The Ontario Building Code | Lead Waste Pipe and Fittings

7.2.7.8. Lead Waste pipe and Fittings

(1) Lead waste pipe and fittings shall not be used in a water system or for a building sewer.

(2) When there is a change in size of a lead closet bend, the change shall be in the vertical section of the bend or made in such a manner that there shall be no retention of liquid in the bend.

7.2.8. Corrosion Resistant Materials