Table 6.

Exposure levels of environmental chemicals in the Sapporo cohort

					Percentile
	Number	DL	>DL (%)	Min	25th	50th	75th	Max
Maternal blood
Total dioxins (TEQ pg/g lipid)	426	n/a	n/a	3.17	9.95	13.9	18.2	43.4
Total PCBs (ng/g lipid)	426	n/a	n/a	17.8	73.0	107	148	41,460
p,p′-DDE	379	0.60	100	99.52	401.53	650.99	1011.48	4575.67
PFOS (ng/mL)	447	0.5	100	1.30	3.40	5.20	7.00	16.2
PFOA (ng/mL)	447	0.5	92.8	0.25	0.80	1.30	1.80	5.30
MEHP (ng/mL)	493	0.278	100	1.94	5.82	9.95	16.3	101.7
Bisphenol A (ng/mL)	59	0.04	76.3	<DL	0.040	0.057	0.072	0.419
Cord blood
Bisphenol A (ng/mL)	285	0.04	68.8	<DL	<DL	0.051	0.076	0.217
Maternal hair
Me-Hg (μg/g)	430	n/a	100	0.24	0.96	1.40	1.89	7.55

p,p′-DDE p,p′-dichlorodiphenyldichloroethylene, DL detection limit, Me-Hg methylmercury, MEHP mono(2-ethylhexyl) phthalate, n/a not applicable, PCBs polychlorinated biphenyls, PFOA perfluorooctanoic acid, PFOS perfluorooctanoic sulfonate, TEQ toxicity equivalency quantity