Context

Context of Air pollution control and solid wastes recycling : hearings before the Subcommittee on Public Health and Welfare of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-first Congress, first and second sessions on H.R. 12934, H.R. 14960, H.R. 15137, and H.R. 15192, bills to amend the Clean Air Act to authorize appropriations to carry out such act through fiscal year 1973 : H.R. 15848, a bill to amend the Clean Air Act so as to extend its duration, provide for national standards of ambient air quality, expedite enforcement of air pollution control standards, authorize regulation of fuels and fuel additives, provide for improved controls over motor vehicle emissions, establish standards applicable to dangerous emissions from stationary sources, and for other purposes (and related bills) : H.R. 15847, a bill to authorize the Council on Environmental Quality to conduct studies and make recommendations respecting the reclamation and recycling of material from the Solid Waste Disposal Act, and for other purposes (and related bills), December 8, 9, 1969; March 5, 16, 17, 18, 19, 20, and April 14, 1970, Part I
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