PUBLIC LAW 101-549—NOV. 15, 1990 104 STAT. 2463 "(f) PM-10 INCREMENTS.— The Administrator is authorized to substitute, for the maximum allowable increases in particulate matter specified in section 163(b) and section 165(d)(2)(C)(iv), maximum allowable increases in particulate matter with an aerodynamic diameter smaller than or equal to 10 micrometers. Such substituted maximum allowable increases shall be of equal stringency in effect as those specified in the provisions for which they are substituted. Until the Administrator promulgates regulations under the authority of this subsection, the current msiximum allowable increases in concentrations of particulate matter shall remain in effect.". SEC. 106. ADDITIONAL PROVISIONS FOR AREAS DESIGNATED NON- ATTAINMENT FOR SULFUR OXIDES, NITROGEN DIOXIDE, AND LEAD. Part D of title I of the Clean Air Act is amended by adding a new subpart after subpart 4 as follows: "Subpart 5—Additional Provisions for Areas Designated Nonattainment for Sulfur Oxides, Nitrogen Dioxide, or Lead "Sec. 191. Plan submission deadlines. "Sec. 192. Attainment dates. "SEC. 191. PLAN SUBMISSION DEADLINES. "(a) SUBMISSION. —Any State containing an area designated or redesignated under section 107(d) as nonattainment with respect to the national primary ambient air quality standards for sulfur oxides, nitrogen dioxide, or lead subsequent to the date of the enactment of the Clean Air Act Amendments of 1990 shall submit to the Administrator, within 18 months of the designation, an applicable implementation plan meeting the requirements of this part. "(b) STATES LACKING FULLY APPROVED STATE IMPLEMENTATION PLANS.—Any State containing an area designated nonattainment with respect to national primary ambient air quality standards for sulfur oxides or nitrogen dioxide under section 107(d)(l)(C)(i), but lacking a fully approved implementation plan complying with the requirements of this Act (including part D) as in effect immediately before the date of the enactment of the Clean Air Act Amendments of 1990, shall submit to the Administrator, within 18 months of the date of the enactment of the Clean Air Act Amendments of 1990, an implementation plan meeting the requirements of subpart 1 (except as otherwise prescribed by section 192). "SEC. 192. ATTAINMENT DATES. "(a) PLANS UNDER SECTION 191(a). —Implementation plans required under section 191(a) shall provide for attainment of the relevant primary standard as expeditiously as practicable but no later than 5 years from the date of the nonattainment designation. "(b) PLANS UNDER SECTION 191(b). —Implementation plans required under section 191(b) shall provide for attainment of the relevant primary national ambient air quality stamdard within 5 years after the date of the enactment of the Clean Air Act Amendments of 1990. "(c) INADEQUATE PLANS. —Implementation plans for nonattainment areas for sulfur oxides or nitrogen dioxide with plans that were approved by the Administrator before the date of the enact- Intergovernmental relations. 42 USC 7514. 42 USC 7514a.
�
