Table 3.

PFOA and PFOS levels in food samples and their daily intakes

Sampling site	n	Units	PFOA			PFOS			Ref.
			GM	GSD	Range	GM	GSD	Range
Ten sites in Japan	50	ng/g wet weight	<0.01		<0.01–0.024	0.012	2.6	<0.0017–0.12	[33]
Osaka	10	ng/day	61.4	1.7	22.7–124	76.3	1.6	32.1–180	[45]
		ng/g wet weight	0.022	1.7	0.008–0.040	0.027	1.5	0.015–0.057
Miyagi	10	ng/day	44.4	1.5	29.0–90.4	61.5	2.5	18.5–267	[45]
		ng/g wet weight	0.019	1.3	0.012–0.031	0.026	2.3	0.008–0.087

			Median	Average	Range	Median	Average	Range
Canada		ng/day		70			110		[44]
Germany	31	ng/day	169		91.9–839	90.4		47.7–371	[43]

GM geometric mean, GSD geometric standard deviation