Waste disposal field level

Slag pileV (Million cubic meters)

Slag height

H (m)

The degree of harm caused by the waste disposal field accident to the main project or the environment

1

2000 ≥ V ≥ 1000

200 ≥ H ≥ 150

Serious

2

1000 > V ≥ 500

150 > H ≥ 100

More serious

3

500 > V ≥ 100

100 > H ≥ 60

Nothing serious

4

100 > V ≥ 50

60 > H ≥ 20

Lighter

5

V < 50

H < 20

Non-hazardous