Question
What are TLVs? Mention their significance in occupational toxicology
Answer :
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TLVs (Threshold Limit Values) are defined as the concentration levels of hazardous substances in the air that workers can be exposed to over a specified time period without experiencing adverse health effects. These values are set by organizations such as the American Conference of Governmental and Industrial Hygienists (ACGIH) and are designed to protect workers from potential short-term or long-term toxic effects. TLVs are typically categorized into three types: Time-Weighted Average (TWA), Short-Term Exposure Limit (STEL), and Ceiling (C), each representing different exposure durations and thresholds.
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