References
- Health and Welfare Canada. 1987 . Guidelines for Canadian Drinking Water Quality - 1987. Supply and Services Canada Ottawa , ON
- Health and Welfare Canada. 1989 . Guidelines for Canadian Drinking Water Quality - Fourth Edition. Supply and Services Canada Ottawa , ON
- Health and Welfare Canada. 1990 . “ Derivation of Maximum Acceptable Concentrations and Aesthetic Objectives for chemicals in drinking water ” . In In: Guidelines for Canadian Drinking Water Quality - Supporting Documentation. Bureau of Chemical Hazards, Environmental Health Directorate Ottawa , ON
- Environment Canada. 1991 . A report on Canada's progress towards a national set of environmental indicators. SOE Report 91–1. Supply and Services Canada Ottawa , ON