Lowest Observable Adverse Effect Level

{
  "id": "MLC-T-ENV-016163",
  "term": "Lowest Observable Adverse Effect Level",
  "field": "Environment",
  "definitions": [
    "The lowest level of a chemical stressor evaluated in a toxicity test that shows harmful effects on a plant or animal. While LOAELs and LOAECs are similar, they are not interchangeable. A LOAEL refers to a dose of chemical that is ingested, while a LOAEC refers to direct exposure to a chemical (e.g., through gills or the skin).",
    "The lowest level of a stressor evaluated in a toxicity test or biological field survey that has a statistically significant adverse effect on the exposed organisms compared with unexposed organisms in a control or reference site."
  ],
  "abbreviation": "LOAEL",
  "subject": [
    "Science and research",
    "Land, waste and cleanup"
  ],
  "references": [
    "Ecological Risk Assessment Glossary of Terms",
    "Waste and Cleanup Risk Assessment Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/lowest-observable-adverse-effect-level/"
}