Cover image for Latest findings on national air quality : 1997 status and trends.
Title:
Latest findings on national air quality : 1997 status and trends.
Author:
United States. Environmental Protection Agency. Office of Air Quality Planning and Standards.
Publication Information:
Research Triangle Park, NC : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, [1998]
Physical Description:
22 pages, 1 unnumbered page : color illustrations ; 28 cm
General Note:
Cover title.

EPA Project Officer: Debbie Stackhouse.

"December 1998."

Errata sheet p. [23].

"EPA-454/F-98-009."
Language:
English
Format :
Book