Half maximal effective concentration: dose required for 50% effect.
Median lethal concentration: concentration in air or water required to kill 50% of subjects.
Median lethal dose: amount of substance required to kill 50% of test subjects.
Lowest Observed Adverse Effect Level.
Lowest Observed Effect Level.
No Observed Adverse Effect Level.
No Observed Effect Level.
Median toxic dose: dose at which toxicity occurs in 50% of cases.
Standard toxicity metrics used to quantify the lethal or effective dose of a chemical.