threshold limit value


ECSS-E-ST-35-06C Rev.2


maximum average daily dosage, based on an 8-h day, 5-day week, to which an average worker may be exposed to hazardous chemicals without harmful effect


  • NOTE 1 The TLV is a time-weighted average concentration.
  • NOTE 2 The TLV is normally expressed in parts of the gas or vapour in micro litres per litre.
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