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The Private Water Supplies Regulations 1991

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Increased sampling frequency

16.—(1) Subject to paragraph (2), where the analysis of any sample taken by a local authority has established in respect of any parameter listed in column 1 of Parts I to IV of Schedule 3 that the prescribed concentration or value for that parameter has been contravened, the sampling frequency for that parameter shall be increased–

(a)for the remainder of that year, to the frequency specified in column (4) or, as the case may be, column (7) of that Schedule multiplied by the number of whole months in that period and divided by 12; and, where the result is not a whole number, rounded up to the nearest whole number;

(b)for subsequent years, to the frequency so specified.

(2) If, for a whole year during the period in which the sampling frequency in respect of a parameter has been increased in accordance with paragraph (1), no sample exceeds the prescribed concentration or value for that parameter, the local authority may revert to sampling in accordance with regulation 14.

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