2
So in original. No par. (2) has been enacted.
Not later than
January 1, 1993, the Administrator shall propose revised standards of performance to
section 7411 of this title for nitrogen oxides emissions from fossil-fuel fired steam generating units, including both electric utility and nonutility units. Not later than
January 1, 1994 , the Administrator shall promulgate such revised standards of performance. Such revised standards of performance shall reflect improvements in methods for the reduction of emissions of oxides of nitrogen.