Hazardous Substance Source

{
  "id": "MLC-T-ENV-012935",
  "term": "Hazardous Substance Source",
  "field": "Environment",
  "definition": "Any area where a hazardous substance has been deposited, stored, disposed, or placed, plus those soils that have become contaminated from migration of a hazardous substance. Sources do not include those volumes of air, ground water, surface water, or surface water sediments that have become contaminated by migration, except: in the case of either a ground water plume with no identified source or contaminated surface water sediments with no identified source, the plume or contaminated sediments may be considered a source.",
  "references": [
    "40 CFR Appendix A to Part 300 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/hazardous-substance-source/"
}