Ventilation Rate

{
  "id": "MLC-T-ENV-029652",
  "term": "Ventilation Rate",
  "field": "Environment",
  "definition": "1. The rate at which indoor air enters and leaves a building. Expressed as the number of changes of outdoor air per unit of time (air changes per hour (ACH), or the rate at which a volume of outdoor air enters in cubic feet per minute (CFM).\n\n2. Alternative term for inhalation rate or breathing rate. Usually measured as minute volume, i.e., volume (liters) of air exhaled per minute.\n\n3. The rate at which outdoor air enters and leaves a building. Expressed in one of two ways: the number of changes of outdoor air per unit of time (air changes per hour, or \"ach\") or the rate at which a volume of outdoor air enters per unit of time (cubic feet per minute, or \"cfm\").",
  "abbreviation": "VR",
  "subject": "General environmental",
  "references": [
    "Terms of Environment",
    "Exposure Factors Handbook: Glossary",
    "Indoor Air Quality Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/ventilation-rate/"
}