After exhaustive research, the pair allege the contraction of these diseases was the result of excessive exposure to cancer-causing carcinogens that are emitted from Zambonis, used to cut and clean the ice surface at the Flyers practice facility, and the result of the training room, where they have worked for the past two decades, butting up against the Zamboni room where these carcinogenic chemicals were potentially ingested extensively due to inappropriate ventilation or through a shared drainage system.