Transportation conformity rule amendments for the new 8-hour ozone and PM₂.₅ national ambient air quality standards and miscellaneous revisions for existing areas
Subtitle: summary of the November 5, 2003, published proposed rulemaking
Publisher: United States Environmental Protection Agency
Published: 2003
Place of publication: Washington, D.C.]
Language: eng
Subjects: Air quality; Standards; Air; Pollution; Law and legislation; Transportation; Planning; Environmental aspects
Notes: Title from title screen (viewed on July 12, 2013).

"November 2003."

"EPA420-F-03-041."