Section, Pub. L. 94–469, title I, § 25, Oct. 11, 1976, 90 Stat. 2046; Pub. L. 96–88, title V, § 509(b), Oct. 17, 1979, 93 Stat. 695; renumbered title I, Pub. L. 99–519, § 3(c)(1), Oct. 22, 1986, 100 Stat. 2989, required a study on indemnification for actions taken by the Administrator under Federal law.