French Get a Free Radon Consultation Today Contact us for a free consultation on all Radon related matters. Email arthur@radongatineau.com Telephone Arthur: 613-203-9753 Address 8 Chemin du Parc. Chelsea Quebec J9B1C2 Radon Gatineau mitigation systems all come with a lifetime guarantee and a five year fan replacement warranty. We are proud a Member of Canadian Association of Radon Scientists and Technologists (CARST).