The Natural Mineral Water, Spring Water and Bottled Drinking Water Regulations (Northern Ireland) 2015
PART 4 N.I.Particulars of anions, cations, non-ionised compounds and trace elements
Table A
| Anions | Unit of measurement |
|---|
| Borate BO3 - | mg/l |
| Carbonate CO32- | mg/l |
| Chloride Cl- | mg/l |
| Fluoride F - | mg/l |
| Hydrogen Carbonate HCO3- | mg/l |
| Nitrate NO3 - | mg/l |
| Nitrite NO2 - | mg/l |
| Phosphate PO BO4 3- | mg/l |
| Silicate SiO2 2- | mg/l |
| Sulphate SO4 2- | mg/l |
| Sulphide S2- | mg/l |
Table B
| Cations | Unit of measurement |
|---|
| Aluminium Al | mg/l |
| Ammonium NH4 + | mg/l |
| Calcium Ca | mg/l |
| Magnesium Mg | mg/l |
| Potassium K | mg/l |
| Sodium Na | mg/l |
Table C
| Non-ionised compounds | Unit of measurement |
|---|
| Total organic carbon C | mg/l |
| Free carbon dioxide CO2 | mg/l |
| Silica SiO2 | mg/l |
Table D
| Trace elements | Unit of measurement |
|---|
| Barium Ba | mg/l |
| Bromine (total) Br | mg/l |
| Cobalt Co | mg/l |
| Copper Cu | mg/l |
| Iodine (total) I | mg/l |
| Iron Fe | mg/l |
| Lithium Li | mg/l |
| Manganese Mn | mg/l |
| Molybdenum Mo | mg/l |
| Strontium Sr | mg/l |
| Zinc Zn | mg/l |
