§ Dr. WhiteheadTo ask the Secretary of State for the Environment, Transport and the Regions how many water companies have proscribed the use of ribbed thin wall plastic piping in sewerage installations. [22758]
§ Angela EagleOf the ten major water and sewerage companies, two have suspended the use of ribbed thin wall plastic piping and a third has placed a temporary restriction on its use. The remaining seven companies allow a range of pipe materials for sewerage installations. Choice of pipe material depends on a number of factors including relevant site conditions.