AS 3500.1 pdf download – Amdt 1-2005 Plumbing and drainage Part 1 Water services (3) Page 10 Clause 2.3 Delete first and second paragraphs and replace with the following: Materials and products in contact with drinking water，rainwater，recycled water，or anycombination of these water supplies, shall comply with AS/NZS 4020.Linings and coatingsshall comply with AS/NZS 4020 at a surface area to volume...