Guidance for determining the "attainment year" for transportation conformity in new 8-hour ozone and PM₂.₅ nonattainment areas.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : Transportation and Regional Programs Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency, 2005.
Subjects:	Automobiles > Motors > Exhaust gas > United States. Transportation > Environmental aspects > United States. Air > Pollution > Standards > United States.
Online Access:	https://purl.fdlp.gov/GPO/gpo36309

Available Online