| 1. | The first large-scale sequestration project which began in 1996 is called saline aquifer.
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| 2. | Leakage of back into the atmosphere may be a problem in saline aquifer storage.
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| 3. | Saline aquifers have been used for storage of chemical waste in a few cases.
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| 4. | Declining oil fields, saline aquifers, and unminable coal seams have been suggested as storage sites.
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| 5. | The main advantage of saline aquifers is their large potential storage volume and their common occurrence.
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| 6. | A saline aquifer still flows beneath the surface and replenishes the salt whenever the water table rises.
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| 7. | The major disadvantage of saline aquifers is that relatively little is known about them compared to oil fields.
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| 8. | The major disadvantage of saline aquifers is that relatively little is known about them, especially compared to oil fields.
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| 9. | Sequestration of in saline aquifers is being tested throughout the United States, with a larger test currently underway in Illinois.
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| 10. | The project has moved to a second stage and is investigating carbon dioxide trapping in a saline aquifer 1500 meters below the surface.
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