1990—Par. (1). Pub. L. 101–549, § 305(b), struck out “two hundred and” after “municipal incinerators capable of charging more than”.
Par. (3). Pub. L. 101–549, § 403(d), directed the insertion of “, clean fuels,” after “including fuel cleaning,”, which was executed by making the insertion after “including fuel cleaning” to reflect the probable intent of Congress, and inserted at end “Emissions from any source utilizing clean fuels, or any other means, to comply with this paragraph shall not be allowed to increase above levels that would have been required under this paragraph as it existed prior to
1977—Par. (2)(C). Pub. L. 95–190 added subpar. (C).
Pub. L. 95–95, title I, § 127(b),