No-response level

{
  "id": "MLC-T-CHM-008066",
  "term": "No-response level",
  "field": "Chemistry",
  "definition": "The concentration or dose of a substance at which no measurable biological response or effect is observed in a test organism or population. This level indicates the threshold below which a substance is considered to have no impact. It is determined through dose-response experiments and is used in risk assessment.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "population"
  ],
  "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-response-level/"
}