Question

 

What are TLVs? Mention their significance in occupational toxicology.

18 Dec 2025
Answer :
Word Count : 258
Threshold Limit Values (TLVs) are guideline values established to indicate the level of exposure to chemical substances and physical agents in the workplace that most workers can be exposed to repeatedly without adverse health effects. These values are developed by organizations such as the American Conference of Governmental Industrial Hygienists (ACGIH) and are intended for occupational settings, providing guidance for safe exposure limits. TLVs are typically expressed in terms of airborne concentration of substances, measured in parts per million (ppm) or milligrams per cubic meter
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