Table S3. Levels of BPF in composites food samples from the Sixth China Total Diet Study (µg/kg).

Food categories	HL	LN	HE	BJ	JL	SX	SN	HA	NX	NM	QH	GS	SH	FJ	JX	JS	ZJ	SD	HB	SC	GX	HN	GD	GZ
Note: ND: non-detected value, assigned 0 in calculations.
Cereals	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	0.169
Legumes	ND	0.184	ND	0.163	ND	0.444	0.383	ND	ND	ND	ND	0.624	ND	ND	ND	0.288	ND	0.163	ND	0.192	1.064	ND	ND	ND
Potatoes	ND	ND	ND	ND	ND	ND	ND	0.186	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
Meat	ND	ND	ND	0.261	ND	ND	ND	ND	0.205	0.279	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	0.168	0.209	ND	ND
Eggs	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
Aquatic foods	0.169	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	0.192	ND
Milk	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
Vegetables	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	0.16	ND	ND	ND	ND	ND	ND	0.190	ND	ND	ND
Fruits	0.169	ND	0.156	ND	ND	ND	ND	ND	ND	ND	ND	0.449	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
Sugars	0.26	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
Water and beverages	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
Alcoholic beverages	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND