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Changes over time for:
Table A2
Llinell Amser Newidiadau
This timeline shows the different points in time where a change occurred. The dates will coincide with the earliest date on which the change (e.g an insertion, a repeal or a substitution) that was applied came into force. The first date in the timeline will usually be the earliest date when the provision came into force. In some cases the first date is 01/02/1991 (or for Northern Ireland legislation 01/01/2006). This date is our basedate. No versions before this date are available. For further information see the Editorial Practice Guide and Glossary under Help.
Version Superseded: 15/06/2018
Status:
Point in time view as at 31/03/2017.
Changes to legislation:
There are currently no known outstanding effects for the The Water Supply (Water Quality) Regulations 2010 (revoked),
Table A2
.
Changes to Legislation
Revised legislation carried on this site may not be fully up to date. At the current time any known changes or effects made by subsequent legislation have been applied to the text of the legislation you are viewing by the editorial team. Please see ‘Frequently Asked Questions’ for details regarding the timescales for which new effects are identified and recorded on this site.
Table A2 E+WParameters for which, Subject to Regulation 16(7), Methods of Analysis are Prescribed
Notes:
|
1 The method of analysis should determine total cyanide in all forms.
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2 The performance characteristics apply to each individual pesticide and will depend on the pesticide concerned.
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3 The performance characteristics apply to the individual substances specified at 25% of the parametric value in Part I of Table B in Schedule 1.
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4 The performance characteristics apply to the individual substances specified at 50% of the parametric value in Part I of Table B in Schedule 1.
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5 The performance characteristics apply to the prescribed value of 4NTU.
|
6 The performance characteristics apply to the specification of 1NTU for water leaving treatment works.
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(1) | (2) | (3) | (4) |
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Parameters | Trueness % of prescribed concentration or value or specification | Precision % of prescribed concentration or value or specification | Limit of detection % of prescribed concentration or value or specification |
---|
Aluminium | 10 | 10 | 10 |
Ammonium | 10 | 10 | 10 |
Antimony | 25 | 25 | 25 |
Arsenic | 10 | 10 | 10 |
Benzene | 25 | 25 | 25 |
Benzo(a)pyrene | 25 | 25 | 25 |
Boron | 10 | 10 | 10 |
Bromate | 25 | 25 | 25 |
Cadmium | 10 | 10 | 10 |
Chloride | 10 | 10 | 10 |
Chromium | 10 | 10 | 10 |
Colour | 10 | 10 | 10 |
Conductivity | 10 | 10 | 10 |
Copper | 10 | 10 | 10 |
Cyanide 1 | 10 | 10 | 10 |
1,2-dichloroethane | 25 | 25 | 10 |
Fluoride | 10 | 10 | 10 |
Iron | 10 | 10 | 10 |
Lead | 10 | 10 | 10 |
Manganese | 10 | 10 | 10 |
Mercury | 20 | 10 | 20 |
Nickel | 10 | 10 | 10 |
Nitrate | 10 | 10 | 10 |
Nitrite | 10 | 10 | 10 |
Pesticides and related products 2 | 25 | 25 | 25 |
Polycyclic aromatic hydrocarbons 3 | 25 | 25 | 25 |
Selenium | 10 | 10 | 10 |
Sodium | 10 | 10 | 10 |
Sulphate | 10 | 10 | 10 |
Tetrachloromethane | 20 | 20 | 20 |
Trichloroethene 4 | 25 | 25 | 10 |
Trihalomethanes: Total 3 | 25 | 25 | 10 |
Turbidity 5 | 10 | 10 | 10 |
Turbidity 6 | 25 | 25 | 25 |
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