Incipient LC₅₀

{
  "id": "MLC-T-CHM-005759",
  "term": "Incipient LC₅₀",
  "field": "Chemistry",
  "definition": "The concentration of a toxic substance in the surrounding medium that is lethal to 50% of a test population when exposure is prolonged indefinitely. This value represents the threshold concentration below which a substance is not acutely lethal, even with extended exposure. It is determined by observing the mortality rate over time until it stabilizes.",
  "subject": "Chemistry and Human Health",
  "references": [
    "PAC, 2009, 81, 829. 'Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)' on page 899 (https://doi.org/10.1351/PAC-REC-08-07-09)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/incipient-lc50/"
}