Table 8. Greenhouse gas emission factors by allocation method (단위: kgCO2eq./kgH2)
| Parameter\Allocatio method | Mass | Moles | Economic value | LHV |
| Naphtha | 6.49E-01 | 7.13E-00 | 6.78E+00 | 1.64E+00 |
| Direct emissions | 3.95E-01 | 4.34E+00 | 4.13E+00 | 9.98E-01 |
| LPG | 5.32E-02 | 5.85E-01 | 5.53E-01 | 1.34E-01 |
| C3R4 | 2.63E-02 | 2.89E-01 | 2.80E-01 | 6.45E-02 |
| DI water | 4.83E-04 | 5.31E-03 | 5.05E-03 | 1.22E-03 |
| CW | 1.65E-04 | 1.81E-03 | 1.74E-03 | 4.18E-04 |
| Nitrogen | 1.42E-05 | 1.57E-04 | 1.35E-04 | 3.99E-05 |
| Air | 1.15E-05 | 1.26E-04 | 1.03E-04 | 3.21E-05 |
| Electricity | 3.87E-02 | 4.25E-01 | 4.04E-01 | 9.72E-02 |
| Steam | 9.61E-02 | 1.06E+00 | 1.00E+00 | 2.43E-01 |
| GHG emission factor | 1.25 | 13.92 | 13.24 | 3.19 |