MLchartDataset catalogue

Donut area

Term · Environment · MLC-T-ENV-008427

Geographic areas outside a metropolitan planning area boundary, but inside the boundary of a nonattainment or maintenance area that contains any part of a metropolitan area(s). These areas are not isolated rural nonattainment and maintenance areas.

Table 1. Record
IdentifierMLC-T-ENV-008427
FieldEnvironment
SubjectBuilt environments
References40 CFR 93.101 (CFR 2013)
Record as JSON 
{
  "id": "MLC-T-ENV-008427",
  "term": "Donut area",
  "field": "Environment",
  "term_source": "Donut Area",
  "definition": "Geographic areas outside a metropolitan planning area boundary, but inside the boundary of a nonattainment or maintenance area that contains any part of a metropolitan area(s). These areas are not isolated rural nonattainment and maintenance areas.",
  "subject": "Built environments",
  "references": [
    "40 CFR 93.101 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/donut-area/"
}

Record 8,219 of 29,894 in Environment terminology (MLC-0121). Request the full dataset.