1. World Health Organization (WHO) Guidelines for Drinking-water Quality
2. United States Environmental Protection Agency (EPA) Safe Drinking Water Act
3. American Society for Testing and Materials (ASTM) standards for water testing
4. National Environmental Laboratory Accreditation Program (NELAP) guidelines for water sample testing
5. US Geological Survey (USGS) Water Science School website for information on water testing methods and references.
For Water sample testing, list at least Five references
1 answer
1 answer