Lead Environmental Pollution and Childhood Lead Poisoning at Ban Thi Commune, Bac Kan Province, Vietnam

Table 2

Lead concentration in soil samples (mg/kg).

Village	N	Median	Mean ± Std. Dev.	Min.	Max.
Phia Khao	5	1042.39	1930.05 ± 1611.11	737.18	4562.84
Ban Nhuong	5	3093.74	2759.80 ± 2375.26	80.05	6288.74
Hop Tien	10	2390.36	5863.11 ± 10010.78	110.73	33820.62
Keo Nang	5	1059.89	877.44 ± 525.64	138.88	1397.02
Tham Tau	5	261.98	587.87 ± 491.66	211.45	1213.75
Total	30	1214.35	2980.23 ± 6092.84	80.05	33820.62