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Regulations 22, 29 and 31
(1) Parameter | (2) Method | ||||||||||||||||||||||||||
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(i) The composition of m–CP agar is:
| |||||||||||||||||||||||||||
Clostridium perfringens (including spores) | Membrane filtration followed by anaerobic incubation of the membrane on m–CP agar(i) at 44 ± 1°C for 21 ± 3 hours. Count opaque yellow colonies that turn pink or red after exposure to ammonium hydroxide vapours for 20 to 30 seconds. | ||||||||||||||||||||||||||
Coliform bacteria | ISO 9308–1 | ||||||||||||||||||||||||||
Colony count 22°C – enumeration of culturable micro-organisms | prEN ISO 6222 | ||||||||||||||||||||||||||
Enterococci | ISO 7899–2 | ||||||||||||||||||||||||||
Escherichia coli (E.coli) | ISO 9308–1 |
(1) Item No. | (2) Parameters | (3) Trueness % of prescribed concentration or value or specification | (4) Precision % of prescribed concentration or value or specification | (5) Limit of detection % of prescribed concentration or value or specification |
---|---|---|---|---|
Notes: (i) The method of analysis should determine total cyanide in all forms. (ii) The performance characteristics apply to each individual pesticide and will depend on the pesticide concerned. (iii) The performance characteristics apply to the individual substances specified at 25% of the parametric value in Table B in Schedule 1. (iv) The performance characteristics apply to the individual substances specified at 50% of the parametric value in Table B in Schedule 1. (v) The performance characteristics apply to the prescribed value of 4NTU. | ||||
1. | Aluminium | 10 | 10 | 10 |
2. | Ammonium | 10 | 10 | 10 |
3. | Antimony | 25 | 25 | 25 |
4. | Arsenic | 10 | 10 | 10 |
5. | Benzene | 25 | 25 | 25 |
6. | Benzo(a)pyrene | 25 | 25 | 25 |
7. | Boron | 10 | 10 | 10 |
8. | Bromate | 25 | 25 | 25 |
9. | Cadmium | 10 | 10 | 10 |
10. | Chloride | 10 | 10 | 10 |
11. | Chromium | 10 | 10 | 10 |
12. | Colour | 10 | 10 | 10 |
13. | Conductivity | 10 | 10 | 10 |
14. | Copper | 10 | 10 | 10 |
15. | Cyanide(i) | 10 | 10 | 10 |
16. | 1,2–dichloroethane | 25 | 25 | 25 |
17. | Fluoride | 10 | 10 | 10 |
18. | Iron | 10 | 10 | 10 |
19. | Lead | 10 | 10 | 10 |
20. | Manganese | 10 | 10 | 10 |
21. | Mercury | 20 | 10 | 20 |
22. | Nickel | 10 | 10 | 10 |
23. | Nitrate | 10 | 10 | 10 |
24. | Nitrite | 10 | 10 | 10 |
25. | Pesticides and related products(ii) | 25 | 25 | 25 |
26. | Polycyclic aromatic hydrocarbons(iii) | 25 | 25 | 25 |
27. | Selenium | 10 | 10 | 10 |
28. | Sodium | 10 | 10 | 10 |
29. | Sulphate | 10 | 10 | 10 |
30. | Tetrachloroethene(iv) | 25 | 25 | 10 |
31. | Tetrachloromethane | 20 | 20 | 20 |
32. | Trichloroethene(iv) | 25 | 25 | 10 |
33. | Trihalomethanes:Total(iii) | 25 | 25 | 10 |
34. | Turbidity(v) | 10 | 10 | 10 |
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