. 2005 Aug 14;2(2):214–218. doi: 10.3390/ijerph2005020003

Table 1.

Chemical composition of some Obninsk springs

Spring No.	General Rigidity, mg – eqy/l	Concentration, mg /l

		Ag	As	Al	Be	B	Cd	Hg	Pb	Cr	Zn
Maximum Permissible Concentration	7.0	0.05	0.05	0.5	0.0002	0.5	0.001	0.0005	0.03	0.055	5.0
2	5.6	0.001	0.01	0.13	0.0006^*	0.010	0.019^*	0.004^*	0.019	0.072^*	0.003
7	5.7	0.001	0.01	0.11	0.0006^*	0.014	0.021^*	0.003^*	0.010	0.061^*	0.017
16	6.3	0.001	0.01	0.10	0.0005^*	0.006	0.019^*	0.008^*	0.013	0.004	0.015

Element excess over MPC.