The Ontario Building Code | Pipe and Fittings
18.104.22.168. pipe and Fittings
(1) pipes and fittings to be used for drainage and venting ="http://thehandyforce.com/interior/bathroom-renovations/" title ="Toronto Bathroom renovation inspiration">venting of acid and corrosive wastes shall conform to,
(a) ASTM A518/A518M, "Corrosion-Resistant High-Silicon Iron Castings",
(c) CAN/CSA-B181.3, "Polyolefin and Polyvinylidene Fluoride (PVDF) Laboratory drainage Systems".
7.2.9. Jointing Materials