Milestone

{
  "id": "MLC-T-ENV-017303",
  "term": "Milestone",
  "field": "Environment",
  "definition": "1. Meaning given in CAA sections 182(g)(1) and 189(c) for serious and above ozone nonattainment areas and PM10 nonattainment areas, respectively. For all other nonattainment areas, a milestone consists of an emissions level and the date on which that level is to be achieved as required by the applicable CAA provision for reasonable further progress towards attainment.\n\n2. Milestone has the meaning given in sections 182(g)(1) and 189(c)(1) of the Act.\n\n3. Reductions in emissions required to be achieved pursuant to section 182(b)(1) and the corresponding requirements in section 182(c)(2) (B) and (C), 182(d), and 182(e) of the Act for O3 nonattainment areas, as well as the reduction in emissions of CO equivalent to the total of the specified annual emissions reductions required by December 31, 1995, pursuant to section 187(d)(1).\n\n4. Enforceable date by which action, or the occurrence of an event, is required for purposes of achieving compliance with the 20 pCi/ m2¥s flux standard.",
  "references": [
    "40 CFR 93.101 (CFR 2013)",
    "40 CFR 93.152 (CFR 2013)",
    "40 CFR 51.491 (CFR 2013)",
    "40 CFR 192.31 (CFR 2019)"
  ],
  "url": "https://mlchart.com/terminology/environment/milestone/"
}