42 U.S. Code § 7409 - National primary and secondary ambient air quality standards

(a) Promulgation
(1) The Administrator—
(A) within 30 days after December 31, 1970, shall publish proposed regulations prescribing a national primary ambient air quality standard and a national secondary ambient air quality standard for each air pollutant for which air quality criteria have been issued prior to such date; and
(B) after a reasonable time for interested persons to submit written comments thereon (but no later than 90 days after the initial publication of such proposed standards) shall by regulation promulgate such proposed national primary and secondary ambient air quality standards with such modifications as he deems appropriate.
(2) With respect to any air pollutant for which air quality criteria are issued after December 31, 1970, the Administrator shall publish, simultaneously with the issuance of such criteria and information, proposed national primary and secondary ambient air quality standards for any such pollutant. The procedure provided for in paragraph (1)(B) of this subsection shall apply to the promulgation of such standards.
(b) Protection of public health and welfare
(1) National primary ambient air quality standards, prescribed under subsection (a) of this section shall be ambient air quality standards the attainment and maintenance of which in the judgment of the Administrator, based on such criteria and allowing an adequate margin of safety, are requisite to protect the public health. Such primary standards may be revised in the same manner as promulgated.
(2) Any national secondary ambient air quality standard prescribed under subsection (a) of this section shall specify a level of air quality the attainment and maintenance of which in the judgment of the Administrator, based on such criteria, is requisite to protect the public welfare from any known or anticipated adverse effects associated with the presence of such air pollutant in the ambient air. Such secondary standards may be revised in the same manner as promulgated.
(c) National primary ambient air quality standard for nitrogen dioxide
The Administrator shall, not later than one year after August 7, 1977, promulgate a national primary ambient air quality standard for NO2 concentrations over a period of not more than 3 hours unless, based on the criteria issued under section 7408 (c) of this title, he finds that there is no significant evidence that such a standard for such a period is requisite to protect public health.
(d) Review and revision of criteria and standards; independent scientific review committee; appointment; advisory functions
(1) Not later than December 31, 1980, and at five-year intervals thereafter, the Administrator shall complete a thorough review of the criteria published under section 7408 of this title and the national ambient air quality standards promulgated under this section and shall make such revisions in such criteria and standards and promulgate such new standards as may be appropriate in accordance with section 7408 of this title and subsection (b) of this section. The Administrator may review and revise criteria or promulgate new standards earlier or more frequently than required under this paragraph.
(2)
(A) The Administrator shall appoint an independent scientific review committee composed of seven members including at least one member of the National Academy of Sciences, one physician, and one person representing State air pollution control agencies.
(B) Not later than January 1, 1980, and at five-year intervals thereafter, the committee referred to in subparagraph (A) shall complete a review of the criteria published under section 7408 of this title and the national primary and secondary ambient air quality standards promulgated under this section and shall recommend to the Administrator any new national ambient air quality standards and revisions of existing criteria and standards as may be appropriate under section 7408 of this title and subsection (b) of this section.
(C) Such committee shall also
(i) advise the Administrator of areas in which additional knowledge is required to appraise the adequacy and basis of existing, new, or revised national ambient air quality standards,
(ii) describe the research efforts necessary to provide the required information,
(iii) advise the Administrator on the relative contribution to air pollution concentrations of natural as well as anthropogenic activity, and
(iv) advise the Administrator of any adverse public health, welfare, social, economic, or energy effects which may result from various strategies for attainment and maintenance of such national ambient air quality standards.

