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Table A.3
Ontario dataset
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Guideline |
|
|---|---|
| Ammonia | Calculation 0.019 mg/L |
| Cadmium | Depends on hardness |
| Chloride | > 150 mg/L |
| Chromium | > 2 mg/L |
| Copper | Depends on hardness |
| Nickel | Depends on hardness |
| Nitrate | > 2.93 mg/L |
| Nitrite | > 0.06 mg/L |
| pH | <> 6.5 - 9.0 pH units |
| Phosphorus | > 0.03 mg/L |
| Lead | Depends on hardness |
| Suspended solids | > 30 mg/L |
| Temperature | > 25 °C |
| Zinc | Depends on hardness |
| Data source: Data come from federal, provincial and joint water quality surveillance programs. Table source: Statistics Canada, 2007, Environment Accounts and Statistics Technical Paper Series, volume 2007, number 3, Behaviour Study on the Water Quality Index of the Canadian Council of Ministers of the Environment, catalogue number 16-001-MWE. |
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