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| Analysis | Limits | Unit | Average Value in 2020 | Average Value in 2021 | Average Value in 2022 | ||||||
| Suspended Solids (SS) | 70 | mg/L | 23,3 | 34,6 | 21,4 | ||||||
| Biological Oxygen Demand (BOD) | 50 | mg/L | 26,2 | 14,7 | 17,9 | ||||||
| Chemical Oxygen Demand (COD) | 180 | mg/L | 69,5 | 58,1 | 46,6 | ||||||
| pH | 6-9 | – | 7,3 | 7,7 | 7,8 | ||||||
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| Analysis | Limits | Unit | Average Value in 2020 | Average Value in 2021 | Average Value in 2022 | ||||||
| Suspended Solids (SS) | 100 | mg/L | 17,4 | 7,5 | 6,9 | ||||||
| ZSF (Fish Bioassay) | 20 | mg/L | 1,6 | <1 | <1 | ||||||
| Chemical Oxygen Demand (COD) | 200 | mg/L | 21,0 | 24,0 | 19,4 | ||||||
| Chromium (VI) | 0.3 | mg/L | 0,0 | 0,1 | 0,0 | ||||||
| pH | 6-9 | – | 7,6 | 7,6 | 7,7 | ||||||
| Colour | 280 | Pt-Co | 31,6 | 15,0 | 16,6 | ||||||
| Oil and Grease | 10 | mg/L | 0,2 | <10 | <10 | ||||||
