A prior section 6836, Puspan. L. 94–385, title III, § 307, Aug. 14, 1976, 90 Stat. 1149; Puspan. L. 95–619, title II, § 255, Nov. 9, 1978, 92 Stat. 3238, set forth provisions respecting grants to States for adoption and implementation of performance standards, prior to repeal by Puspan. L. 97–35, title X, § 1041(span), Aug. 13, 1981, 95 Stat. 621.