42 U.S.C. 7403: Research, investigation, training, and other activities

2020

• Pub. L. 116–260, §102(b)(1), substituted "precursors" for "percursors" in introductory provisions. (Consolidated Appropriations Act, 2021) Law text · (c)
• Pub. L. 116–260, §102(b)(2)(C)(iii), designated first sentence of introductory provisions as par. (1) and inserted heading. Former par. (1) redesignated subpar. (A) of par. (3). (Consolidated Appropriations Act, 2021) Law text · (g)
• Pub. L. 116–260, §102(b)(2)(C)(ii), designated second sentence of introductory provisions as par. (2), inserted heading, substituted "Such strategies and technologies described in paragraph (1) shall be developed" for "Such strategies and technologies shall be developed", and insert… (Consolidated Appropriations Act, 2021) Law text · (g)
• Pub. L. 116–260, §102(b)(2)(C)(i), designated third sentence of introductory provisions as par. (3), inserted heading, and substituted "The program under this subsection" for "Such program". Former par. (3) redesignated subpar. (C) of par. (3). (Consolidated Appropriations Act, 2021) Law text · (g)
• Pub. L. 116–260, §102(b)(2)(A), redesignated pars. (1) to (4) of subsec. (g) as subpars. (A) to (D), respectively, of par. (3). (Consolidated Appropriations Act, 2021) Law text · (g)
• Pub. L. 116–260, §102(b)(2)(B), designated first and second sentences of concluding provisions as pars. (4) and (5), respectively, and inserted headings. Former par. (4) redesignated subpar. (D) of par. (3). (Consolidated Appropriations Act, 2021) Law text · (g), (5)
• Pub. L. 116–260, §102(b)(2)(D), added par. (6). (Consolidated Appropriations Act, 2021) Law text · (g)

1990

• Pub. L. 101–549, §901(a)(1), inserted "(including health and welfare effects)" after "effects". · (a)
• Pub. L. 101–549, §901(a)(2), which directed amendment of subsec. (b) by adding par. (8) at end, was executed by adding par. (8) after par. (7) to reflect the probable intent of Congress. · (b)
• Pub. L. 101–549, §901(b), amended subsecs. (c) to (f) generally, substituting present provisions for provisions which related to: in subsec. (c), results of other scientific studies; in subsec. (d), construction of facilities; in subsec. (e), potential air pollution problems, c… · (c), (d), (e), (f)
• Pub. L. 101–549, §901(c), added subsecs. (g) to (k). · (g), (h), (i), (j), (k)

1977

• Pub. L. 95–95, §101(b), struck out reference to "training" in par. (1) and added par. (5). · (a)
• Pub. L. 95–95, §101(a), struck out par. (5) which provided for training and training grants to personnel of air pollution control agencies and other persons with suitable qualifications, redesignated pars. (6), (7), and (8) as (5), (6), and (7), respectively, and, following par. (7) as… · (b)

1970

• Pub. L. 91–604, §15(c)(2), substituted "Administrator" for "Secretary". · (a)
• Pub. L. 91–604, §15(c)(2), substituted "Administrator" for "Secretary" and "Environmental Protection Agency" for "Department of Health, Education, and Welfare". · (b)
• Pub. L. 91–604, §15(a)(2), (c)(2), substituted "Administrator" for "Secretary" and "air pollutants" for "air pollution agents (or combinations of agents)". · (c)
• Pub. L. 91–604, §15(c)(2), substituted "Administrator" for "Secretary". · (d)
• Pub. L. 91–604, §15(c)(2), substituted "Administrator" for "Secretary" wherever appearing, substituted "7415" for "7415(a)", and inserted references to subsecs. (b) and (c) of section 7415 of this title. · (e)
• Pub. L. 91–604, §2(a), added subsec. (f). · (f)

1967

• Pub. L. 90–148 substituted "establish technical advisory committees composed of recognized experts in various aspects of air pollution to assist in the examination and evaluation of research progress and proposals and to avoid duplication of research" for "initiate and conduct a progra… · (a)
• Pub. L. 90–148 struck out provision for promulgation of criteria in the case of particular air pollution agents present in the air in certain quantities reflecting the latest scientific knowledge and allowing for availability and revision and provided for recommendation by Secretary of… · (c)
• Pub. L. 90–148 substituted references to subsections (d), (e), and (f) of section 7415 of this title for references to subsections (c), (d), and (e) of section 7415 of this title in provision for admission of advisory findings and recommendations together with the record of the confere… · (e)

1965

• Pub. L. 89–272, §103(3), added par. (5). · (a)
• Pub. L. 89–272, §103(4), added subsecs. (d) and (e). · (d), (e)