 | Approval and Promulgation of Air Quality Implementation Plans; District of Columbia, Maryland, Virginia, and West Virginia; Determinations of Attainment of the 1997 Fine Particle Standard for the Metropolitan Washington, DC-MD-VA and Martinsburg-Hagerstown, WV-MD Nonattainment Areas | Rule | EPA is making determinations that the Metropolitan Washington, District of Columbia-Maryland-Virginia (DC-MD-VA) fine particle (PM<INF>2.5</INF>) nonattainment area and the Martinsburg-Hagerstown, West Virginia-Maryland (WV-MD) PM<INF>2.5</INF> nonattainment area (hereafter referred to as "Areas") have attained the 1997 annual PM<INF>2.5</INF> National Ambient Air Quality Standard (NAAQS) by their applicable attainment date of April 5, 2010. These determinations are based upon complete, quality-assured, and certified ambient air monitoring data for the 2007-2009 monitoring period. EPA is finding these Areas to be in attainment, in accordance with the requirements of the Clean Air Act (CAA). | 2012-01-10 | 2012 | 1 | https://www.federalregister.gov/documents/2012/01/10/2012-141/approval-and-promulgation-of-air-quality-implementation-plans-district-of-columbia-maryland-virginia | https://www.govinfo.gov/content/pkg/FR-2012-01-10/pdf/2012-141.pdf | Environmental Protection Agency | 145 | EPA is making determinations that the Metropolitan Washington, District of Columbia-Maryland-Virginia (DC-MD-VA) fine particle (PM<INF>2.5</INF>) nonattainment area and the Martinsburg-Hagerstown, West Virginia-Maryland (WV-MD) PM<INF>2.5</INF>... |