Number of instances of
oilleakage |
0 |
0 |
Water use at Onsan Refinery
(thousand tons) |
20,322 |
20,688 |
Water reuse at Onsan
Refinery (thousand tons) |
1,658 |
1,885 |
Wastewater discharge at
Onsan Refinery
(thousand tons) |
9,371 |
9,584 |
Designated waste at
Onsan Refinery (tons) |
10,555 |
8,859 |
General waste at
Onsan Refinery (tons) |
18,508 |
17,515 |
Waste recycling at
Onsan Refinery (tons) |
19,827 |
14,730 |
Environmental investment
(KRW in millions) |
12,880 |
16,148 |
| Greenhouse gas emissions (thousand tons CO2e) |
| Scope Ⅰ |
6,380 |
6,537 |
| Scope Ⅱ |
986 |
1,072 |
| Scope Ⅲ 1) |
26 |
28 |
| Energy consumption (TJ) |
| Scope Ⅰ |
79,673 |
85,422 |
| Scope Ⅱ |
21,816 |
23,024 |
| Scope Ⅲ 1) |
370 |
378 |
| Air pollutant emissions at Onsan Refinery (tons) |
| SOx |
4,273 |
4,959 |
| NOx |
3,354 |
3,518 |
| Dust |
66 |
71 |
Density of air pollutants at Onsan Refinery
(legal limit/S-OIL)2) |
| SOx (ppm) |
180.0/82.0 |
180.0/86.9 |
| NOx (ppm) |
150.0/83.0 |
150.0/82.6 |
Dust
(mg/Sm³) |
30.0/2.6 |
30.0/2.9 |
Density of water pollutants at Onsan Refinery
(ppm) (legal limit/S-OIL)3) |
| BOD |
10.0/3.7 |
10.0/3.8 |
| COD |
40.0/8.1 |
40.0/8.0 |
| SS |
10.0/3.0 |
10.0/2.6 |
