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

Table 1

Physicochemical characteristics of soil samples.

Sampling site	Characteristics
	pH (water)	EC, mS/m	Ng kg^−1	C, g kg^−1	C/N	Cly [%]	Silt [%]	Sand [%]
Grassland (𝑛=8)
Range	7.76–8.74	3.53–10.1	1.03–2.13	15–25.8	10.80–16.84	10.53–21.54	10.89–23.54	55.71–78.57
Mean	8.45	6.95	1.61	20.95	13.3	16.92	15.81	67.28
Village (𝑛=9)
Range	7.72–9.09	2.02– 17.59	0.993–3.36	16.37–35.45	9.70–17.32	15.27–27.57	13.43–38.18	41.85–70.94
Mean	8.46	7.16	1.74	22.04	13.69	19.43	20.76	59.81
Gold washing place (𝑛=7)
Range	7.86– 8.76	2.59–28.2	0.37–5.30	5.40–57.61	10.86–14.70	11.79–21.31	15.58–36.97	47.18–70.14
Mean	8.20	13.29	2.41	29.13	12.86	17.07	21.29	61.61

𝑛: number of samples, mean value: three replicates of each soil data.