Toxicological mode of action Flashcards
1
Q
LD50
A
That concentration exposure at which 50% of the population experiences death
2
Q
TLV
A
Threshold limit value is that concentration to which workers may be exposed all day without adverse effect
3
Q
TWA
A
Time weighted average allows excursions above the TLV provided they are compensated by equivalent excursions below the limit during the workday
4
Q
Toxicity exposure
A
A function of time as well as dose
5
Q
Toxicity ratings
A
Substances are rated by their LD 50 from extremely toxic to relatively harmless