Chart 2
Average concentrations of select perfluoroalkyl substances in Canadians aged 20 to 79, Canadian Health Measures Survey, Cycle 1 (2007 to 2009), Cycle 2 (2009 to 2011) and Cycle 5 (2016 and 2017)

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Note(s):
Concentrations presented as a geometric mean. Perfluoroalkyl substances were measured in blood. Cycle 1 was measured in people aged 20 to 79. Cycle 2 was measured in people aged 12 to 79, while Cycle 5 was measured in people aged 3 to 79. Data are presented for participants aged 20 to 79 years. Results are rounded to two significant digits. All results are displayed with the same number of decimal places and, therefore, some results have additional trailing zeros, which implies a greater level of precision.
Source(s):
Canadian Health Measures Survey (5071).

Chart description


This is a bar clustered chart.

Average concentrations of select perfluoroalkyl substances in Canadians aged 20 to 79, Canadian Health Measures Survey, Cycle 1 (2007 to 2009), Cycle 2 (2009 to 2011) and Cycle 5 (2016 and 2017), micrograms per litre
  Cycle 1 (2007 to 2009) Cycle 2 (2009 to 2011) Cycle 5 (2016 and 2017)
Perfluorooctane sulfonate 8.9 6.9 3.40
Perfluorooctanoic acid 2.5 2.3 1.30
Perfluorohexane sulfonate 2.3 1.7 0.98
Note(s):
Concentrations presented as a geometric mean. Perfluoroalkyl substances were measured in blood. Cycle 1 was measured in people aged 20 to 79. Cycle 2 was measured in people aged 12 to 79, while Cycle 5 was measured in people aged 3 to 79. Data are presented for participants aged 20 to 79 years. Results are rounded to two significant digits. All results are displayed with the same number of decimal places and, therefore, some results have additional trailing zeros, which implies a greater level of precision.
Source(s):
Canadian Health Measures Survey (5071).
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