1. The Department must ensure that each sample taken in accordance with a monitoring programme is—
(a)representative of the water at the sampling point at the time of sampling;
(b)not contaminated in the course of being taken;
(c)for the chemical parameters copper, lead and nickel taken without prior flushing and is a random daytime sample of one litre volume;
(d)for chemical parameters in the distribution network be undertaken in accordance with ISO 5667-5, other than where the sample is taken from a consumer’s tap;
(e)for microbiological parameters taken and handled according to EN ISO 19458, sampling purpose A and B;
(f)kept at such temperature and in such conditions as will secure that there is no material alteration of a concentration, value or state of any parameter/measurement/observation for which the sample is to be analysed; and
(g)analysed as soon as may be possible after it has been taken—
(i)by a person who is competent to perform that task; and
(ii)with the use of such equipment as is suitable for the purpose.