Table 2.

Blood concentrations of heavy metals in adults across multiple First Nations communities in the Northwest Territories, Canada. Data are presented as geometric means (10th −95th percentile) in whole blood (µg/l). Source: [19].

	Men		Women
Year(s)	2016–2018		2016–2018
Mean age (range)	47.3 (18–88)		45.6 (18–80)
Sample size	n = 128		n = 122
	µg/L whole blood	% <LOD1	µg/L whole blood	% <LOD1
Cadmium	0.373 (<0.006–3.58)	10.2	0.404 (<0.006–3.15)	9.8
Lead	21.0 (8.42–74.4)	0	14.8 (5.36–73.6)	0
Mercury	nc2 (<0.03–7.68)	55.5	nc2 (<0.03–3.89)	63.1
Selenium	170.1 (136–225)	0	171 (140–229)	0

¹LOD: Limit of detection.

^anc: not calculated as number of non-detects greater than 50%.