Air Gap

{
  "id": "MLC-T-ENV-000851",
  "term": "Air Gap",
  "field": "Environment",
  "definition": "1. An open vertical drop, or vertical empty space, that separates a drinking (potable) water supply to be protected from another water system in a water treatment plant or other location. This open gap prevents the contamination of drinking water by backsiphonage or backflow because there is no way raw water or any other water can reach the drinking water.\n\n2. Open vertical gap or empty space that separates drinking water supply to be protected from another water system in a treatment plant or other location. The open gap protects the drinking water from contamination by backflow or back siphonage.",
  "subject": "General environmental",
  "references": [
    "Drinking Water Technical & Legal Terms",
    "Terms of Environment; Federal Remediation Technologies Roundtable Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/air-gap/"
}