§ 52.1629 Visibility protection.  

Latest version.
  • Link to an amendment published at 79 FR 60993, October 9, 2014.

    The portion of the State Implementation Plan revision received on September 17, 2007, from the State of New Mexico for the purpose of addressing the visibility requirements of Clean Air Act section 110(a)(2)(D)(i)(II) for the 1997 8-hour ozone and the 1997 fine particulate matter National Ambient Air Quality Standards is disapproved.

    [76 FR 52440, Aug. 22, 2011]