LD (50) (30) is the radiation required to
Ans) a (Kill 50% of the ...30days) Ref park 20th edThe median lethal dose, LD50 (abbreviation for "Lethal Dose, 50%"), LC50 (Lethal Concentration, 50%) or LCt.50 (Lethal Concentration & Time) of a toxic substance or radiation is the dose required to kill half the members of a tested population. LD50 figures are frequently used as a general indicator of a substance's acute toxicity.The related quantities LD50/30 or an LD50/60 are used to refer to a dose that without treatment will be lethal to 50% of the population wiihin (respectively) 30 or 60 days. These measures are used more commonly withinRadiation Health Physics, as survival beyond 60 days usually results in recovery.
Environment and Health
Kill 50% of the animals in 30 days
Kill 30% of the ani? .5s in 50 days
Kill 50% of the animals in 50 days
Kill 30% of the animals in 30 days
Kill 50% of the animals in 30 days