Guide for control of air pollution episodes in medium-sized urban areas.
Series: Office of Air Programs publication no. AP-77
Publisher: For sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington
Published: 1971
Place of publication: Research Triangle Park, N.C
Language: eng
Number of pages: 55
Subjects: Air -- Pollution.
Notes: Prepared under Public Health Service contract no. PH-22-68-32.