Sentences with phrase «into tailings ponds»
It must heat several barrels of water to strip the bitumen from the sand and upgrade it, and afterward it discharges contaminated water into tailings ponds like the one near Mildred Lake.
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Its plans for the new Conga Mine included draining the lake and converting it into a tailings pond to collect the toxic mining byproducts, such as cyanide and arsenic.
Not exact matches
A court ruling this year against Syncrude Canada in the 2008 death of 1,600 waterfowl threw the existence of tailings ponds into a legal grey area that could expose mine operators to future lawsuits.
«Premier Christy Clark and the B.C. Liberals briefly swooped into Likely several days after the tailings pond failure assuring the town everything was all right, but then disappeared as the bad news rolled in,» said New Democrat leader John Horgan.
«Four years later, the tailings pond dam failed, and 25 million cubic metres of effluent spilled into the watershed.
Tailing Ponds It has been one year since a breach of a containment pond at the Obed Mine spilled 670 million litres of toxic tailings into the Athabasca River and its tributaries.
The tailings ponds where the cleaned sand is returned look ugly for a few years but are eventually reclaimed into grasslands.
In that case, the dam holding the tailings pond broke, sending 10 million cubic metres of debris into nearby lakes and streams.