Manual for the development of state recommendations for air quality control regions.
Contributors: United States. National Air Pollution Control Administration.
Publisher: U.S. Dept. of Health, Education and Welfare, Public Health Service, Consumer Protection and Environmental Health Service, National Air Pollution Control Administration
Published: 1970
Place of publication: [Washington]
Language: eng
Number of pages: 21
Subjects: Air quality -- United States.; Air -- Pollution -- Standards -- United States.