Part B
Substances or ions or indicators which may occur both naturally and/or as a result of human activities Arsenic Cadmium Lead Mercury Ammonium Chloride Sulphate Man-made synthetic substances Trichloroethylene Tetrachloroethylene Parameters indicative of saline or other intrusions With regard to saline concentrations resulting from human activities, Member States may decide to establish threshold values either for sulphate and chloride or for conductivity. Conductivity
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Source: EUR-Lex (Cellar) · retrieved 2026-10-28 · Text as adopted (Official Journal); later amendments are not incorporated in this text.