Risk Evaluation of Sewage Treatment PPPABS Projects Using Combination Weight Method and D-S Evidence Theory

Table 4

Risk evaluation criteria.

Risk level	Corresponding risk value range
Very high ()	[0.8, 1.0]
High ()	[0.6, 0.8)
Moderate ()	[0.4, 0.6)
Low ()	[0.2, 0.4)
Very low ()	[0, 0.2)