4.—(1) This paragraph applies where the appropriate signage and management measures for short-term pollution are in place in accordance with regulations 8 and 12 and a short-term pollution incident is occurring or is predicted to occur.
(2) SEPA may decide not to include samples taken during a short-term pollution incident in the set of bathing water quality data for a bathing water.
(3) As soon as possible after the end of the short-term pollution incident, SEPA must take one additional sample in order to verify that the incident has ended.
(4) SEPA must not include the sample taken under sub-paragraph (3) in the set of bathing water quality data for a bathing water.
(5) 7 days after the end of the short-term pollution incident, SEPA must, if necessary, take an additional sample to ensure that it has the minimum number required for the bathing water for the bathing season.
(6) The number of samples disregarded under sub-paragraph (2) by SEPA must represent no more than the greater of–
(a)15 percent of the total number of samples provided for in the monitoring calendars for the relevant assessment period and that bathing season; or
(b)one sample per bathing season.