Proposed Rule to Implement the 1997 8-Hour Ozone National Ambient Air Quality Standard: Revision on Subpart 1 Area Reclassification and Anti-Backsliding Provisions Under Former 1-Hour Ozone Standard, etc.
Federal Register, January 16, 2009 (Nbr. Vol. 74, No. 11)
Proposed rules - Environmental Protection Agency
Linked as: