[1] At the time, the Canadian dollar was pegged at .925 US dollars:
https://en.wikipedia.org/wiki/Canadian_dollar#Evolution_in_the_20th_century
[2] For reference, the Soviet Union paid $1.12 billion in compensation to its own citizens for Chernobyl, and AFAIK no reparations were paid to foreign nations:
https://www.upi.com/Archives/1986/1...nsation-for-Chernobyl-disaster/3146534834000/
[3] Similar to the OTL deal: See Walter Gordon: A Political Memoir, pp. 269 and 276
[4] In OTL Gordon considered resigning in May 1967. See Walter Gordon: A Political Memoir, pp. 266