S.I. 1989 No. 2286
The Secretary of State for the Environment and the Secretary of State for Wales, acting jointly in exercise of the powers conferred on them by sections 1041 and 1712 of the Water Act 1989 hereby make the following Regulations:
1. (1) These Regulations may be cited as the Surface Waters (Dangerous Substances) (Classification) Regulations 1989 and shall come into force on 1st January 1990.
(2) In these Regulations "the Act" means the Water Act 1989,3 and references to inland waters and relevant territorial waters include, respectively, references to waters which are, by virtue of an order under section 103(5) of the Act,4 to be treated as a relevant lake or pond and to waters which are, by virtue of such an order, to be treated as relevant territorial waters.5
2. (1) A system employing the classification DS1 is prescribed as a system of classification applying to inland waters additional to the system prescribed by the Surface Waters (Classification) Regulations 1989.6
(2) A system employing the classification DS2 is prescribed as a system of classification applying to coastal waters7 and relevant territorial waters.
3. (1) The criterion for classification DS1 is that the annual mean concentrations of the substances listed in column (1) of Schedule ' hereto do not exceed the concentrations specified in column (2) of that Schedule.
(2) The criterion for classification DS2 is that the annual mean concentrations of the substances listed in column (1) of Schedule 2 hereto do not exceed the concentrations specified in column (2) of that Schedule.
4. For the purpose of complying with Community obligations, section 105(4) and (5) of the Act8 shall not apply to the initial establishment of water quality objectives so far as they involve the specification of a classification prescribed by these Regulations.____________________