Question 39Safety & Environmental - Assistant Engineer

The correct answer is C) threshold limit value. The threshold limit value (TLV) is the highest concentration of a harmful substance to which a person may be exposed without danger to health. The TLV is a regulatory standard established by organizations like the American Conference of Governmental Industrial Hygienists (ACGIH) to define safe exposure limits for various substances in the workplace. The other options are incorrect because: A) Vapor pressure refers to the pressure exerted by a vapor in equilibrium with its liquid or solid form, not a measure of safe exposure. B) Tolerance point is not a standard regulatory term for safe exposure limits. D) Odor threshold refers to the minimum concentration at which a substance can be detected by smell, not the maximum safe exposure level.