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2824504 
Journal Article 
Biomonitoring in California firefighters: Metals and perfluorinated chemicals 
Dobraca, D; Israel, L; Mcneel, S; Voss, R; Wang, M; Gajek, R; Park, JS; Harwani, S; Barley, F; She, J; Das, R 
2015 
Yes 
Journal of Occupational and Environmental Medicine
ISSN: 1076-2752
EISSN: 1536-5948 
57 
88-97 
English 
OBJECTIVE: To assess California firefighters' blood concentrations of selected chemicals and compare with a representative US population.

METHODS: We report laboratory methods and analytic results for cadmium, lead, mercury, and manganese in whole blood and 12 serum perfluorinated chemicals in a sample of 101 Southern California firefighters.

RESULTS: Firefighters' blood metal concentrations were all similar to or lower than the National Health and Nutrition Examination Survey (NHANES) values, except for six participants whose mercury concentrations (range: 9.79 to 13.42 μg/L) were close to or higher than the NHANES reporting threshold of 10 μg/L. Perfluorodecanoic acid concentrations were elevated compared with NHANES and other firefighter studies.

CONCLUSIONS: Perfluorodecanoic acid concentrations were three times higher in this firefighter group than in NHANES adult males. Firefighters may have unidentified sources of occupational exposure to perfluorinated chemicals. 
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