33
/pt/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
8194842
780995
2
Public Timelines
FAQ Receber premium

1 jan 1970 ano - Clean Air Act (CAA) 1970

Descrição:

The Clean Air Act (CAA) is a comprehensive federal law that regulates air emissions from stationary and mobile sources. Among other things, this law authorizes EPA to establish National Ambient Air Quality Standards (NAAQS) to protect public health and public welfare and to regulate emissions of hazardous air pollutants.

Adicionado na linha do tempo:

Data:

1 jan 1970 ano
Agora
~ 55 years ago