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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 |
|---|---|---|
| Vallée-des-Rivières, Saint Léonard, Zone 3 | 2025-05-06 | Colour (TCU) |
| Vallée-des-Rivières, Ste-Anne-de-Mad., Zone 2 | 2025-04-30 | Colour (TCU) |