Mill Tailings

{
  "id": "MLC-T-ENV-017327",
  "term": "Mill Tailings",
  "field": "Environment",
  "definition": "1. Residue from milling processes (e.g., flotation tailings, gravity tailings, leach tailings, etc.).\n\n2. Rock that remains after processing ore to remove the valuable minerals.\n\n3. Residue of raw material or waste separated out during the processing of crops or minerals.\n\n4. Remaining portion of a metal-bearing ore after some or all of a metal, such as uranium, has been extracted. [Radiation Protection Radiation Glossary]\n\n5. Waste produced by the extraction or concentration of uranium from any ore processed primarily for its source material content. Ore bodies depleted by uranium solution extraction and which remain underground do not constitute byproduct material for the purposes of this subpart.",
  "references": [
    "EPA Abandoned Mite Site Characterization and Cleanup Handbook; Appendix A: Acronym List and Glossary of Mining Terms at http://www.epa.gov/superfund/policy/remedy/pdfs/appendix.pdf",
    "USGS National Water-Quality Assessment (NAWQA) Program Glossary",
    "Abandoned Mine Lands (AML) Glossary",
    "40 CFR 192.01 (CFR 2018)",
    "40 CFR 61.251 (CFR 2018)"
  ],
  "url": "https://mlchart.com/terminology/environment/mill-tailings/"
}