| Origin/year | Number of samples | EDI μg/(kg∙d) | ||
| Average value | Maximum value | Minimum value | ||
| S1 | 10 | 0.0011 | 0.0021 | 0.0004 |
| S2 | 10 | 0.0007 | 0.0014 | 0.0004 |
| S3 | 10 | 0.0016 | 0.0047 | 0.0004 |
| S4 | 10 | 0.0012 | 0.0029 | 0.0004 |
| S5 | 10 | 0.0137 | 0.0170 | 0.0107 |
| S6 | 10 | 0.0004 | 0.0004 | 0.0004 |
| S7 | 10 | 0.0005 | 0.0012 | 0.0004 |
| 2019 | 50 | 0.0037 | 0.0170 | 0.0004 |
| 2020 | 20 | 0.0005 | 0.0012 | 0.0004 |
| 2019-2020 | 70 | 0.0027 | 0.0170 | 0.0004 |