Term
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Definition
| The reduction of the quality of the water by the introduction of impurities. |
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Term
| What year did the Clean Water Act pass? |
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Definition
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Term
| Three processes used in remediation of a polluted area |
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Definition
1. Bio remediation.
2. Chemical remediation.
3. Digging by reclamation teams. |
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Term
| Why has the amount of groundwater pollution changed since the Industrial Revolution? |
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Definition
| The increase in population. |
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Term
| Where was the first sewage plant? |
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Definition
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Term
| What river caught on fire twice? |
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Definition
| Cuyahoga River in Cleveland, Ohio. |
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Term
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Definition
Pollution released into the environment from a specific site.
Ex: gasoline spill, septic tank. |
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Term
| Non-point Source Pollution |
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Definition
Pollution released into the environment over a broad area.
Ex: Fertilizer, pesticide runoff. |
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Term
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Definition
| Materials which are consumed and destroyed in a reasonable amount of time by organisms which live naturally in the soil and water. |
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Term
| Non-biodegradable Pollutants |
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Definition
| Materials which are not decomposed by environmental chemicals or consumed by decay organisms. |
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Term
| Three categories of non-biodegradable pollutants |
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Definition
1. Pesticide, dioxin, PCBs.
2. Excess sediment.
3. Toxic inorganic compounds. |
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Term
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Definition
| Dispersal of contamination. |
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Term
| List the average time for water in reservoirs: Atmosphere, rivers, glaciers, large lakes, shallow groundwater, deep groundwater. |
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Definition
Atmosphere- 8 days.
Rivers- 16 days.
Glaciers- 40 years.
Large lakes- 100 years.
Shallow groundwater- 200 years.
Deep groundwater- 10,000 years. |
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Term
| Sequence of steps in treating a contaminated aquifer. |
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Definition
Discovery.
Eliminate.
Monitor.
Model.
Remediate. |
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Term
| Elimination of the source |
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Definition
Eliminate the pollution source so additional contaminants don't enter the soil/water.
Does not solve the problem for pollutants which have already escaped. |
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Term
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Definition
| Determine how far, what direction, and how fast the plume is moving. |
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Term
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Definition
| A computer model is developed to predict the future dispersion of the contaminant through the aquifer. |
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Term
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Definition
| Process of cleaning up the pollutants. |
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