Table 3.

Levels (ng/mL) of seven PFCs in matched milk and serum samples from 12 primiparous Swedish women, 2004.

	PFHxS	PFOS	PFOSA	PFOA	PFNA	PFDA	PFUnDA
Serum
No. > LOD	12	12	9	12	12	12	12
Range	1.8–11.8	8.2–48.0	< 0.10–0.49	2.4–5.3	0.43–2.5	0.27–1.8	0.20–1.5
Mean	4.7	20.7	0.24	3.8	0.80	0.53	0.40
SD	2.9	10.5	0.16	1.0	0.55	0.41	0.35
Median	4.0	18.7	0.19	3.8	0.63	0.43	0.28
Milk
No. > LOD	12	12	8	1a	2	0	0
Range	0.031–0.172	0.060–0.470	< 0.007–0.030	< 0.209b–0.492	< 0.005–0.020	< 0.008	< 0.005
Mean	0.085	0.201	0.013	NA	0.017	NA	NA
SD	0.047	0.117	0.009	NA	NA	NA	NA
Median	0.070	0.166	0.010	NA	NA	NA	NA
M:S	0.02:1	0.01:1	0.07:1	0.12:1	0.01:1	NA	NA
CV	28	38	67	NA	52	NA	NA

NA, not applicable.

^aEleven additional samples were above the detection limit (0.01 ng/mL) but the blank level was > 50% of the detected concentrations (blank level 0.209 ng/mL).

^bBlank level.