Wood preservation facilities, alkaline copper quaternary: chapter G, table 3
Table 3. Regulatory Limits for Ammonia, Copper and Quat in Natural Water Bodies
| Element | Limit value (mg/L) | Basis (objectives) | Agency | 
| Ammonia | Maximum: 0.5 mg/L Maximum: 0.02 mg/L | Protection of human health Protection of aquatic life | International Joint Commission Footnotea | 
| No numerical guidelines (under review) | Health Canada FootnotebFootnotec | ||
| Fresh water: 0.019 mg/L | Protection of aquatic life | Canadian Council of Ministers of the Environment (CCME) Footnoted | |
| DDACB | Fresh water: 0.0015 mg/L Marine: Insufficient data | Protection of aquatic life | CCME Footnoted | 
| Copper | Maximum: 0.005 mg/L | Protection of aquatic life | International Joint Commission Footnotea | 
| Aesthetic objectives: < 1.0 mg/L | Protection of human health | Health Canada FootnotebFootnotec | |
| 
 | Protection of aquatic life | CCMEFootnoted | |
| Boron | Not determined | Protection of aquatic life | International Joint Commission Footnotea | 
| Interim maximum acceptable concentrations: 5 mg/L | Protection of human health: Guidelines for Canadian Drinking Water Quality | Health Canada Footnotee | |
| Maximum: 2.4 mg/L | Protection of human health: Drinking water quality guidelines | World Health Organization (WHO) FootnotebFootnotec | |
| Freshwater 
 Marine 
 | Protection of aquatic life | Canadian Council of Ministers of the Environment (CCME) Footnoted | |
| Irrigation 
 Livestock 
 | Protection of agriculture | CCMEFootnoted |