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The Surface Waters (Abstraction for Drinking Water) (Classification) Regulations (Northern Ireland) 1996

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Compliance with relevant limits

4.—(1) Subject to paragraphs (2) and (3), any waters classified under these Regulations shall be treated in any year as complying with the limits specified in column I of Schedule 1 for waters of the relevant class in relation to a parameter if—

(a)95 per cent of the samples taken in relation to those waters in accordance with regulation 7 comply with the limits specified in column I of Schedule 1;

(b)none of the samples exceeds the limit by more than 50 per cent;

(c)there is no associated danger to public health where any of the samples exceeds the limit; and

(d)there have been no occasions on which consecutive samples so taken at statistically suitable intervals exceed the limit.

(2) Non-compliant samples shall be ignored for the purposes of paragraph (1) if they are the result of a flood, natural disaster or abnormal weather conditions.

(3) Paragraph 1(b) shall not apply in the case of any standard adopted by the Department in relation to temperature.

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