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. Author manuscript; available in PMC: 2021 Feb 28.

Published in final edited form as: Chemosphere. 2018 Jun 14;209:338–345. doi: 10.1016/j.chemosphere.2018.06.085

Table 4.

Frequency of detection (%) and percentile concentrations (ng/mL) of select PFAS in paired human serum and urine (n=50).^a

						Serum^b						Urine^c

	PFHpA	PFOA	Sb-PFOA	PFNA	PFDA	PFUnDA	PFHxS	PFHpS	n-PFOS	Sm-PFOS	MeFOSAA	PFBA

Frequency (%)	2	98	2	100	40	8	92	96	98	86	42	56
median	<LOD	0. 7	<LOD	0.5	<LOD	<LOD	0.5	0.3	1.7	0.7	<LOD	0.2
75^th percentile	<LOD	1.3	<LOD	0.7	0.1	<LOD	0.9	0.4	3.1	1.2	0.2	0.3
90^th percentile	<LOD	2.0	<LOD	1.0	0.2	<LOD	1.2	0.7	5.0	2.1	0.3	0.5
95^th percentile	<LOD	2.4	<LOD	1.2	0.3	0.1	1.7	0.8	5.1	2.3	0.4	0.6
Maximum	0.1	4.0	0.1	1.3	0.6	0.2	2.0	1.0	10.3	4.4	0.5	0.8

^a

LODs were 0.1 ng/mL in urine and serum for all analytes.

^b

PFBA, PFPeA, PFHxA, PFBS, PFPrS, HFPO-DA, DONA, EtFOSAA, FOSA, and 9Cl-PF3ONS were not detected in any serum samples.

^c

Only PFBA was detected in urine