Chemistry:Lethal concentration low

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In toxicology, the LCLo is the lowest concentration of a chemical, given over a period of time, that results in the fatality of an individual animal. LCLo is typically for an acute (<24 hour) exposure.[1][2] It is related to the LC50, the median lethal concentration. The LCLo is used for gases and aerosolized material.[3]

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