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time-weighted average (TWA) definition
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in safety
threshold
limit values, the time-weighted average
concentration
for a normal 8-hour workday and a 40-hour workweek, to which nearly all workers
may
be repeatedly exposed, day after day, without adverse effect. [SEMI S2-93]
See also:
titration definition
time-weighted average (TWA) definition
tetrapyrroles definition
thiazynes definition
Tetrahedron definition
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