The Clean Air Act of 1970 was the first national legislation of standardized rules in the u.s. to identify, monitor, and reduce air contaminants.
The federal legislation was designed to minimize the pollution increases from growing numbers of motor vehicles and from new or expanded stationary sources such as power plants, industrial plants etc.
Hence, this is the first national legislation of standardized rules in the u.s. to identify, monitor, and reduce air contaminants.
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