The Biosand Filter webpages
Guidelines for Canadian Drinking Water Quality
Prairie Farm and Rehabilitation Administration (PFRA)
National Research Council Canada (NRC)
Saskatchewan Research Council (SRC)
Agriculture and Agri-Food Canada
Saskatchewan Environment – Water
PINTER & Associates
University of Regina
Saskatchewan Water and Wastewater Association (SWWA)
Manitoba Office of Drinking Water
Alberta Environment
British Columbia Ministry of the Environment
Alberta Agriculture and Food
Saskatchewan Outfitters Association
Western Canada Water and Wastewater Association (WCWWA)
Canadian Water and Wastewater Association (CWWA)
American Water Works Association (AWWA)
U.S. Navy Marine Mammal Program
Saskatchewan Environmental Industry and Managers Association (SEIMA)
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