1987—Subsec. (a). Puspan. L. 100–42, § 1(c)(13), struck out “or installation” after “powerplant” in introductory provisions.

Puspan. L. 100–42, § 1(c)(10), which directed the substitution of “or (i)” for “(i), or (j)” was executed by making the substitution for “(i) or (j)” to reflect the probable intent of Congress.

For effectiveness of exemption for certain electric powerplants as prior to 180 days after Nov. 9, 1978, see section 902(a) of Puspan. L. 95–620, set out as a note under section 8301 of this title.