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The content of total mercury (THg) content (μg∙kg−1).
| TS1 | TS2 | TS3 | TS4 | TS5 | TS6 | |
|---|---|---|---|---|---|---|
| Sampling numbers | 22 | 10 | 20 | 59 | 59 | 10 |
| Minimum | 8.6 | 15.2 | 1.3 | ND * | ND * | 8 |
| Maximum | 23.4 | 26.5 | 69.4 | 9.1 | 40.2 | 19.1 |
| Mean value | 13.25 | 20.55 | 8.1 | 4.19 | 13.44 | 13.41 |
| Standard deviation | 3.88 | 2.99 | 16.01 | 1.81 | 10.62 | 4.11 |
* No detection, the detection limit is 0.10 μg∙kg−1.
