Boundary scenarios for 8-hour ozone nonattainment areas previously designated as nonattainment or maintenance for the 1-hour ozone standard : reference document for commenters.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Environmental Protection Agency, 2003.
Subjects:	Motor vehicles > Motors > Exhaust gas > Law and legislation > United States. Ozone. Motor vehicles > Motors > Exhaust gas > Law and legislation. United States.
Online Access:	https://purl.fdlp.gov/GPO/gpo63457

Description
Item Description:	Title from title screen (viewed on Dec. 21, 2011). "October 2003." "EPA420-B-03-010."
Physical Description:	1 online resource ( 2 pages) : illustrations