From a news release via Intellihub:
TORONTO — So far 350 people have confirmed their attendance on the Facebook page and over 1,000 have signed the online petition.
Hydrofluorosilicic acid has been added to the community water supply in Toronto for 50 years. It is a toxic waste byproduct of phosphate fertilizer production that is commonly used for fluoridation in The United States and Canada. It has been shown to cause leaching of lead from pipes and is contaminated with arsenic, mercury and radionuclides. Continue reading