Air quality data for nonmetallic inorganic ions, 1969 and 1970, from the national air surveillance networks.
Series: Publication APTD ; no. 1466
Publisher: Environmental Protection Agency, Office of Air and Water Programs, Office of Air Quality Planning and Standards
Published: 1973
Place of publication: Research Triangle Park, N.C
Language: eng
Number of pages: 75
Subjects: Air -- Pollution -- United States.; Ions.