Standard of Performance

{
  "id": "MLC-T-ENV-026561",
  "term": "Standard of Performance",
  "field": "Environment",
  "definition": "1. Standard for emissions of air pollutants which reflects the degree of emission limitation achievable through the application of the best system of emission reduction which (taking into account the cost of achieving such reduction and any nonair quality health and environmental impact and energy requirements) the Administrator determines has been adequately demonstrated, including, but not limited to a legally enforceable regulation setting forth an allowable rate or limit of emissions into the atmosphere, or prescribing a design, equipment, work practice, or operational standard, or combination thereof.[84 FR 32520; Repeal of the Clean Power Plan; Emission Guidelines for Greenhouse Gas Emissions From Existing Electric Utility Generating Units; Revisions to Emission Guidelines Implementing Regulations]\n\n2. Standard for emissions of air pollutants which reflects the degree of emission limitation achievable through the application of the best system of emission reduction which (taking into account the cost of achieving such reduction and any nonair quality health and environmental impact and energy requirements) the Administrator determines has been adequately demonstrated, including a legally enforceable regulation setting forth an allowable rate, quantity, or concentration of emissions into the atmosphere, or prescribing a design, equipment, work practice, or operational standard, or combination thereof.",
  "references": [
    "40 CFR 60.21a (CFR 2020)",
    "40 CFR 60.21a (CFR 2024)"
  ],
  "url": "https://mlchart.com/terminology/environment/standard-of-performance/"
}