Table 6.
Life cycle environmental impacts of a mask
| Environmental impact category | Total | Raw material | Production | Packaging | Transportation | Use | End of life |
|---|---|---|---|---|---|---|---|
| ADP (kg Sb eq.) | 3.5E-08 | 2.7E-08 | 4.8E-09 | 6.5E-10 | 3.8E-09 | - | − 9.2E-10 |
| ADP fossil (MJ) | 4.2E-01 | 2.1E-01 | 4.4E-02 | 1.6E-01 | 2.2E-02 | - | − 1.2E-02 |
| AP (kg SO2 eq.) | 7.9E-05 | 3.0E-05 | 1.8E-05 | 3.0E-05 | 5.4E-06 | - | − 4.4E-06 |
| EP (kg Phosphate eq.) | 2.2E-05 | 7.4E-06 | 1.1E-05 | 3.3E-06 | 1.6E-06 | - | − 1.2E-06 |
| FAETP (kg DCB eq.) | 2.0E-01 | 1.9E-03 | 2.0E-03 | 2.2E-04 | 2.0E-04 | - | 2.0E-01 |
| GWP (kg CO2 eq.) | 2.1E-02 | 8.3E-03 | 3.2E-03 | 6.1E-03 | 1.4E-03 | - | 1.5E-03 |
| HTP (kg DCB eq.) | 3.7E-02 | 4.1E-03 | 1.6E-03 | 2.2E-04 | 7.0E-04 | - | 3.1E-02 |
| MAETP (kg DCB eq.) | 1.2E + 03 | 7.8E + 00 | 5.7E + 00 | 1.0E + 00 | 4.4E-01 | - | 1.1E + 03 |
| ODP (kg R11 eq.) | 7.4E-10 | 4.0E-10 | 8.1E-11 | 8.0E-12 | 2.6E-10 | - | − 7.6E-12 |
| POCP (kg Ethene eq.) | 8.1E-06 | 3.9E-06 | 9.3E-07 | 2.9E-06 | 5.7E-07 | - | − 2.1E-07 |
| TETP (kg DCB eq.) | 4.4E-05 | 2.8E-05 | 9.2E-06 | 1.2E-06 | 4.7E-06 | - | 8.8E-07 |