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Paragraph 1

Original text. Later amendments are not shown.

Subject to paragraph 2 below, the requirements for the classification DS6 are that—

(a)

the annual mean concentration of each substance listed in column (1) of Table 1 in samples taken from the sampling point for the waters in question in accordance with regulation 4 above does not exceed the relevant limit shown in column (2); and

(b)

the concentration of mevinphos in each sample so taken does not exceed 0.02 microgrammes per litre.