From: Biological exposure assessment to tetrachloroethylene for workers in the dry cleaning industry
Week | Monday | . . . | Friday |
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1 | Breath Sample PM | ||
Urine Specimen PM | |||
2 | Breath Sample AM | Breath Sample PM | |
Urine Specimen AM | Urine Specimen PM | ||
3 | Breath Sample AM | Breath Sample PM | |
Urine Specimen AM | Urine Specimen PM | ||
4 | Breath Sample AM | ||
Urine Specimen AM |