Table 2 The top five chemical substances with the highest number of emitting facilities in Incheon industrial sites.
Chemical name | Number of emission facilities | Air emissions (kg/year) | Water emissions (kg/year) |
|---|---|---|---|
Sodium hydroxide | 74 | 1,428 | 0 |
Sulfuric acid | 65 | 1,570 | 0 |
Hydrogen chloride | 51 | 95,499 | 0 |
Nickel and its compounds | 42 | 1,481 | 34 |
Copper and its compounds | 41 | 523 | 156 |
