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J Occup Environ Med. 2011 Mar;53(3):324-8. doi: 10.1097/JOM.0b013e31820d1314.

Perfluoroalkyl acids including perfluorooctane sulfonate and perfluorohexane sulfonate in firefighters.

Author information

1
Institute for Occupational and Environmental Health and West Virginia University School of Medicine, Department of Community Medicine, Morgantown, WV 26506, USA. cjin@hsc.wvu.edu

Abstract

OBJECTIVE:

Firefighters were likely exposed to perfluorooctane sulfonate since it was a component of extinguishing foams and perfluorohexane sulfonate (PFHxS), a surfactant coating carpet and other building materials, during firefighting. The objective of the study is to evaluate serum concentrations of perfluoroalkyl acids (PFAAs) in firefighters.

METHODS:

A total of 8826 male adults, including 37 firefighters, were analyzed. Multivariate analysis was conducted by using a general linear model. The least square mean of serum PFAAs was obtained after adjustment for demographic and socioeconomic variables.

RESULTS:

Serum concentration of PFHxS was statistically higher in firefighters both before and after adjustment. Perfluorooctane sulfonate and perfluorononanoic acid were also found higher in firefighters, though not statistically significant.

CONCLUSIONS:

The study suggests that fighting fire can be a risk of exposure to PFAAs, specifically PFHxS.

PMID:
21346631
DOI:
10.1097/JOM.0b013e31820d1314
[Indexed for MEDLINE]
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