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International Standards for Drinking Water
PDF | English | Water quality Guidelines and Procedures Water
WHO's 1971 standards for drinking water--useful for investigative studies on how standards have changed over time.
Issued on 1971.Uploaded about 6 years agoLast updated about 6 years ago -
Guidelines for Drinking Water Quality: Fourth Edition
PDF | English | Water quality Guidelines and Procedures Water
Guidelines for Drinking Water Quality from the World Health Organization
Issued on 2011.Uploaded about 6 years agoLast updated about 6 years ago