Ductwork

{
  "id": "MLC-T-ENV-008722",
  "term": "Ductwork",
  "field": "Environment",
  "definition": "1. Conveyance system such as those commonly used for heating and ventilation systems. It is often made of sheet metal and often has sections connected by screws or crimping. Hard-piping is not ductwork. [40 CFR 63.981 (CFR 2013)] [40 CFR 65.2 (CFR 2013)][40 CFR 60.481 (CFR 2013)] [40 CFR 60.481a (CFR 2013)][40 CFR 63.1251 (CFR 2013)] [40 CFR 63.1361 (CFR 2013)] [40 CFR 60.481b (CFR 2024)]\n\n2. Conveyance system such as those commonly used for heating and ventilation systems. It is often made of sheet metal and often has sections connected by screw or crimping. Hard-piping is not ductwork.",
  "references": [
    "40 CFR 63.101 (CFR 2024)",
    "40 CFR 60.5430b (CFR 2024)"
  ],
  "url": "https://mlchart.com/terminology/environment/ductwork/"
}