Estimating the Pollution Risk of Cadmium in Soil Using a Composite Soil Environmental Quality Standard

Table 1

The soil environmental quality standard II of China for Cd in soil (mg kg⁻¹).

	0 ≤ pH < 5.5	5.5 ≤ pH < 6.5	6.5 ≤ pH < 7.5	7.5 ≤ pH ≤ 14
Paddy field	0.25	0.30	0.50	1.00
Dry farmland	0.25	0.30	0.45	0.80
Nonfarmland	10.00	10.00	10.00	10.00