Table 1: Mouse blood metal levels at the end of the 2-month exposure.

Mean (standard deviation) of the concentrations of 10 metals measured by ICP-MS in mouse blood are reported here.

	Control	Low dose	High dose
As	3.10 (0.23)	2.77 (0.38)	3.22 (0.48)
Cr	1.37 (0.02)	1.93 (0.50)*	1.79 (0.36)*
Cu	565 (43)	587 (11)	565 (20)
Fe	323371 (20557)	330330 (21408)	345403 (7497)*
Mn	8.53 (1.61)	10.89 (0.19)*	9.48 (0.11)
Ni	3.25 (0.65)	3.69 (0.06)	4.22 (1.49)
Pb	1.29 (0.73)	1.65 (0.66)	0.85 (0.05)*
Se	535 (33)	591 (55)*	562 (67)
Sr	16.5 (1.9)	17.4 (2.0)	17.9 (0.2)
Zn	4666 (565)	4381 (308)	5101 (666)

Data are expressed in μg/L. Boldface indicates a statistically significant difference between an exposed group and the control group.