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Fig. 1 | Environmental Health

Fig. 1

From: Can profiles of poly- and Perfluoroalkyl substances (PFASs) in human serum provide information on major exposure sources?

Fig. 1

Measured PFAS concentrations in sera from Faroese individuals collected between 2004 and 2007. Horizontal lines on the boxplot represent the 25th, 50th and 75th percentiles, and whiskers extend to the highest and lowest value within 1.5 times interquartile range. Different letters above box-and-whisker plots indicate significant differences among Faroese demographic groups (Tukey HSD test, α = 0.05). Black horizontal lines indicate level of detection (LOD) for each compound. Concentrations below LOD were included as LOD multiplied by 1/√2

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