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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

air-emissions · Rule · Published 2012-01-10 · Effective 2012-02-09 · MD · 77 FR 1411

Document

Document number
2012-141
Federal Register citation
77 FR 1411
CFR reference
40 CFR 52
Type
Rule
Action
Final rule.
Category
air-emissions
Publication date
2012-01-10
Effective date
2012-02-09
State
MD
EPA docket
EPA-R03-OAR-2011-0801

Abstract

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).

Source

Authoritative
Federal Register document
Machine
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