Table 2.

Blood concentrations of POPs in adults in Old Crow, Yukon, Canada. Data presented as geometric means (10th − 95th percentile) in blood plasma (µg/kg lipids) for organochlorines and PBDEs, and blood serum (µg/l) for PFAS. Source [10,12].

	Men		Women
Year(s)	2019		2019
Mean age (range)	43 (21–75)		39 (20–72)
Sample size	n = 26		n = 28
	Concentrations	% <LOD	Concentrations	% <LOD
trans-Nonachlor	5.6 (<1.42–120)	8	2.7 (<1.43–14)	32
Hexachlorobenzene	18 (7.0–76)	0	12 (4.0–47)	0
p,p’-DDE	46 (19–290)	0	38 (13–220)	0
PCB138	3.8 (<1.42–38)	15	2.7 (<1.43–17)	29
PCB153	7.8 (2.6–66)	3.8	5.2 (<1.4b–32)	14
PCB180	5.2 (<1.42–30)	12	3.7 (<1.43–24)	29
PBDE47	5.4 (<4.32–56)	38	<4.23 (<4.23–25)	61
PBDE153	6.1 (<4.32–35)	31	4.2 (<4.23–32)	50
PFOA	1.1 (0.65–1.7)	0	0.76 (0.41–1.7)	0
PFNA	1.2 (0.46–3.9)	0	0.77 (0.37–2.0)	0
PFDA	0.20 (<0.09–0.57)	13	0.16 (<0.09–0.35)	13
PFHxS	0.56 (0.28–1.2)	0	0.26 (0.10–1.4)	0
PFOS	1.4 (0.60–3.9)	7.7	0.78 (<0.40–2.4)	14

1.LOD: Limit of detection; values <LOD were replaced by LOD/2 for the purposes of calculating means.

2.based on the geometric mean (7.0 g/L) of blood lipids observed for male participants.

3.based on the geometric mean (7.1 g/L) of blood lipids observed for female participants.