EESA06H3 Lecture 11: Lecture 11 notes

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16 Apr 2011
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Exam friday 9-12, 120 questions m/c, gym: chapter 20 + concentrate on plate tectonics (subduction/cross sections/obduction/name & label. When it rains and snow melts, water goes down through the waste and produces something called lehchate". the lechate" then moves out from the bottom of the pit as a plume something like smoke. modern landfills need to have liners thick plastic liners, clay layers, pipes to collect the lehchate. there is about 1200 landfills in southern ontario: remediation of contaminated sites. brown field sites sites that we used years ago and people want to reuse for buildings. a lot of chemicals are used to clean up remediated sites. Horse manure helped clean up a site that was contaminated with gasoline: radon gas. a product of the break down of uranium. radon gas is colorless, odorless, invisible www. notesolution. com.

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