Threshold Limit Value 04


Threshold Limit Value 04 : (Toxicol; Abb: TLV) Concentrations of airborne substances to which it is believed that nearly all workers may be repeatedly exposed without adverse effect. These values may be breathed continually for 8 hours per day without harm. Note: Threshold limits should be used as guides in the control of health hazards and should not be regarded as fine lines between safe and dangerous concentrations
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