Impact of Kishnica and Badovci Flotation Tailing Dams on Levels of Heavy Metals in Water of Graçanica River (Kosovo)

Table 3

Concentration of 10 metals determined in river water.

Heavy metals	Sample
	S1	S2	S3	S4	S5	S6	WHO standard
Al/mgL^−1	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	0.2
As/mgL^−1	0.033	0.001	0.013	0.029	0.027	0.026	0.01
Cd/mgL^−1	0.001	0.002	<0.0001	0.001	<0.0001	<0.0001	0.003
Cr/mgL^−1	0.225	0.037	0.010	0.007	0.007	0.007	0.05
Cu/mgL^−1	0.015	0.002	0.001	0.002	0.002	0.001	2
Hg/mgL^−1	<0.001	0.004	0.002	<0.001	0.001	0.002	0.001
Mn/mgL^−1	0.027	15.66	1.98	0.018	0.001	0.001	0.5
Ni/mgL^−1	0.196	0.255	0.118	0.006	0.003	0.007	0.02
Pb/mgL^−1	0.002	0.010	0.003	0.013	0.006	0.005	0.01
Zn/mgL^−1	<0.0002	0.612	0.159	0.009	0.011	0.002	3