Source

(July 14, 1955, ch. 360, title I, § 109, as added Pub. L. 91–604, § 4(a),Dec. 31, 1970, 84 Stat. 1679; amended Pub. L. 95–95, title I, § 106,Aug. 7, 1977, 91 Stat. 691.)
Codification

Section was formerly classified to section 1857c–4 of this title.
Prior Provisions

A prior section 109 of act July 14, 1955, was renumbered section 116 by Pub. L. 91–604and is classified to section 7416 of this title.
Amendments

1977—Subsec. (c). Pub. L. 95–95, § 106(b), added subsec. (c).
Subsec. (d). Pub. L. 95–95, § 106(a), added subsec. (d).
Effective Date of 1977 Amendment

Amendment by Pub. L. 95–95effective Aug. 7, 1977, except as otherwise expressly provided, see section 406(d) ofPub. L. 95–95, set out as a note under section 7401 of this title.
Modification or Rescission of Rules, Regulations, Orders, Determinations, Contracts, Certifications, Authorizations, Delegations, and Other Actions

All rules, regulations, orders, determinations, contracts, certifications, authorizations, delegations, or other actions duly issued, made, or taken by or pursuant to act July 14, 1955, the Clean Air Act, as in effect immediately prior to the date of enactment of Pub. L. 95–95[Aug. 7, 1977] to continue in full force and effect until modified or rescinded in accordance with act July 14, 1955, as amended by Pub. L. 95–95[this chapter], see section 406(b) ofPub. L. 95–95, set out as an Effective Date of 1977 Amendment note under section 7401 of this title.
Termination of Advisory Committees

Advisory committees established after Jan. 5, 1973, to terminate not later than the expiration of the 2-year period beginning on the date of their establishment, unless, in the case of a committee established by the President or an officer of the Federal Government, such committee is renewed by appropriate action prior to the expiration of such 2-year period, or in the case of a committee established by the Congress, its duration is otherwise provided for by law. See section 14 ofPub. L. 92–463, Oct. 6, 1972, 86 Stat. 776, set out in the Appendix to Title 5, Government Organization and Employees.
Role of Secondary Standards

Pub. L. 101–549, title VIII, § 817,Nov. 15, 1990, 104 Stat. 2697, provided that:
“(a) Report.—The Administrator shall request the National Academy of Sciences to prepare a report to the Congress on the role of national secondary ambient air quality standards in protecting welfare and the environment. The report shall:
“(1) include information on the effects on welfare and the environment which are caused by ambient concentrations of pollutants listed pursuant to section 108 [42 U.S.C. 7408] and other pollutants which may be listed;
“(2) estimate welfare and environmental costs incurred as a result of such effects;
“(3) examine the role of secondary standards and the State implementation planning process in preventing such effects;
“(4) determine ambient concentrations of each such pollutant which would be adequate to protect welfare and the environment from such effects;
“(5) estimate the costs and other impacts of meeting secondary standards; and
“(6) consider other means consistent with the goals and objectives of the Clean Air Act [42 U.S.C. 7401 et seq.] which may be more effective than secondary standards in preventing or mitigating such effects.
“(b) Submission to Congress; Comments; Authorization.—(1) The report shall be transmitted to the Congress not later than 3 years after the date of enactment of the Clean Air Act Amendments of 1990 [Nov. 15, 1990].
“(2) At least 90 days before issuing a report the Administrator shall provide an opportunity for public comment on the proposed report. The Administrator shall include in the final report a summary of the comments received on the proposed report.
“(3) There are authorized to be appropriated such sums as are necessary to carry out this section.”

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42 USCDescription of ChangeSession YearPublic LawStatutes at Large

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40 CFR Part 6 - PROCEDURES FOR IMPLEMENTING THE NATIONAL ENVIRONMENTAL POLICY ACT AND ASSESSING THE ENVIRONMENTAL EFFECTS ABROAD OF EPA ACTIONS

40 CFR Part 9 - OMB APPROVALS UNDER THE PAPERWORK REDUCTION ACT

40 CFR Part 30 - UNIFORM ADMINISTRATIVE REQUIREMENTS FOR GRANTS AND AGREEMENTS WITH INSTITUTIONS OF HIGHER EDUCATION, HOSPITALS, AND OTHER NON-PROFIT ORGANIZATIONS

40 CFR Part 31 - UNIFORM ADMINISTRATIVE REQUIREMENTS FOR GRANTS AND COOPERATIVE AGREEMENTS TO STATE AND LOCAL GOVERNMENTS

