Table 2.

Distributions of the concentrations of the 11 metals measured in cord tissue among the samples used in this analysis (n=226).

Metal	Units	Median	Interquartile Range	25th percentile	75th percentile	Minimum	Maximum
As	ng/g	4.59	4.10	3.30	7.40	1.28	70.65
Ba	ng/g	81.05	73.35	55.95	129.30	17.50	3131.90
Cd	ng/g	1.22	2.13	0.73	2.86	<0.32	4057.21
Cu	μg/g	3.54	1.46	3.01	4.47	1.85	14.31
Hg	ng/g	7.72	12.03	3.62	15.65	<0.79	96.36
Mn	μg/g	0.34	0.12	0.29	0.42	0.10	1.70
Pb	ng/g	15.75	20.55	9.20	29.75	<2.6	708.70
Sb	ng/g	3.24	3.90	1.93	5.83	<0.88	360.93
Se	μg/g	0.86	0.19	0.78	0.97	0.44	1.98
Sr	μg/g	0.55	0.44	0.39	0.83	0.17	3.33
Zn	μg/g	59.40	18.38	52.20	70.58	29.90	487.50