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Table 2 Participant weekend sampling schedule. Weekend sampling (n=13)

From: Biological exposure assessment to tetrachloroethylene for workers in the dry cleaning industry

Week

Monday

. . .

Friday

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

  
  1. AM = morning specimen collected at home (urine) or just before entering the facility (breath).
  2. PM = afternoon specimens collected at the end of the workday inside (urine) and outside (breath) the facility.
  3. Not all participants were sampled in four consecutive weeks
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Environmental Health

ISSN: 1476-069X