OpenLegislation

Paragraph 1

Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below:

Subject to the following provisions of this Schedule, the criteria for the classification BW1 are that–

(a)

at least 95 per cent of samples of the waters taken and tested in accordance with Schedule 2 must conform to the parametric values specified in Schedule 3;

(b)

no sample of the waters taken in accordance with Schedule 2 which, when tested for compliance with the phenols parameter by the absorption method or with the transparency parameter fails to comply, shall have a value which deviates from the relevant parametric value for that parameter specified in Schedule 3 by more than 50 per cent; and

(c)

consecutive samples of the waters taken in accordance with Schedule 2 at statistically suitable intervals shall not when tested deviate from the relevant parametric values specified in Schedule 3.