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42 U.S.C. § 7508 — Guidance documents

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42 U.S.C. § 7508 — Guidance documents

The Administrator shall issue guidance documents under [section 7408 of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title42-section7408&num=0&edition=prelim) for purposes of assisting States in implementing requirements of this part respecting the lowest achievable emission rate. Such a document shall be published not later than nine months after August 7, 1977, and shall be revised at least every two years thereafter.

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Source location: Title 42, Chapter 85, § 7508; chapter-085-air-pollution-prevention-and-control.md

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Federal law — U.S. Code and appendices · legal_authorities

42 U.S.C. § 7408 — Air quality criteria and control techniques

**(a) Air pollutant list; publication and revision by Administrator; issuance of air quality criteria for air pollutants** (1) For the purpose of establishing national primary and secondary ambient air quality standards, the Administrator shall within 30 days after December 31, 1970, publish, and shall from time to time thereafter revise, a list which includes each air pollutant— (A) emissions of which, in his judgment, cause or contribute to air pollution which may reasonably be anticipated to endanger public health or welfare; (B) the presence of which in the ambient air results from numerous or diverse mobile or stationary sources; and (C) for which air quality criteria had not been issued before December 31, 1970 but for which he plans to issue air quality criteria under this section. (2) The Administrator shall issue air quality criteria for an air pollutant within 12 months after he has included such pollutant in a list under paragraph (1). Air quality criteria for an air pollutant shall accurately reflect the latest scientific knowledge useful in indicating the kind and extent of all identifiable effects on public health or welfare which may be expected from the presence of such pollutant in the ambient air, in varying quantities. The criteria for an air pollutant, to the extent practicable, shall include information on— (A) those variable factors (including atmospheric conditions) which of themselves or in combination with other factors may alter the effects on public health or welfare of such air pollutant; (B) the types of air pollutants which, when present in the atmosphere, may interact with such pollutant to produce an adverse effect on public health or welfare; and (C) any known or anticipated adverse effects on welfare. **(b) Issuance

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Federal law — U.S. Code and appendices · legal_authorities

42 U.S.C. § 7508 — Guidance documents

Page 7284 TITLE 42—THE PUBLIC HEALTH AND WELFARE § 7507 Editorial Notes AMENDMENTS 2022—Subsec. (b)(2). Pub. L. 117–286 substituted ‘‘chap- ter 10 of title 5.’’ for ‘‘the Federal Advisory Committee Act (5 U.S.C. App.).’’ § 7507. New motor vehicle emission standards in nonattainment areas Notwithstanding section 7543(a) of this title, any State which has plan provisions approved under this part may adopt and enforce for any model year standards relating to control of emissions from new motor vehicles or new motor vehicle engines and take such other ac- tions as are referred to in section 7543(a) of this title respecting such vehicles if— (1) such standards are identical to the Cali- fornia standards for which a waiver has been granted for such model year, and (2) California and such State adopt such standards at least two years before commence- ment of such model year (as determined by regulations of the Administrator). Nothing in this section or in subchapter II of this chapter shall be construed as authorizing any such State to prohibit or limit, directly or indirectly, the manufacture or sale of a new motor vehicle or motor vehicle engine that is certified in California as meeting California standards, or to take any action of any kind to create, or have the effect of creating, a motor vehicle or motor vehicle engine different than a motor vehicle or engine certified in California under California standards (a ‘‘third vehicle’’) or otherwise create such a ‘‘third vehicle’’. (July 14, 1955, ch. 360, title I, § 177, as added Pub. L. 95–95, title I, § 129(b), Aug. 7, 1977, 91 Stat. 750; amended Pub. L. 101–549, title II, § 232, Nov. 15, 1990, 104 Stat. 2529.) Editorial Notes AMENDMENTS 1990—Pub. L. 101–549 added sentence at end prohib- iti

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