Direct particulate matter 2.5 emission

{
  "id": "MLC-T-ENV-008055",
  "term": "Direct particulate matter 2.5 emission",
  "field": "Environment",
  "term_source": "Direct Particulate Matter 2.5 Emission",
  "definition": "Solid particles emitted directly from an air emissions source or activity, or gaseous emissions or liquid droplets from an air emissions source or activity which condense to form particulate matter at ambient temperatures. Direct PM2.5 emissions include elemental carbon, directly emitted organic carbon, directly emitted sulfate, directly emitted nitrate, and other inorganic particles (including but not limited to crustal material, metals, and sea salt).",
  "abbreviation": "Direct PM 2.5 Emission",
  "subject": "Environmental events",
  "references": [
    "40 CFR 51.1000 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/direct-particulate-matter-2-5-emission/"
}