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Threshold Limit Values

"Threshold Limit Values" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

MeSH information
Definition  |  Details  |  More General Concepts  |  Related Concepts  |  More Specific Concepts
Standards for limiting worker exposure to airborne contaminants. They are the maximum concentration in air at which it is believed that a particular substance will not produce adverse health effects with repeated daily exposure. It can be a time-weighted average (TLV-TWA), a short-term value (TLV-STEL), or an instantaneous value (TLV-Ceiling). They are expressed either as parts per million (ppm) or milligram per cubic meter (mg/m3).


publications
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This graph shows the total number of publications written about "Threshold Limit Values" by people in Harvard Catalyst Profiles by year, and whether "Threshold Limit Values" was a major or minor topic of these publication.
Bar chart showing 7 publications over 6 distinct years, with a maximum of 2 publications in 2010
To see the data from this visualization as text, click here.
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Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.