Pooled Analysis by Type of Ban Modification. Ban Type Full Ban from No Ban: Thunder Bay. Partial Ban From No Ban: Durham Region. Full Ban from Partial: Sudbury. Strengthening of Partial Ban: Hamilton, Peel Region, York Region, Toronto. No Change to Existing Full Ban: London, Guelph, Waterloo, Ottawa. No Change to Existing Partial Ban: Simcoe, Windsor, Niagara, Halton.