1. Australian and New Zealand Guidelines for Fresh and Marine Water Quality,2000
2. Canadian water quality guidelines for the protection of aquatic life: Ammonia,2010
3. Notice of the State Council on Issuing the “13th Five-Year Plan” for Ecological Environmental Protection;China State Council,2016
4. Weekly Monitoring Reports on Surface Water Quality in China,2018
5. Environmental Quality Standards for Surface Water. GB3838-2002,2002