This section has no associated Explanatory Memorandum
12. The Department may monitor the substances numbered 5, 21, 28, 30, 35, 37, 43 and 44 in Table 47 of Part 2 of Schedule 1 less intensively than is required for priority substances under regulation 11 and Annex V to the Water Framework Directive, provided that the monitoring—
(a)is representative and a statistically robust baseline is available regarding the presence of those substances in the aquatic environment; and
(b)takes place for each of the substances at least every three years, unless technical knowledge and expert judgment justify another interval.