Citation

72 FR 25967

Canonical document for this Federal Register citation.

Approval and Promulgation of Air Quality Implementation Plans; West Virginia; Redesignation of the Parkersburg, WV, Portion of the Parkersburg-Marietta, WV-OH 8-Hour Ozone Nonattainment Area to Attainment and Approval of the Maintenance Plan Tuesday, May 8, 2007 72 FR 25967