Heavy Metal Contamination in Soil and Brown Rice and Human Health Risk Assessment near Three Mining Areas in Central China

Table 3

Concentrations of Cd, Pb, Sb, Mn, and As in brown rice near three mines.

		Cd	Pb	Sb	Mn	As
LY; ()	Mean ± SD	0.058 ± 0.001	0.564 ± 0.089	4.245 ± 1.200	5.934 ± 1.042	0.261 ± 0.002
	Range	0.006–0.173	0.058–1.074	3.210–6.340	4.32–7.569	0.211–0.342
HY; ()	Mean ± SD	0.176 ± 0.002	0.081 ± 0.001	7.901 ± 2.921	2.652 ± 0.464	0.586 ± 0.032
	Range	0.119–0.241	0.040–0.107	3.507–10.320	1.765–4.023	0.235–0.986
LSJ; ()	Mean ± SD	0.013 ± 0.001	0.069 ± 0.003	5.175 ± 1.325	2.652 ± 0.464	0.517 ± 0.017
	Range	0.007–0.016	0.044–0.287	1.987–10.320	1.765–4.023	0.235–0.075
Total	Mean ± SD	0.103 ± 0.007	0.131 ± 0.034	5.175 ± 1.325	6.007 ± 1.552	0.524 ± 0.033
	Range	0.006–0.241	0.040–1.074	1.987–10.320	1.765–10.040	0.211–0.986
	MAC^a	0.2^b	0.2^b	NV^c	NV	0.5^b

Note. ^aMaximum allowable concentration of heavy metals in rice, recommended by Maximum Levels of Contaminants in Foods (GB 2762 2012). ^bZhao et al. [10]. ^cNot available.