NALT

Preferred term

lethal concentration 50

Topic

Concentration of a material in the air that kills 50% of the test animals when administered as a single exposure in a specific time period (usually 1 hour); a common measure of acute toxicity of vapors, dusts, mists and gases. Note that lethal concentration values are used when the route of administration is by inhalation. LC values are often expressed as parts of material per million parts of air (ppm). Compare "lethal dose 50".

LC 50
LC-50
LC50
lethal concentration-50
median lethal concentration
population critical concentration 50

Field 001 in MARC Authority Format

51744

Spanish

concentración letal 50
CL 50 (concentración letal 50)
concentración letal media
concentración letal mediana

URI

https://lod.nal.usda.gov/nalt/68545

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Created 10/23/06, last modified 2/15/18