Harvard Catalyst Profiles

Contact, publication, and social network information about Harvard faculty and fellows.

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.

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).


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 9 publications over 9 distinct years, with a maximum of 1 publications in 2001 and 2004 and 2005 and 2007 and 2009 and 2012 and 2014 and 2015 and 2016
To see the data from this visualization as text, click here.
Related Networks
People
Explore
_
Similar Concepts
_
Top Journals 
_
Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.