Heel (Residuals)

{
  "id": "MLC-T-ENV-013123",
  "term": "Heel (Residuals)",
  "field": "Environment",
  "definition": "1. Any material remaining in a tank following unloading, delivery, or discharge of the transported cargo. Heels may also be referred to as container residue, residual materials or residuals.\n\n2. Amount of gas that remains in a shipping container after it is discharged or off-loaded (that is no more than ten percent of the volume of the container).\n\n3. Amount of gas that remains in a gas container after it is discharged or off-loaded; heel may vary by container type.\n\n4. Amount of a controlled substance that remains in a container after it is discharged or off-loaded (that is no more than ten percent of the volume of the container).\n\n5. Residual amount of a substance that remains in a container after it is discharged or offloaded. By law, a heel can be no more than ten percent of the volume of the container. The person importing the heel must certify that the residual amount will remain in the container and be included in a future shipment, or be recovered for transformation, destruction, or a non-emissive purpose.\n\n6. Amount of a regulated substance that remains in a container after the container is discharged or offloaded (that is no more than 10 percent of the volume of the container).",
  "references": [
    "40 CFR 442.2 (CFR 2013)",
    "40 CFR 98.6 (CFR 2013)",
    "40 CFR 98.98 (CFR 2013)",
    "40 CFR 82.3 (CFR 2013)",
    "Ozone Layer Protection Glossary",
    "40 CFR 84.3 (CFR 2022)"
  ],
  "url": "https://mlchart.com/terminology/environment/heel-residuals/"
}