Validation of Passive Samplers for Accurate, Long-Term, Time-Weighted Air Concentrations in Manhole Environments with Potentially Time-Variable Volatile Organic Air Contaminant Concentrations

Earth & Environmental Sciences

1. sampler 100%
2. pollutant 62%
3. air 57%
4. sampling 48%
5. relative humidity 33%
6. indoor air 21%
7. volatile organic compound 17%
8. temperature 14%
9. project 14%
10. protocol 12%
11. plume 12%
12. school 10%
13. air sampling 9%
14. risk factor 8%
15. documentation 7%
16. engineering 7%
17. tunnel 7%
18. cost 6%
19. infrastructure 5%
20. organization 5%
21. method 5%