Lethal concentration definition

Lethal concentration or "LC50" means the toxicant concentration killing 50 percent of the exposed organisms in a specific time of observation.
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Lethal concentration means the median lethal concentration level, at which 50 percent of appropriate test animals die when exposed by inhalation for a scientifically appropriate specified time period.
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Examples of Lethal concentration in a sentence

  • KSt: Explosion coefficient.LC50: Lethal concentration, for 50 percent of test population.

  • GefStoffVO: Ordinance on Hazardous Substances, Germany.LC50: Lethal concentration, for 50 percent of test population.

  • Refers to with oral or dermal.LC50: Lethal concentration, 50 percent.

  • IMDG: International Maritime Code for Dangerous Goods.INCI: International Nomenclature of Cosmetic Ingredients.IRCCS: Scientific Institute for Research, Hospitalization and Health Care KAFH: KAFHKSt: Explosion coefficient.LC50: Lethal concentration, for 50 percent of test population.

  • EC50: Half maximal effective concentration.LC10: Lethal concentration at 10% mortality rate.

  • LD50: Lethal dose, for 50 percent of test population.LDLo: Lethal Dose LowLC0: Lethal concentration, for 0 percent of test population.

  • KAFH: KAFHKSt: Explosion coefficient.LC50: Lethal concentration, for 50 percent of test population.

  • LC50: Lethal concentration for 50% of a test population.EC50: The concentration of a substance that affects 50% of a population over a given period of time.

  • Appendix 2C: Glossary for environmental section Acute toxicity testsShort-term tests (e.g. 48 to 96 hours’ duration) from which an acute endpoint (LC50 or EC50) can be derived (50% Lethal concentration or 50% effect on growth concentration, for example).Adsorption / desorptionAdsorption to desorption from solid surfaces is the main partitioning process that drives distribution in soil, surface waters, and sediments.

  • LC50: Lethal concentration for 50 percent of the test population.

Related to Lethal concentration

  • Alcohol concentration means the number of grams of alcohol per:

  • Net concentration means the difference between the concentration of a given substance in a sample taken of the discharge and the concentration of the same substances in a sample taken at the intake which supplies water to the given process. For the purpose of this definition, samples that are taken to determine the net concentration shall always be 24-hour composite samples made up of at least six increments taken at regular intervals throughout the plant day.

  • Background concentration means such concentration of that substance as is present in:

  • Derived air concentration (DAC) means the concentration of a given radionuclide in air which, if breathed by the reference man for a working year of 2,000 hours under conditions of light work, results in an intake of one ALI. For purposes of these regulations, the condition of light work is an inhalation rate of 1.2 cubic meters of air per hour for 2,000 hours in a year. DAC values are given in Part 4, Appendix 4B, Table 4B1, Column 3.

  • iron ore concentrates means products (whether in pellet or other form) resulting from secondary processing but does not include metallised agglomerates;

  • Marijuana concentrate means any type of marijuana product consisting wholly or in part of

  • Cannabis concentrate means cannabis that has undergone a process to concentrate one or more active cannabinoids, thereby increasing the product’s potency. Resin from granular trichomes from a cannabis plant is a concentrate for purposes of this division. A cannabis concentrate is not considered food, as defined by Section 109935 of the Health and Safety Code, or a drug, as defined by Section 109925 of the Health and Safety Code.

  • Excess Concentration Amount means, as of any date of determination on which any one or more of the Concentration Limitations are exceeded, an amount (calculated by the Servicer and without duplication) equal to the Dollar Equivalent of the portion of the Adjusted Principal Balance of each Eligible Collateral Loan that causes such Concentration Limitation to be exceeded.

  • Residual disinfectant concentration means the concentration of disinfectant measured in mg/L in a representative sample of water.

  • Obligor Concentration Limit At any time, in relation to the aggregate Unpaid Balance of Receivables owed by any single Obligor and its Affiliated obligors (if any):

  • Medical marijuana concentrate means a specific subset of Medical Marijuana that was produced by extracting Cannabinoids from Medical Marijuana. Categories of Medical Marijuana Concentrate include Water-Based Medical Marijuana Concentrate, Food-Based Medical Marijuana Concentrate, Solvent-Based Medical Marijuana Concentrate, and Heat/Pressure- Based Medical Marijuana Concentrate.

  • Materials of Environmental Concern any gasoline or petroleum (including crude oil or any fraction thereof) or petroleum products or any hazardous or toxic substances, materials or wastes, defined or regulated as such in or under any Environmental Law, including asbestos, polychlorinated biphenyls and urea-formaldehyde insulation.