42 U.S.C. § 7512a

November 15, 1990section 7502(c)(3) of this titleNo later than 2 years from , the State shall submit a comprehensive, accurate, current inventory of actual emissions from all sources, as described in , in accordance with guidance provided by the Administrator.

November 15, 1990No later than 2 years after , for areas with a design value above 12.7 ppm at the time of classification, the plan revision shall provide for the implementation of specific measures to be undertaken if any estimate of vehicle miles traveled in the area which is submitted in an annual report under paragraph (2) exceeds the number predicted in the most recent prior forecast or if the area fails to attain the national primary ambient air quality standard for carbon monoxide by the primary standard attainment date. Such measures shall be included in the plan revision as contingency measures to take effect without further action by the State or the Administrator if the prior forecast has been exceeded by an updated forecast or if the national standard is not attained by such deadline.

November 15, 1990section 7511a(a)(2)(B) of this titlesection 7511a(a)(2)(B) of this titleImmediately after , for any Moderate Area (or, within the Administrator’s discretion, portion thereof), the plan for which is of the type described in any provisions necessary to ensure that the applicable implementation plan includes the vehicle inspection and maintenance program described in .

September 30, 1995No later than , and no later than the end of each 3 year period thereafter, until the area is redesignated to attainment, a revised inventory meeting the requirements of subsection (a)(1).

November 15, 1990section 7511a(c)(3) of this titleNo later than 2 years after , in the case of Moderate Areas with a design value greater than 12.7 ppm at the time of classification, a revision that includes provisions for an enhanced vehicle inspection and maintenance program as required in (concerning serious ozone nonattainment areas), except that such program shall be for the purpose of reducing carbon monoxide rather than hydrocarbon emissions.

November 15, 1990In the case of Moderate Areas with a design value greater than 12.7 ppm at the time of classification, no later than 2 years after , a revision to provide, and a demonstration that the plan as revised will provide, for attainment of the carbon monoxide NAAQS by the applicable attainment date and provisions for such specific annual emission reductions as are necessary to attain the standard by that date.

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November 15, 1990section 7511a(d)(1) of this titlesection 7586(a)(2)(B) of this titleWithin 2 years after , the State shall submit a revision that includes the transportation control measures as required in except that such revision shall be for the purpose of reducing CO emissions rather than volatile organic compound emissions. In the case of any such area (other than an area in New York State) which is a covered area (as defined in ) for purposes of the Clean Fuel Fleet program under part C of subchapter II, if the State fails to include any such measure, the implementation plan shall contain an explanation of why such measure was not adopted and what emissions reduction measure was adopted to provide a comparable reduction in emissions, or reasons why such reduction is not necessary to attain the national primary ambient air quality standard for carbon monoxide.

November 15, 1990section 7602 of this titleIn the case of Serious Areas in which stationary sources contribute significantly to carbon monoxide levels (as determined under rules issued by the Administrator), the State shall submit a plan revision within 2 years after , which provides that the term “major stationary source” includes (in addition to the sources described in ) any stationary source which emits, or has the potential to emit, 50 tons per year or more of carbon monoxide.

The Administrator may, on a case-by-case basis, waive any requirements that pertain to transportation controls, inspection and maintenance, or oxygenated fuels where the Administrator determines by rule that mobile sources of carbon monoxide do not contribute significantly to carbon monoxide levels in the area.

November 15, 1990Within 6 months after , the Administrator shall issue guidelines for and rules determining whether stationary sources contribute significantly to carbon monoxide levels in an area.

March 31, 1996December 31, 1995By , each State in which all or part of a Serious Area is located shall submit to the Administrator a demonstration that the area has achieved a reduction in emissions of CO equivalent to the total of the specific annual emission reductions required by . Such reductions shall be referred to in this subsection as the milestone.

A demonstration under this paragraph shall be submitted in such form and manner, and shall contain such information and analysis, as the Administrator shall require. The Administrator shall determine whether or not a State’s demonstration is adequate within 90 days after the Administrator’s receipt of a demonstration which contains the information and analysis required by the Administrator.

section 7511a(g)(4) of this titleIf a State fails to submit a demonstration under paragraph (1) within the required period, or if the Administrator notifies the State that the State has not met the milestone, the State shall, within 9 months after such a failure or notification, submit a plan revision to implement an economic incentive and transportation control program as described in . Such revision shall be sufficient to achieve the specific annual reductions in carbon monoxide emissions set forth in the plan by the attainment date.

Each State in which there is located a portion of a single nonattainment area for carbon monoxide which covers more than one State (“multi-State nonattainment area”) shall take all reasonable steps to coordinate, substantively and procedurally, the revisions and implementation of State implementation plans applicable to the nonattainment area concerned. The Administrator may not approve any revision of a State implementation plan submitted under this part for a State in which part of a multi-State nonattainment area is located if the plan revision for that State fails to comply with the requirements of this subsection.

section 7509 of this titleIf any State in which there is located a portion of a multi-State nonattainment area fails to provide a demonstration of attainment of the national ambient air quality standard for carbon monoxide in that portion within the period required under this part the State may petition the Administrator to make a finding that the State would have been able to make such demonstration but for the failure of one or more other States in which other portions of the area are located to commit to the implementation of all measures required under this section (relating to plan submissions for carbon monoxide nonattainment areas). If the Administrator makes such finding, in the portion of the nonattainment area within the State submitting such petition, no sanction shall be imposed under or under any other provision of this chapter, by reason of the failure to make such demonstration.