Canada
Ontario
About this guideline ▾
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Oxygen
Regulatory
Freshwater
This standard overrides the interpretation by Canada
| Low | High | Level | Impact |
|---|---|---|---|
| 7.0 – 12.0 mg/L | Met guideline | healthy for cold water fish | |
| 2.0 – 7.0 mg/L | 12.0 – 2.99 mg/L | Exceeds chronic guideline | |
| 0.0 – 2.0 mg/L | 2.99 – 0.99 mg/L | Exceeds acute guideline | |
When an observation has multiple samples, the highest single value is compared against this standard. Any sample above the threshold flags the observation.