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.