Approval and Promulgation of Air Quality Implementation Plans; District of Columbia, Maryland, and Virginia; Metropolitan Washington D.C. Ozone Nonattainment Area; Extension of Comment Period

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EPA is extending the comment period for a series of proposed rulemaking actions published on October 19, 2000. On this date, EPA proposed action on the following District of Columbia, Maryland, and Virginia provisions as revisions to their respective State Implementation Plans (SIP's): District of Columbia--Nitrogen Oxides Budget Program (65 FR 62679); Maryland--Nitrogen Oxides Budget Program (65 FR 62677), Nitrogen Oxides Reduction and Trading Program (65 FR 62671), and Reasonably Available Control Technology for Oxides of Nitrogen (65 FR 62668); and Maryland and Virginia--Post-1996 Rate of Progress Plan for the Metropolitan Washington, D.C. Ozone Nonattainment Area (65 FR 62658).