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40 CFR Part 50 - NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS

40 CFR Part 51 - REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS

40 CFR Part 52 - APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS

40 CFR Part 55 - OUTER CONTINENTAL SHELF AIR REGULATIONS

40 CFR Part 60 - STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES

40 CFR Part 61 - NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS

40 CFR Part 62 - APPROVAL AND PROMULGATION OF STATE PLANS FOR DESIGNATED FACILITIES AND POLLUTANTS

40 CFR Part 63 - NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES

40 CFR Part 65 - CONSOLIDATED FEDERAL AIR RULE

40 CFR Part 70 - STATE OPERATING PERMIT PROGRAMS

40 CFR Part 81 - DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES

40 CFR Part 85 - CONTROL OF AIR POLLUTION FROM MOBILE SOURCES

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40 CFR Part 89 - CONTROL OF EMISSIONS FROM NEW AND IN-USE NONROAD COMPRESSION-IGNITION ENGINES

40 CFR Part 90 - CONTROL OF EMISSIONS FROM NONROAD SPARK-IGNITION ENGINES AT OR BELOW 19 KILOWATTS

40 CFR Part 91 - CONTROL OF EMISSIONS FROM MARINE SPARK-IGNITION ENGINES

40 CFR Part 92 - CONTROL OF AIR POLLUTION FROM LOCOMOTIVES AND LOCOMOTIVE ENGINES

40 CFR Part 93 - DETERMINING CONFORMITY OF FEDERAL ACTIONS TO STATE OR FEDERAL IMPLEMENTATION PLANS

40 CFR Part 94 - CONTROL OF EMISSIONS FROM MARINE COMPRESSION-IGNITION ENGINES

40 CFR Part 98 - MANDATORY GREENHOUSE GAS REPORTING

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40 CFR Part 270 - EPA ADMINISTERED PERMIT PROGRAMS: THE HAZARDOUS WASTE PERMIT PROGRAM

40 CFR Part 271 - REQUIREMENTS FOR AUTHORIZATION OF STATE HAZARDOUS WASTE PROGRAMS

40 CFR Part 451 - CONCENTRATED AQUATIC ANIMAL PRODUCTION POINT SOURCE CATEGORY

40 CFR Part 1027 - FEES FOR ENGINE, VEHICLE, AND EQUIPMENT COMPLIANCE PROGRAMS

40 CFR Part 1036 - CONTROL OF EMISSIONS FROM NEW AND IN-USE HEAVY-DUTY HIGHWAY ENGINES

40 CFR Part 1037 - CONTROL OF EMISSIONS FROM NEW HEAVY-DUTY MOTOR VEHICLES

40 CFR Part 1039 - CONTROL OF EMISSIONS FROM NEW AND IN-USE NONROAD COMPRESSION-IGNITION ENGINES

40 CFR Part 1045 - CONTROL OF EMISSIONS FROM SPARK-IGNITION PROPULSION MARINE ENGINES AND VESSELS

40 CFR Part 1048 - CONTROL OF EMISSIONS FROM NEW, LARGE NONROAD SPARK-IGNITION ENGINES

40 CFR Part 1051 - CONTROL OF EMISSIONS FROM RECREATIONAL ENGINES AND VEHICLES

40 CFR Part 1054 - CONTROL OF EMISSIONS FROM NEW, SMALL NONROAD SPARK-IGNITION ENGINES AND EQUIPMENT

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40 CFR Part 1065 - ENGINE-TESTING PROCEDURES

40 CFR Part 1066 - VEHICLE-TESTING PROCEDURES

40 CFR Part 1068 - GENERAL COMPLIANCE PROVISIONS FOR HIGHWAY, STATIONARY, AND NONROAD PROGRAMS

40 CFR Part 1074 - PREEMPTION OF STATE STANDARDS AND PROCEDURES FOR WAIVER OF FEDERAL PREEMPTION FOR NONROAD ENGINES AND NONROAD VEHICLES

 

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