1. WHO , Guidelines for Drinking-Water Quality: Fourth Edition Incorporating the First Addendum , 2017
2. Office Journal of the European Union , Directive(EU) 2020/2184 of the European Parliament and of the Council of 16 December 2020 on the Quality of Water Intended for Human Consumption , 2020
3. Superior Court of California , California Manufacturers and Technology Association and Solano County Taxpayers Association v. State Water Resources Control Board , 2017 , 34-2015-80001850
4. Wisconsin Department of Health Services , Recommended Public Health Groundwater Quality Standards, P-02434V , 2019
5. North Carolina Administrative Code , Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina North Carolina Administrative Code Title 15A , Subchapter 2L, 2013