In 1990 Amendments to the Clean Air Act,the EPA Was

In 1990 amendments to the Clean Air Act,the EPA was required to:

A) set standards for 38 specific pollutants based on the best available control technology.
B) establish standards on 100 specific pollutants at a level at which the risk of cancer from the substances was no more than one in ten million over a lifetime.
C) set standards for each of 189 specific pollutants based on the maximum achievable control technology.
D) regulate the level of carbon dioxide if the level was found to endanger health or welfare.