Air quality data for metals, 1968 and 1969, from the national air surveillance networks.
Series: APTD-1467
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: 169
Subjects: Air -- Pollution -- United States -- Tables.; Metals -- Tables.
Notes: Includes bibliography.
Tables.