((a)) ** Compliance with applicable environmental requirements** Except as provided in , nothing in this chapter shall be construed as permitting any existing or new electric powerplant to delay or avoid compliance with applicable environmental requirements.section 8374 of this title

((b)) ** Local environmental requirements** In the case of any new or existing facility—

((1)) which is subject to any prohibition under this chapter, and

((2)) which is also subject to any requirement of any local environmental requirement which may be stricter than any Federal or State environmental requirement,