F1SCHEDULE 12Monitoring of water bottled and labelled as “spring water” and bottled drinking water
PART 5Methods of analysis relating to chemical parameters
SECTION 2Minimum performance characteristics for a method of analysis
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 |