104 STAT. 2454 PUBLIC LAW 101-549—NOV. 15, 1990 area that the Administrator has determined, under subparagraph (A), as having failed to attain and identifying the reclassification, if any, described under subparagraph (A). "(c) REFERENCES TO TERMS. — Any reference in this subpart to a 'Moderate Area' or a 'Serious Area' shall be considered a reference to a Moderate Area or a Serious Area, respectively, as classified under this section. Inter- "SEC. 187. PLAN SUBMISSIONS AND REQUIREMENTS. relTtioM^" "(a) MODERATE AREAS.—Each State in which all or part of a 42 USC 7512a. Moderate Area is located shall, with respect to the Moderate Area (or portion thereof, to the extent specified in guidance of the Administrator issued before the date of the enactment of the Clean Air Act Amendments of 1990), submit to the Administrator the State implementation plan revisions (including the plan items) described under this subsection, within such periods as are prescribed under this subsection, except to the extent the State has made such submissions as of such date of enactment: "(1) INVENTORY. — No later than 2 years from the date of the enactment of the Clean Air Act Amendments of 1990, the State shall submit a comprehensive, accurate, current inventory of actual emissions from all sources, as described in section 172(c)(3), in accordance with guidance provided by the Administrator. "(2)(A) VEHICLE MILES TRAVELED. — No later than 2 years after the date of the enactment of the Clean Air Act Amendments of 1990, for areas with a design value above 12.7 ppm at the time of classification, the plan revision shall contain a forecast of vehicle miles traveled in the nonattainment area concerned for each year before the year in which the plan projects the national ambient air quality standard for carbon monoxide to be attained in the area. The forecast shall be based on guidance which shall be published by the Administrator, in consultation with the Secretary of Transportation, within 6 months after the date of the enactment of the Clean Air Act Amendments of Reports. 1990. The plan revision shall provide for annual updates of the forecasts to be submitted to the Administrator together with annual reports regarding the extent to which such forecasts proved to be accurate. Such annual reports shall contain estimates of actual vehicle miles traveled in each year for which a forecast was required. "(B) SPECIAL RULE FOR DENVER.—Within 2 years after the date of the enactment of the Clean Air Act Amendments of 1990, in the case of Denver, the State shall submit a revision that includes the transportation control measures as required in section 182(d)(l)(A) except that such revision shall be for the purpose of reducing CO emissions rather than volatile organic compound emissions. If the State fails to include any such measure, the implementation plan shall contain an explanation of why such measure wsis 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. "(3) CONTINGENCY PROVISIONS. — No later than 2 years after the date of the enactment of the Clean Air Act Amendments of
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