| 21. | The alternative to use of the lake for waste disposal was building of tailing ponds which would have displaced wetlands.
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| 22. | There have been five mine tailings pond spills from 1995 to 1999, one of which resulted in a major fish kill.
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| 23. | The close proximity of the tailing ponds to the river drastically increases the likelihood of contamination due to ground water leakages.
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| 24. | Moreover, these methanogens change the structure of the tailings pond and help the pore water efflux to reuse for processing oil sands.
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| 25. | As the lake is downstream from abandoned uranium mine sites and their associated tailings ponds, the water is significantly contaminated with cobalt.
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| 26. | For every barrel of oil produced approximately one barrel of water is contaminated in the process and deposited into a tailings pond.
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| 27. | In 1997, Suncor admitted that their tailing ponds had been leaking 1, 600 cubic meters of toxic water into the river a day.
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| 28. | :Floatovoltaics are an emerging form of PV systems that float on the surface of irrigation canals, water reservoirs, quarry lakes, and tailing ponds.
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| 29. | Also known as "'bird balls "', they were developed initially to prevent birds from landing on toxic tailing ponds produced by mining operations.
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| 30. | By 2010 Suncor had transformed their first tailings pond, Pond One, into Wapisiw Lookout, the first reclaimed settling basin in the oil sands.
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