Quick search by citation:

42 U.S. Code § 5175 - Repealed. Pub. L. 100–707, title I, § 105(m)(2), Nov. 23, 1988, 102 Stat. 4696

Section, Pub. L. 93–288, title IV, § 405, May 22, 1974, 88 Stat. 155, related to protection of environment.