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

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Environmental Protection Agency, 2004.
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/gpo63465

Description
Item Description:	Title from PDF title screen (viewed on August 31, 2015). "June 2004." "EPA420-B-04-007." Supersedes EPA 420-B-03-010.--Supplied by EPA.
Physical Description:	1 online resource (2 unnumbered pages) : illustrations