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26 Cards in this Set
- Front
- Back
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What are the sources of water pollution?
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oil pollution, sewage treatment plant, nuclear reactor, industrial wastes, crop dusting, acid rain, acid water from mines, sediments, barnyard wastes, fertilizer runoff.
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Biological damaging effects of this chemical include: causes mutations
carcinogenic birth defects causes still births causes nervous disorders |
hexachlorobenzene
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Biological damaging effects of this chemical include: causes mutations
carcinogenic causes nervous disorders liver damage lung damage |
Chloroethylene (vinyl chloride)
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Biological damaging effects of these chemicals include: causes mutations
carcinogenic birth defects causes still births causes nervous disorders liver damage |
Polychlorinated biphenyls (PCB's)
and Tetrachlorodibenzo dioxin |
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Biological damaging effects of this chemical include: causes mutations
causes still births causes nervous disorders |
Toluene
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With the phenomena of bio-accumulation... the concentration has increased how much?
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10 million times
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DDT concentrations in parts per million in water?
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0.000003
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DDT concentrations in parts per million in planktonic algae?
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0.04
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DDT concentrations in parts per million in zooplankton?
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0.2
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DDT concentrations in parts per million in small fish?
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2.0
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DDT concentrations in part per million in fish-eating birds?
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20.0
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The normal pH of rain water is what?
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5.6
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Rain water falling in northeastern United States and southeastern Canada now has a pH between what?
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5.0 and 4.0
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There is very strong evidence that the increase of rainwater acidity is a result of what?
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burning fossil fuels
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What to chemicals combine with water to make acids in the atmosphere?
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sulfur dioxides and nitrogen oxides
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This called for a 10 million ton reduction in sulfur dioxide emissions and a 2 million ton reduction in nitrogen oxide emissions in the United States by the year 2000.
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1990 Clean Air Act.
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What is an important natural buffer to acid deposition?
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Calcium Carbonate
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In Norway and Sweden, at least _____ lakes contain no fish and an additional ______ lakes are threatened.
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16,000
52,000 |
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In Canada, some _____ lakes are almost fishless and an additional _____ lakes are in peril because of excess acidity.
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14,000
150,000 |
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In the United States, about _____ lakes are threatened.
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9000
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Nineteen countries in Europe have reported woodland damage ranging from ____ to ____ percent of the forested area in Yugoslavia and Sweden.
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5% to 15%
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Reported woodland damage percentage in the Netherlands, Switzerland, and the former West Germany?
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50%
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More than _____ of Europe's forests are now damaged.
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1/5th
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The insecticides as used for plant protection?
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Chorinated Hydrocarbons
Organophosphates Carbamates |
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Broad-spectrum insecticide that is a nerve poison that cause convulsions, paralysis, and death.
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Chlorinated Hydrocarbons (DDT)
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Broad- and narrow-spectrum insecticides that is a nerve poison that inactivate the enzyme that transmits nerve impulses.
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Organophosphates
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