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...Act states : "Sec. 101 (b) The purposes of this title are — "(1) to protect and enhance the quality of the Nation's air resources so as to promote the...welfare and the productive capacity of its population ;" Ouidelines for the Development of Air Quality Standards and Implementation Plans, published by the...

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...of Governments) as may be necessary to protect and enhance the quality of the District of Columbia's air resources so as to promote the public health and...welfare and the productive capacity of its population ; to foster their comfort and convenience ; and to increase the enjoyment of all of the attractions...

...of Governments) as may be necessary to protect and enhance the quality of the District of Columbia's air resources so as to promote the public health and...welfare and the productive capacity of its population ; to foster their comfort and convenience ; and to increase the enjoyment of all of the attractions...

...Governments) as may be necessary to protect and enhance the quality of the 1 >istrict of Columbia's air resources so as to promote the public health and...welfare and the productive capacity of its population ; to foster their comfort and convenience; and to increase the enjoyment of all of the attractions...

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...assure that the public will be provided with water that is safe for drinking and associated human uses ; (2) To initiate and accelerate a national research and development program to achieve a high level of safety and adequacy in community drinking water supplies of the Nation : (3) To establish...

...purposes. The statrt purposes of the Act are: (1) to protect and enhance the quality of the nation'air resources so as to promote the public health and welfare and the product!** capacity of its population: (2) to initiate and accelerate a national resetrtt and development...