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83 FR 39019
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83 FR 39019
Canonical document for this Federal Register citation.
Air Plan Approval; District of Columbia, Maryland, and Virginia; Maryland and Virginia Redesignation Requests and District of Columbia, Maryland, and Virginia Maintenance Plan for the Washington, DC-MD-VA 2008 Ozone Standard Nonattainment Area
Wednesday, August 8, 2018
83 FR 39019