Gasholder

{
  "id": "MLC-T-ENV-012073",
  "term": "Gasholder",
  "field": "Environment",
  "definition": "Surge control vessel with a bell that is floating in a vessel filled with water that is used to store gases from the PVC production process prior to being recovered or sent to a process vent control device. The bell rises and falls as low-pressure gases enter and leave the space beneath the bell and the water provides a seal between the enclosed gas within the floating bell and the ambient air.",
  "references": [
    "40 CFR 63.12005 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/gasholder/"
}