Cupola Shutdown

{
  "id": "MLC-T-ENV-007096",
  "term": "Cupola Shutdown",
  "field": "Environment",
  "definition": "Period beginning when the last of the molten metal is tapped from the cupola's primary tap hole and ending when the cupola is cooled and the cupola is either banked or the bottom contents are removed (“bottom drop”). Cupola shutdown includes the following steps: slag and residual metal removal from secondary tap; cupola cooling; and cupola banking or bottom drop.",
  "references": [
    "85 FR 56080; 40 CFR 63.7765 (CFR 2021)"
  ],
  "url": "https://mlchart.com/terminology/environment/cupola-shutdown/"
}