Threshold Limit Value - Time Weighted Average

Threshold Limit Value - Time Weighted Average (TLV-TWA) or Threshold Limit Value - Time Weighted Average, is the value environmental limit published by the ACGIH (American Conference of Governmental Industrial Hygienists); are defined as the "time-weighted average concentration, for a normal 8-hour workday and a 40-hour workweek, to which nearly all workers can be exposed repeatedly day after day, without adverse effects. adverse".

Similar concepts

The TLV can be considered equivalent to the following concepts:

• Germany
  • AGW (Arbeitsplatzgrenzwert)
  • MAK (Maximale Arbeitsplatz-Konzentration)
• Australia
  • OES (Occupational Exposure Standard)
• Argentina
  • CMP (Maximum Permissible Concentration)
• Spain
  • VLA-ED (Daily environmental exposure limit value)
• United States
  • WEEL (Workplace environmental exposure level) created by the committee of the American Association of Industrial Hygiene (AIHA)
• France
  • VME (Valeur Moyenne d'Exposition)
  • VLE (Valeur Limite d'Exposition)
• Netherlands
  • MAC (Maximaal Aanvaarde Concentratie)
• Malaysia
  • PEL (Permissible exposure limit)
• Mexico
  • VLE-PPT (Value weighted average exposure time)
• Poland
  • NDN (Najwyższe Dopuszczalne Natężenie)
• Russia
  • ПDIК (предельно допустимая концентрация)