Related by context. Frequent words. (Click for all words.) 70 Walkerton Ont 56 Walkerton 46 listeriosis outbreak 43 listeria outbreak 42 Premier Ernie Eves 39 Maple Leaf Foods 39 tainted 38 tailing ponds 38 Saturna Island 38 tailings ponds 38 Niagara Region 38 contaminate drinking 37 contaminated milk powder 37 Syncrude Canada 37 tar ponds 37 Ontario 37 EPCOR 37 Horizon rig 36 Waterloo Region 36 AECL 36 tainted infant formula 36 Heysel 36 contaminated 36 NB Power 36 Deepwater Horizon blowout 36 Kursk nuclear 36 RCMP 35 CN Rail 35 mad cow 35 tragedy 35 sickened 35 Hydro Ottawa 35 oilsands 35 entirely avoidable 35 sewage discharges 35 salmonella outbreaks 35 Larry Di Ianni 35 southwestern Ontario 35 Fort Chipewyan 35 sewage spills 35 Chalk River 35 Lesser Slave Lake 34 Menu Foods recalled 34 Pan Pharmaceuticals 34 listeriosis 34 Vegreville 34 Athabasca River 34 spills 34 aftermath 34 e.coli 34 Tainted 34 tailings pond 34 Halton Region 34 borne illnesses 34 drownings 33 TSX MFI 33 tragic 33 waterborne illnesses 33 Teenager dies 33 melamine tainted milk 33 TDSB 33 arsenic laced 33 Syncrude 33 Space Shuttle Challenger 33 Burrard Inlet 33 Irvings 33 unimaginable proportions 33 CFIA 33 Mayerthorpe 33 listeria 32 CN TSX CNR 32 Exxon Valdez 32 prevent reoccurrence 32 Manitoba 32 PEI 32 sewage overflows 32 Deepwater Horizon disaster 32 wake 32 Oilsands 32 Menu Foods Income 32 Food Inspection 32 catastrophic 32 Connors Bros. 32 melamine contaminated 32 Deepwater Horizon 32 raw sewage 31 borne 31 foodborne illness outbreaks 31 victims 31 Guelph 31 LCBO 31 OSPCA 31 Alberta oilsands 31 E.coli outbreak 31 Winnipeg 31 e coli 31 deepened 31 poisoned 31 Biblical proportions 31 Ont 31 Suncor Energy Inc.