No Observed Adverse Effects Level

{
  "id": "MLC-T-ENV-018704",
  "term": "No Observed Adverse Effects Level",
  "field": "Environment",
  "definition": "The highest level of a chemical stressor in a toxicity test that did not cause harmful effect in a plant or animal. While NOAELs and NOAECs are similar, they are not interchangeable. A NOAEL refers to a dose of chemical that is ingested, while a NOAEC refers to direct exposure to a chemical (e.g., through gills or the skin).",
  "abbreviation": "NOAEL",
  "subject": "Science and research",
  "references": [
    "Ecological Risk Assessment Glossary of Terms"
  ],
  "url": "https://mlchart.com/terminology/environment/no-observed-adverse-effects-level/"
}