Director / Editor: Victor Teboul, Ph.D.

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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Cheap sewer pipe repairs can push toxic fumes into homes and schools – here's how to lower the risk

By Andrew J. Whelton, Professor of Civil, Environmental & Ecological Engineering, Director of the Healthy Plumbing Consortium and Center for Plumbing Safety, Purdue University

A wave of infrastructure projects is coming as federal funds pour in. Cities need to know the risks from the cheapest, most popular repair method and how to avoid harm.

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