A State Implementation Plan Established Following the Establishment of National

Multiple Choice

A state implementation plan established following the establishment of National Ambient Air Quality Standards must address the means by which the state is going to ensure that the pollutants in the air within its boundaries will meet the primary National Ambient Air Quality Standards within ________ of their establishment.

A) Three years
B) Two years
C) Eighteen months
D) Twelve months
E) Nine months