Page:United States Statutes at Large Volume 91.djvu/827

 PUBLIC LAW 95-0.'^—AUG. 7, 1977

91 STAT. 793

tionship between levels of chemicals in the environment and in human tissue. Such study shall be made in appropriate regions or areas of the United States in order to determine any different results in such regions or areas. The results of such study shall, as soon as practicable, Report to congressional be reported to the appropriate committee of the Congress. committee. (d) The Administrator of the Environmental Protection Agency 42 USC 7401 shall conduct a study of air quality in various areas throughout the note. country including the gulf coast region. Such study shall include analysis of liquid and solid aerosols and other fine particulate matter and the contribution of such substances to visibility and public health problems in such areas. For the purposes of this study, the Administrator shall use environmental health experts from the National Institutes of Health and other outside agencies and organizations. (e)(1) The Secretary of Labor, in consultation with the Admin- 42 USC 7621 istrator, shall conduct a study of potential dislocation of employees note. due to implementation of laws administered by the Administrator. Such study shall estimate the number of employees so affected, identify existing sources of assistance available to such employees, assess the adequacy of such assistance, and recommend additional adjustment measures, if justified. (2) The Secretary shall submit to Congress the results of the study Study results, conducted under paragraph (1) not more than one year after the submittal to Congress. date of enactment of this section. (f) The Administrator of the Environmental Protection Agency 42 USC 7521 shall undertake to enter into appropriate arrangements with the note. National Academy of Sciences to conduct continuing comprehensive studies and investigations of the effects on public health and welfare of emissions subject to section 202(a) of the Clean Air Act Ante, pp. 759, (including sulfur compounds) and the technological feasibility of 760, 765, 791. meeting emission standards required to be prescribed by the Administrator by section 202(b) of such Act. The Administrator shall report Report to to the Congress within six months of the date of enactment of this Congress. section and each year thereafter regarding the status of the contractual arrangements and conditions necessary to implement this paragraph. (g) The Administrator of the Environmental Protection Agency Report to shall conduct a study and report to Congress by the date one year Congress. after the date of the enactment of this section, on the emission of 42 USC 7521 sulfur-bearing compounds from motor vehicles and motor vehicle note. engines and aircraft engines. Such study and report shall include but rfot be limited to a review of the effects of such emissions on public health and welfare and an analysis of the costs and benefits of alternatives to reduce or eliminate such emissions (including desulfurization of fuel, short-term allocation of low sulfur crude oil, technological devices used in conjunction with current engine technologies, alternative engine technologies, and other methods) as may be required to achieve any proposed or promulgated emission standards for sulfur compounds. RAILROAD EMISSION STUDY

SEC. 404. (a) The Administrator of the Environmental Protection Agency shall conduct a study and investigation of emissions of air pollutants from railroad locomotives, locomotive engines, and secondary power sources on railroad rolling stock, in order to determine— (1) the extent to which such emissions affect air quality in air quality control regions throughout the United States,

42 USC 7401 note.

