1930s-1970s – Properties and sites in Town of Port Hope become contaminated/1930s-1970s – Properties and sites in Town of Port Hope become contaminated

1935
1930s-1970s – Properties and sites in Town of Port Hope become contaminated
Properties and sites in Port Hope become contaminated from spillage during transportation, unrecorded, unmonitored or unauthorized diversion of contaminated fill and materials, wind/water erosion and spread from residue storage areas.