>https://globalnews.ca/news/3806457/massive-carfentanil-seizure-at-pickering-home/
There was a New Jersey bust of 45 kg of Carfentanyl and the police there said it was enough to poison 18 million people.
https://www.cnn.com/2018/01/29/health/nj-largest-fentanyl-seizure-trnd/index.html