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Participant weekend sampling schedule. Weekend sampling (n=13) |
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| Week |
Monday |
. . . |
Friday |
|
|
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| 1 |
Breath Sample PM |
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| Urine Specimen PM |
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|
|
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| 2 |
Breath Sample AM |
Breath Sample PM |
|
| Urine Specimen AM |
Urine Specimen PM |
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|
|
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| 3 |
Breath Sample AM |
Breath Sample PM |
|
| Urine Specimen AM |
Urine Specimen PM |
||
|
|
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| 4 |
Breath Sample AM |
||
| Urine Specimen AM |
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AM = morning specimen collected at home (urine) or just before entering the facility (breath). PM = afternoon specimens collected at the end of the workday inside (urine) and outside (breath) the facility. Not all participants were sampled in four consecutive weeks | |||
McKernan et al. Environmental Health 2008 7:12 doi:10.1186/1476-069X-7-12 |
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