Question

define TLV? full defination

Answer 1

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The threshold limit value (TLV) of a chemical substance is believed to be a level to which a worker can be exposed day after day for a working lifetime without adverse effects. Strictly speaking, TLV is a reserved term of the American Conference of Governmental Industrial Hygienists (ACGIH).

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Answer 2

Answer:

Threshold limit value (TLV) – time-weighted average (TWA) represents the time-weighted average concentration of a toxic substance over a normal 8-h workday and 40-h workweek, to which nearly all workers may be repeatedly exposed, every day, without adverse health effects.