Table 1.

Levels of PFAAs in serum from 37 young adults.

	Serum (ng/mL), n=37
Congener	MDL	% Detect	GM	Range
Perfluoropentanoic acid (PFPeA)	0.18	0	NA	NA
Perfluorohexanoic acid (PFHxA)	0.03	83.8	0.14	ND-1.00
Perfluoroheptanoic acid (PFHpA)	0.07	32.4	NA	ND-0.30
Perfluorooctanoic acid (PFOA)	0.06	100	1.57	0.30–4.07
Perfluorononanoic acid (PFNA)	0.02	100	0.67	0.23–4.02
Perfluorodecanoic acid (PFDA)	0.04	97.3	0.28	ND-1.60
Perfluorohexane sulfonate (PFHxS)	0.05	100	3.12	1.07–12.55
Perfluorooctane sulfonate (PFOS)	0.06	100	4.96	0.39–31.35

Abbreviations: % Detect, percent detectable. NA, not available, ND, not detected.