"(...)
Before ever hearing of 'chemtrails', Canadians were the first to formerly complain to their federal government over what they identified as chemical spraying. In November 1999, an Opposition Defence Critic presented a petition to Parliament signed by 550 residents of Espanola, Ontario. The largely native community demanded an explanation and an end to aerial spraying by photo-identified USAF tankers, which they claimed was sickening children and adults over a 55 square mile area.

Laboratory tests of rainwater falling through the sky plumes being paid in X's and grid patterns over Espanola found levels of aluminum seven-times higher than federal health safety limits. The U.S. Air Force denied flying over Espanola. The Canadian Forces, which do not operate large squadrons of aerial tankers, eventually responded, saying, 'It's not us.' (...)"
http://www.holmestead.ca/chemtrails/soilradar.html