Per- and polyfluoroalkyl substances (PFAS) and neurobehavioral function and cognition in adolescents (2010–2011) and elderly people (2014): results from the Flanders Environment and Health Studies (FLEHS)

Environmental Sciences Europe

Table 1 Summary of PFAS exposure levels measured in the adolescents (FLEHS2) and adults (FLEHS 3)

Campaign, population	PFAS µg/L	LOQ µg/L	% above LOQ	period	n	Median µg/L	P₂₅ µg/L	P₇₅ µg/L	P₉₀ µg/L
FLEHS-2, Adolescents aged 14–15	PFOS	0.3	100	2010–2011	199	5.70	4.00	7.80	10.80
FLEHS-3, Adults aged 50–65	PFOS	0.2	100	2014	205	7.58	5.22	11.15	16.30
FLEHS-3, Adults aged 50–65	PFHxS	0.2	99.5	2014	205	1.61	1.02	2.36	3.61
FLEHS-2, Adolescents aged 14–15	PFOA	0.3	100	2010–2011	199	2.60	2.13	3.00	3.62
FLEHS-3, Adults aged 50–65	PFOA	0.2	100	2014	205	2.94	2.13	3.69	4.93
FLEHS-3, Adults aged 50–65	PFNA	0.1	100	2014	205	0.87	0.60	1.18	1.64