The maximum exposure to a biologically active physical or chemical agent that is allowed during an 8-hour period (a workday) in a population of workers, or during a 24-hour period in the general population, which does not appear to cause appreciable harm, whether immediate or delayed for any period, in the target population. (From Lewis Dictionary of Toxicology, 1st ed)
Threshold limit values (Industrial toxicology) -- Australia. : Exposure standards for atmospheric contaminants in the occupational environment : guidance note on the interpretation of exposure standards for atmospheric contaminants in the occupational environment : adopted national exposure standards for atmospheric contaminants in the occupational environment : proposed national exposure standards for atmospheric contaminants in the occupational environment / National Occupational Health and Safety Commission
Threshold limit values Solvents : Review of DOD's approach to deriving an occupational exposure level for trichloroethylene / Committee to Review DOD's Approach to Deriving an Occupational Exposure Limit for TCE, Board on Environmental Studies and Toxicology, Division on Earth and Life Studies
2019
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Threshold limit values Trichloroethylene : Review of DOD's approach to deriving an occupational exposure level for trichloroethylene / Committee to Review DOD's Approach to Deriving an Occupational Exposure Limit for TCE, Board on Environmental Studies and Toxicology, Division on Earth and Life Studies
Threshold Smell Tables : Compilation of odor and taste threshold values data / Sponsored by Committee E-18 on Sensory Evaluation of Materials and Products, American Society for Testing and Materials. Edited by W.H. Stahl
1973
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Threshold Taste : Taste thresholds of monochloramine and chlorine in water / Roger O'Halloran and Csaba Veres
Threshold Taste Tables : Compilation of odor and taste threshold values data / Sponsored by Committee E-18 on Sensory Evaluation of Materials and Products, American Society for Testing and Materials. Edited by W.H. Stahl
The smallest difference which can be discriminated between two stimuli or one which is barely above the threshold
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Thresholds (Doorsills) : Crossing the threshold : architecture, iconography and the sacred entrance / Madeleine Mumcuoglu and Yosef Garfinkel
2018
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Thresholds (Doorsills) -- History : Crossing the threshold : architecture, iconography and the sacred entrance / Madeleine Mumcuoglu and Yosef Garfinkel
Thriftiness -- United States -- History : Thrift in America : capitalism and moral order from the Puritans to the present / edited by Joshua J. Yates, James Davison Hunter
Thrill of the grass Kinsella, W P : Short stories for students. Volume 30 : presenting analysis, context, and criticism on commonly studied short stories / Sara Constantakis, project editor