Section 7450, act July 14, 1955, ch. 360, title I, 150, as added Aug. 7, 1977, Pub. L. 95–95, title I, § 126, 91 Stat. 725, set forth Congressional declaration of purpose. Section 7451, act July 14, 1955, ch. 360, title I, 151, as added Aug. 7, 1977, Pub. L. 95–95, title I, § 126, 91 Stat. 726, set forth Congressional findings. Section 7452, act July 14, 1955, ch. 360, title I, 152, as added Aug. 7, 1977, Pub. L. 95–95, title I, § 126, 91 Stat. 726, set forth definitions applicable to this part. Section 7453, act July 14, 1955, ch. 360, title I, 153, as added Aug. 7, 1977, Pub. L. 95–95, title I, § 126, 91 Stat. 726, related to studies by Environmental Protection Agency. Section 7454, act July 14, 1955, ch. 360, title I, 154, as added Aug. 7, 1977, Pub. L. 95–95, title I, § 126, 91 Stat. 728; amended Pub. L. 96–88, title V, § 509(b), Oct. 17, 1979, 93 Stat. 695, related to research and monitoring activities by Federal agencies. Section 7455, act July 14, 1955, ch. 360, title I, 155, as added Aug. 7, 1977, Pub. L. 95–95, title I, § 126, 91 Stat. 729, related to reports on progress of regulation. Section 7456, act July 14, 1955, ch. 360, title I, 156, as added Aug. 7, 1977, Pub. L. 95–95, title I, § 126, 91 Stat. 729, authorized President to enter into international agreements to foster cooperative research. Section 7457, act July 14, 1955, ch. 360, title I, 157, as added Aug. 7, 1977, Pub. L. 95–95, title I, § 126, 91 Stat. 729, related to promulgation of regulations. Section 7458, act July 14, 1955, ch. 360, title I, 158, as added Aug. 7, 1977, Pub. L. 95–95, title I, § 126, 91 Stat. 730, set forth other provisions of law that would be unaffected by this part. Section 7459, act July 14, 1955, ch. 360, title I, 159, as added Aug. 7, 1977, Pub. L. 95–95, title I, § 126, 91 Stat. 730, related to authority of States to protect the stratosphere.