Evaluation of the Pollution by Toxic Elements around the Small-Scale Mining Area, Boroo, Mongolia

Table 4

Analytical data of drinking water samples.

Parameters	UM	Sample ID
		GW1	GW2	GW3
pH		8.34	8.64	8.71
Na	ppm	11.2±0.2	10.3±0.1	21.5±1.2
Mg	ppm	5.11±0.2	9.05±0.2	24.6±1.9
Al	ppm	0.982±0.122	0.524±0.145	0.481±1.142
Si	ppm	8.12±0.40	10.2±0.5	11.8±0.6
S	ppm	7.41±0.24	16.9±1.6	26.1±2.1
Cl	ppm	11.0±0.2	12.3±0.3	25.7±1.5
K	ppm	2.50±0.17	1.35±0.15	2.62±0.21
Ca	ppm	31.0±1.3	16.2±1.2	32.3±1.9
Mn	ppm	1.28±0.21	2.79±0.4	0.57±0.07
Fe	ppm	65±2.3	59±2.1	14.5±1.2
Ni	ppm	0.54±0.08	0.65±0.08	0.41±0.1
Cu	ppm	8.6±1.2	1.7±0.3	1.3±0.2
Zn	ppm	5.3±0.4	39±2.1	9.5±0.9
As	ppm	<LOD (<0.002)	<LOD	<LOD
Pb	ppm	<LOD (0.001)	<LOD	<LOD