1. National Standards of the People’s Republic of China. Standards for Drinking Water Quality: GB5749–2006 (Ministry of Health, 2006).
2. World Health Organization. Guidelines for Drinking-Water Quality 4th edn. (World Health Organization, 2017).
3. National Standards of the People’s Republic of China. Integrated Wastewater Discharge Standard: GB 8978–1996 (Ministry of Ecology and Environment, 1996).
4. ISO 9696. Water Quality—Gross Alpha Activity—Test Method Using Thick Source. International Standard 9696 (International Organization for Standardization, 2017).
5. ISO 9697. Water Quality—Gross Beta Activity—Test Method Using Thick Source. International Standard 9697 (International Organization for Standardization, 2018).