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1 jan 1970 ano - The Clean Air Act.

Descrição:

The enactment of the Clean Air Act of 1970 (1970 CAA) resulted in a major shift in the federal government's role in air pollution control. This legislation authorized the development of comprehensive federal and state regulations to limit emissions from both stationary (industrial) sources and mobile sources.

Adicionado na linha do tempo:

masons timeline

Bymason
6 nov 2017
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640

Data:

1 jan 1970 ano
Agora
~ 55 years ago
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