Mathematical Problems in Engineering / 2020 / Article / Tab 1

Research Article

Effectiveness of Entropy Weight Method in Decision-Making

Table 1

Threshold for classification of pollutants (mg/L).

Evaluation indexExcellentGoodMediumBadWorst

CODMn[0, 2](2, 4](4, 6](6, 10](10, 15]
NH3[0, 0.15](0.15, 0.5][0.5, 1](1, 1. 5](1.5, 2]
Sulfide[0, 005](0.05, 0.1](0.1, 0.2](0.2, 0.5](0.5, 1]