Table 4.

Levels of Cd and Pb in Soil (mg/kg)

	Metal	N	Mean	S.D.	Minimum	25th Percentile	Median	75th Percentile	Maximum
Overall	Cd	41	0.19	0.27	0.00	0.06	0.11	0.19	1.58
	Pb	41	39.64	53.11	2.03	8.78	19.93	38.72	212.51
Cadmium blood levels <1	Cd	17	0.17	0.15	0.00	0.06	0.14	0.27	0.49
	Pb	17	40.32	53.09	2.03	6.89	29.26	39.74	212.51
Cadmium blood levels ≥1	Cd	24	0.21	0.33	0.00	0.06	0.11	0.19	1.58
	Pb	24	39.16	54.25	4.38	9.63	16.46	32.66	181.91
Reference [1, 59]	Cd	-	0.06	-	0.01	-	-	-	0.70
	Pb	-	10	-	2	-	-	-	200