Regulation 13 Sampling at treatment works

Subject to F1paragraph (6), in each year every water undertaker or F2wholesale licensee must take or cause to be taken, from the point at which water leaves each treatment works which it uses to supply water to water supply zones, the standard number of samples for analysis—

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Samples required to be taken by this regulation must be taken at regular intervals.

Where a particular treatment works is in use for part only of a year, the minimum number of samples to be taken from that works in that year must bear to the standard number or, as the case may be, F4the number specified in a current notice given by the Secretary of State under regulation 9 which departs from the standard number, the same proportion as the number of days in that year in which the treatment works has been in use bears to 365.

In this regulation, “the standard number” has the same meaning as in regulation 9