42 U.S.C. § 1857f–6d
Repealed. Pub. L. 91–604, § 8(a), Dec. 31, 1970, 84 Stat. 1694
This provision is no longer in force
Section, act July 14, 1955, ch. 360, title II, § 211, as added , Pub. L. 90–148, § 2, 81 Stat. 503, provided for a national emissions standards study for stationary sources to be conducted by the Secretary, with a report and recommendations to be submitted to the Congress by , and for a study of the feasibility of controls for jet and piston aircraft engines, with a report thereon to Congress by .