treshold limit value
- Guideline or reference source
- ICHQ3D Guideline for elemental impurities
- Definition
- The concentration in air to which it is believed that most workers can be exposed daily without an adverse effect (i.e., effectively, the threshold between safe and dangerous concentrations). The values were established (and are revised annually) by the ACGIH and are time-weighted concentrations (TWA) for a 7- or 8-hour workday and 40-hour workweek, and thus are related to chronic effects.
- Abbreviation for
- TLV
- Related Term
- air monitoring
- treshold
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