Research Article
[Retracted] Corporate Environmental Governance Performance Evaluation and Index System Construction under the Mobile Communication System
Table 6
State improvement indicators.
| Indicator type | Indicator number | Index content | Unit | Index nature |
| State improvement indicators | S1 | Decrease in annual average concentration of PM10 per unit space | μg/m3 | ↑ | S2 | The average concentration of SO2 decreases | μg/m3 | ↑ | S3 | Decrease in annual average concentration of NO2 | μg/m3 | ↑ | S4 | Increase in the number of days when air quality reaches level 2 or higher | Day | ↑ | S5 | Industrial wastewater discharge compliance rate | % | ↑ | S6 | Geological compliance rate of centralized drinking water sources | % | ↑ | S7 | Comprehensive utilization rate of industrial solid waste | % | ↑ | S8 | Centralized treatment rate of urban sewage | % | ↑ | S9 | Harmless treatment rate of domestic garbage | % | ↑ |
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