Drinking Water Regulations in Canada

 Canadian Ambient Air Quality Standards (CAAQS)

 List of Contaminants and Other Adulterating Substances in Foods sold in Canada

 Drinking Water Quality Regulations in USA

 National Ambient Air Quality Standards (NAAQS) of the USA

 Mexico’s National Drinking Water Quality Standards

 Mexico’s National Ambient Air Quality Standards

 Drinking Water Regulations in Europe

 China’s Environmental Quality Standards for Surface Water

 China’s Ambient Air Quality Standards

 China’s Maximum Levels of Contaminants in Food

 Indian National Drinking Water Quality Standards

 Indian National Ambient Air Quality Standards