|
| Pedras River | Parado River | ||
|
| Upper Side | Lower Side | Upper Side | Lower Side |
| Morning | 3 per day | 3 per day | 3 per day | 3 per day |
| Afternoon | 3 per day | 3 per day | 3 per day | 3 per day |
| Total samples in 3 consecutive days | 6 | 6 | 6 | 6 |