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
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
This graph shows the total number of publications written about "Threshold Limit Values" by people in this website by year, and whether "Threshold Limit Values" was a major or minor topic of these publications.
Bar chart showing 1 publications over 1 distinct years, with a maximum of 1 publications in 2018
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