Air Pollution -- 1967. hearings before the United States Senate Committee on Public Works, Subcommittee on Air and Water Pollution, Ninetieth Congress, first session, on Apr. 19, May 2-4, 8-10, 1967. Part 3 :

Considers status of ambient air quality criteria. Includes the following reports. a. National Center for Air Pollution Control, "Current Status Report; State and Local Pollution Control Programs" May, 1967 (p. 1160-1283). b. New York City Council, "Air Pollution in New York City"...

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