23. The products and materials used for the work referred to in section 4, paragraphs 1 and 2 of section 5.1 and section 10 that come in contact with drinking water must comply with the safety requirements in the most recent edition of NQ Standard 3660-950 — Safety of Products and Materials in Contact with Drinking Water or NSF/ANSI Standard 61 — Drinking Water System Components — Health Effects.
Despite the first paragraph, the requirement for compliance with NQ Standard 3660-950 applies only as of 1 April 2013 for the work referred to in paragraphs 2 to 4 of section 4, paragraphs 1 and 2 of section 5.1 and subparagraph b of subparagraph 1 of the first paragraph of section 10.
O.C. 635-2008, s. 23; O.C. 1033-2011, s. 9; O.C. 722-2015, s. 1.