Textual Amendments
| Parameters | Uncertainty of measurement - percentage of the parametric concentration | Other requirements relating to the uncertainty of measurement | Other requirements |
|---|---|---|---|
| Antimony | 40 | ||
| Arsenic | 30 | ||
| Benzene | 40 | ||
| Benzo(a)pyrene | 50 | Where there is no method of analysis for benzo(a)pyrene that has an uncertainty of measurement that does not exceed 50%, the best available method of analysis with an uncertainty of measurement not exceeding 60% must be used. | |
| Boron | 25 | ||
| Bromate | 40 | ||
| Cadmium | 25 | ||
| Chromium | 30 | ||
| Copper | 25 | ||
| Cyanide | 30 | The method of analysis must determine total cyanide in all forms. | |
| 1,2-dichloroethane | 40 | ||
| Fluoride | 20 | ||
| Lead | 25 | ||
| Mercury | 30 | ||
| Nickel | 25 | ||
| Nitrate | 15 | ||
| Nitrite | 20 | ||
| Polycyclic aromatic hydrocarbons— | |||
| (a) individual substance | 25 | ||
| (b) total substances | 50 | ||
| Selenium | 40 | ||
| Tetrachloroethenes— | |||
| (a) individual substance | 50 | ||
| (b) total substances | 30 | ||
| Trichloroethenes— | |||
| (a) individual substance | 50 | ||
| (b) total substances | 40 | ||
| Trihalomethanes— | |||
| (a) individual substance | 25 | ||
| (b) total substances | 40] |