4-Day Lethal Concentration 50 Percent

{
  "id": "MLC-T-ENV-000072",
  "term": "4-Day Lethal Concentration 50 Percent",
  "field": "Environment",
  "definition": "Applied to the sediment toxicity BAT effluent limitations and NSPS means the concentration (milligrams/kilogram dry sediment) of the drilling fluid in sediment that is lethal to 50 percent of the Leptocheirus plumulosus test organisms exposed to that concentration of the drilling fluids after four days of constant exposure.",
  "abbreviation": "4-day LC",
  "synonyms": [
    "4-Day LC5"
  ],
  "subject": "Regulatory activities",
  "references": [
    "40 CFR 435.11 (CFR 2017)"
  ],
  "url": "https://mlchart.com/terminology/environment/4-day-lethal-concentration-50-percent/"
}