As of December 6, 2002, the federal contaminated sites and solid waste landfills inventory http://publiservice.tbs-sct.gc.ca/dfrp-rbif/cs-sc/home-accueil.asp?Language=EN did not list any federal contaminated sites in the riding of Perth--Middlesex, Ontario.
In the House of Commons on January 27th, 2003. See this statement in context.