Minor Source

{
  "id": "MLC-T-ENV-017465",
  "term": "Minor Source",
  "field": "Environment",
  "definition": "1. New emissions sources or modifications to existing emissions sources that do not exceed NAAQS emission levels.\n\n2. A facility site that does not qualify as a major source.\n\n3. For purposes of this rule, a source, not including the exempt emissions units and activities listed in § 49.153(c), that has the potential to emit regulated NSR pollutants in amounts that are less than the major source thresholds in § 49.167 or § 52.21 of this chapter, as applicable, but equal to or greater than the minor NSR thresholds in § 49.153. The potential to emit includes fugitive emissions, to the extent that they are quantifiable, only if the source belongs to one of the source categories listed in part 51, Appendix S, paragraph II.A.4(iii) or § 52.21(b)(1)(iii) of this chapter, as applicable.",
  "subject": "Air",
  "references": [
    "Terms of Environment",
    "Emissions Inventory System Glossary",
    "40 CFR 49.152 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/minor-source/"
}