0 Drinking water quality standards

From Wikipedia, the free encyclopedia Drinking water quality standards describes the quality parameters set for drinking water . Despite the truism that every human on this planet needs drinking water to survive and that water can contain many harmful constituents, there are no universally recognised and accepted international standards for drinking water. Even where standards do exist, and are applied, the permitted concentration of individual constituents may vary by as much as ten times from one set of standards to another. Many developed...

0 WHO's drinking water standards 1993

WHO's Guidelines for Drinking-water Quality, set up in Geneva, 1993, are the international reference point for standard setting and drinking-water safety. Element/ substanceSymbol/ formulaNormally found in fresh water/surface water/ground waterHealth based guideline by the WHO AluminiumAl 0,2 mg/l AmmoniaNH4< 0,2 mg/l (up to 0,3 mg/l in anaerobic waters)No guideline AntimonySb< 4 μg/l0.005 mg/l ArsenicAs 0,01 mg/l Asbestos No guideline BariumBa 0,3 mg/l BerilliumBe< 1 μg/lNo guideline BoronB< 1 mg/l0,3 mg/l CadmiumCd<...