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Paragraph 1

Original text. Later amendments are not shown.

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

(a)

the annual mean concentration of each substance listed in column (1) of Table 8 in samples taken from the sampling point for the waters in question in accordance with regulation 4 does not exceed the relevant concentration specified in column (2) of that Table; and

(b)

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