Problems of air pollution in the District of Columbia.
Subtitle: Joint hearings before the subcommittee on Business and Commerce and subcommittee on Public Health, Education, Welfare, and Safety of the committee on the District of Columbia, United States Senate, Ninetieth Congress, first session, March 8, 9, 13. 14, 15, and 16, 1967, and July 20 and August 29, 1967.
Contributors: United States. Congress. Senate. Committee on the District of Columbia. Subcommittee on Public Health, Education, Welfare, and Safety.
Publisher: U.S. Govt. Print. Off.
Published: 1967
Place of publication: Washington
Language: eng
Subjects: Air -- Pollution -- Washington (D.C.)
Other titles: Air pollution in the District of Columbia.
Notes: Pt. 1. Problems of air pollution in the District of Columbia -- Pt. 2. S. 1941 to prevent, abate, and control air pollution in the District of Columbia, and for other purposes.

Includes bibliographies.