Part B Chemical parameters
United Kingdom
| Parameter | Parametric value | Unit | Notes |
|---|---|---|---|
| Acrylamide | 0,1 | μg/l | Note 1 |
| Antimony | 5,0 | μg/l | |
| Arsenic | 10 | μg/l | |
| Benzene | 1,0 | μg/l | |
| Benzo(a)pyrene | 0,01 | μg/l | |
| Boron | 1,0 | mg/l | |
| Bromate | 10 | μg/l | Note 2 |
| Cadmium | 5,0 | μg/l | |
| Chromium | 50 | μg/l | |
| Copper | 2,0 | mg/l | Note 3 |
| Cyanide | 50 | μg/l | |
| 1,2-dichloroethane | 3,0 | μg/l | |
| Epichlorohydrin | 0,1 | μg/l | Note 1 |
| Fluoride | 1,5 | mg/l | |
| Lead | 10 | μg/l | Notes 3 and 4 |
| Mercury | 1,0 | μg/l | |
| Nickel | 20 | μg/l | Note 3 |
| Nitrate | 50 | mg/l | Note 5 |
| Nitrite | 0,5 | mg/l | Note 5 |
| Pesticides | 0,1 | μg/l | Notes 6 and 7 |
| Pesticides — Total | 0,5 | μg/l | Notes 6 and 8 |
| Polycyclic aromatic hydrocarbons | 0,1 | μg/l | Sum of concentrations of specified compounds; Note 9 |
| Selenium | 10 | μg/l | |
| Tetrachloroethene and Trichloroethene | 10 | μg/l | Sum of concentrations of specified parameters |
| Trihalomethanes — Total | 100 | μg/l | Sum of concentrations of specified compounds; Note 10 |
| Vinyl chloride | 0,5 | μg/l | Note 1 |