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What Is It?
Colour typically results from the degradation of organic material. Bog and marsh waters typically have high natural colour.
| Sampling Location | Sample Date | Parameters |
|---|---|---|
| St. Andrews, Zone 5 | 2025-10-28 | Colour (TCU) |
| St. Andrews, Zone 5 | 2025-04-15 | Colour (TCU) |