No-observed-effect concentration

{
  "id": "MLC-T-CHM-008062",
  "term": "No-observed-effect concentration",
  "field": "Chemistry",
  "definition": "The highest concentration of a substance in an environmental medium (e.g., water, soil) at which no statistically significant adverse effects are observed in a test population compared to a control group. This value is derived from ecotoxicological studies and is used to assess the environmental risk of chemicals. It is often abbreviated as NOEC.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "maximum acceptable toxicant concentration"
  ],
  "references": [
    "PAC, 2009, 81, 829. 'Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)' on page 921 (https://doi.org/10.1351/PAC-REC-08-07-09)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/no-observed-effect-concentration/"
}