For Threshold Limit Value (TLV) we have terms and definitions in 2 topics. The topics are Environment and Ozone Protection.

Threshold Limit Value (Tlv) (Environment)

The concentration of an airborne substance to which an average person can be repeatedly exposed without adverse effects. TLVs may be expressed in three ways

Threshold Limit Value (Tlv) (Ozone Protection)

An inhalation time-weighted average exposure level safety limit normally established by the American Conference of Governmental and Industrial Hygienists (ACGIH). Toxicity is characterized in terms of Threshold Limit Values (TLVs) which "represents conditions under which it is believed that nearly all workers can be repeatedly exposed day after day without adverse effects" /ACG90/. For volatile substances, such as refrigerants, TLVs are expressed as parts per million volume concentrations in air (ppm).

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