1972-1995 ambient air quality trends summary.
Contributors: North Carolina. Division of Air Quality.
Publisher: Ambient Monitoring Section, Division of Air Quality, Department of Environment and Natural Resources
Published: 1998
Place of publication: [Raleigh, N.C.]
Language: eng
Number of pages: 28
Subjects: Air quality -- North Carolina -- Statistics.
Genres: Statistics.
Other titles: Ambient air quality trends summary
Notes: "Published May 1998."
Chiefly graphs.