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11 Cards in this Set
- Front
- Back
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Ground Water
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Water within the earth that supplies wells and springs
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Biodegradable
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Chemicals or products that break down as a result of natural processes in the enviroment
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International Joint Commision (IJC)
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The body set up by canada and the US in 1909 to deal with issus concerning the great lakes
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Source Control
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The obvious first step is to stop the contaminants
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Natural Recovery
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Frequently the best approach, its to give nature a chance to solve the problem.
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Enviromental dredging
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When natural recoveery is not enough, large dredging machines can remove dangerous materials. Very Expensive
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Thick Layer Capping
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Chemicals are sealed off from water by placing 20 to 100 cm of clean materials ( clay or sand) on to of them.
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Aquifer
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An underground layer of waterfilled rock or loose materials
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Open aquifer
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Water precolates into the aquifer from above through permeable soil, rock, etc.
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Closed aquifer
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Water canot percolate into the aquifer because it is surrounded by impermeable materials.
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United Nations Convention on the Law of the Sea ( UNCLOS)
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Put into force a legal agreement for promoting peaceful uses of the worlds oceans
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