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The Surface Waters (Dangerous Substances) (Classification) (Scotland) Regulations 1990

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Regulation 3(2)

SCHEDULE 2CRITERIA FOR THE CLASSIFICATION OF COASTAL WATERS AND RELEVANT TERRITORIAL WATERS (DS2)

(1)(2)
SubstanceConcentration in microgrammes per litre (annual mean)
Aldrin, Dieldrin, Endrin and Isodrin

(i)0.03 for the four substances in total;

(ii)0.005 for endrin

Cadmium and its compounds2.5 (dissolved cadmium)
Carbon tetrachloride12
Chloroform12
DDT (all isomers)0.025
para-para-DDT0.01
Hexachlorobenzene0.03
Hexachlorobutadiene0.1
Hexachlorocyclohexane (all isomers)0.02
Mercury and its compounds0.3 (dissolved mercury)
Pentachlorophenol and its compounds2

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