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The Surface Waters (Dangerous Substances) (Classification) Regulations 1992

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Citation and commencement

1.  These Regulations may be cited as the Surface Waters (Dangerous Substances) (Classification) Regulations 1992 and shall come into force on 20th March 1992.

Classification of waters

2.—(1) A system employing the classification DS3 is prescribed as a system of classification applying to relevant territorial waters, coastal waters and inland freshwaters.

(2) The criterion for the classification DS3 is that the annual mean concentration of each substance listed in column (1) of the Schedule in samples taken and tested in accordance with these Regulations must not exceed the relevant concentration specified in column (2) of the Schedule.

Sampling and analysis

3.—(1) The provisions of this regulation apply as respect the taking and testing of samples of any waters to which the classification DS3 is for the time being applied.

(2) Samples must be taken in relation to such waters at a frequency sufficient to show any changes in the aquatic environment, having regard in particular to natural variations in hydrological conditions.

(3) Where a discharge containing any substance listed in column (1) of the Schedule is made to such waters, samples must be taken at a point sufficiently close to the discharge point to be representative of the quality of the aquatic environment in the area affected by the discharge.

(4) Samples taken in relation to such waters shall be analysed using the relevant reference methods of measurement specified in column (3) of the Schedule or other methods which have limits of detection, precision and accuracy at least as good.

Modification of section 83 of the Water Resources Act 1991

4.  Section 83 of the Water Resources Act 1991 shall have effect as if—

(a)it imposed a duty on the Secretary of State to exercise his powers under that section to apply the classification DS3 to all relevant territorial waters, coastal waters and inland freshwaters; and

(b)in relation to the establishment of water quality objectives in pursuance of that duty, subsections (4) and (5) of that section were omitted.

Michael Heseltine

Secretary of State for the Environment

19th February 1992

Signed by authority of the Secretary of State for Wales

Wyn Roberts

Minister of State, Welsh Office

20th February 1992

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