Table 2
Geometric mean blood lead (µg/dL), total mercury (µg/L) and cadmium (µg/L) concentrations, by age group, Canadian Health Measures Survey and other selected surveys

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  2007/2008 Canadian Health Measures Survey United States National Health and Nutrition Examination Survey (2001 to 2002) German Environmental Survey III and IV (1998 and 2003 to 2006) Institut national de santé publique du Québec (2004)
Age group Geometric mean Age group Geometric mean Age group Geometric mean Age group Geometric mean
Lead 6 to 19 0.88 6 to 11 1.25 6 to 8 1.73  Empty cell
 Empty cell 12 to 19 0.94 9 to 11 1.56  Empty cell
 Empty cell 12 to 14 1.45  Empty cell
20 to 79 1.5 20 or older 1.56 18 to 69 3.07 18 to 65 2.15
Total mercury 6 to 19 0.31E  Empty cell 6 to 8 0.23  Empty cell
 Empty cell 9 to 11 0.22  Empty cell
 Empty cell 16 to 49 0.83 12 to 14 0.26  Empty cell
20 to 79 0.91E (females)  Empty cell 18 to 69 0.58 18 to 65 0.74
Cadmium 6 to 19 0.15 6 to 11 less than 0.3 6 to 8 less than 0.12 Empty cell 
Empty cell  12 to 19 less than 0.3 9 to 11 less than 0.12 Empty cell 
Empty cell  12 to 14 0.14  Empty cell
20 to 79 0.42 20 or older less than 0.3 18 to 69 0.58 18 to 65 0.69