S.L. 449.63 Art. 13Minimum requirements for treatment chemical substances and filter media that come into contact with water intendedforhuman consumption.      S.L. 430.09.

(1) For the purposes of regulation 5, the competent authority assisted by the supporting entity as established by the First

Schedule shall ensure that treatment chemicals and filter media that come into contact with water intended for human consumption:

(a) do not directly or indirectly compromise the protection of human health as provided for by these regulations;

(b) do not adversely affect the colour, odour or taste of the water;

(c) do not unintentionally enhance microbial growth; and

(d) do not contaminate the water at levels that are higher than necessary in view of the intended purpose.

(2) For the national implementation of the requirements of this regulation, regulation 5(2) shall apply accordingly.

(3) Pursuant to regulation 13(1), and without prejudice to

Regulation (EU) No 528/2012 of the European Parliament and of the

Council of 22 May 2012 concerning the making available on the market and use of biocidal products and the provisions of Biocidal

Products (Implementation of Regulation (EU) No 528/2012) Regulations, and by using relevant national and European standards for specific treatment chemicals or filter media, the competent authority assisted by the supporting entity as established in the First Schedule shall ensure that the purity of treatment chemicals and filter media is assessed and the quality of such chemicals and filter media is guaranteed.