1 Hydrogen index, pH units2 Turbidity, mg/dm³3 Colour, degrees4 Total hardness, mmol/dm³5 Total alkalinity, meqv/dm³6 Total iron, mg/dm³7 Manganese, mg/dm³8 Nitrates, mg/dm³9 Permanganate oxidability, mg/dm³10 TDS, mg/dm³11 Odor, points12 Calcium, mg/dm³13 Magnesium, mg/dm³14 Hydrocarbonates, mg/dm³15 Sulfates, mg/dm³16 Chlorides, mg/dm³