Toxicity exposure ratio

{
  "id": "MLC-T-CHM-012166",
  "term": "Toxicity exposure ratio",
  "field": "Chemistry",
  "definition": "A ratio comparing the no-observed-effect concentration (NOEC) or a similar toxicity endpoint of a substance to its predicted environmental concentration (PEC). This ratio is used in ecological risk assessment to evaluate the potential for adverse effects on organisms in an ecosystem. A ratio greater than one generally indicates a lower risk.",
  "subject": "Chemistry and Human Health",
  "references": [
    "PAC, 2007, 79, 1153. 'Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)' on page 1325 (https://doi.org/10.1351/pac200779071153)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/toxicity-exposure-ratio/"
}