TLV 08
TLV 08 : Threshold Limit Value. An estimate of the average safe airborne concentration of a substance which represents conditions under which it is believed that nearly all workers may be repeatedly exposed to dayafter-day without adverse effect. The TLV values are published yearly by the ACGIH in the TLV booklet. TLV values should be prefaced with the year issued. TLV is a trademark of ACGIH