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Management of Commercially Generated Radioactive Waste - U.S. ...

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TABLE 3.4.2. Potential Disruptive Phenomena for <strong>Waste</strong> Isolation Repositories<br />

Natural Processes Natural Events Man-Caused Events Repository-Caused Processes<br />

* Climatic Fluctuations * Flood Erosion Improper Design/Operation: Thermal, Chemical Potential,<br />

Radiation, and Mechanical Force<br />

* Sea Level Fluctuations * Seismically Induced * Shaft Seal Failure Gradients:<br />

Shaft Seal Failure<br />

* Glaciation * Improper <strong>Waste</strong> Emplacement * Induced Local Fracturing<br />

e Meteorite<br />

* River Erosion Undetected Past Intrusion: * Chemical or Physical Changes<br />

in Local Geology<br />

* Sedimentation * Undiscovered Boreholes or Mine Shafts<br />

* Induced Ground-water Movement<br />

* Tectonic Forces Inadvertent Future Intrusion:<br />

* <strong>Waste</strong> Container Movement<br />

* Volcanic Extrusion * Archeological Exhumation<br />

* Increase in Internal Pressure<br />

* Igneous Intrusion * Weapons Testing<br />

* Shaft Seal Failure<br />

* Diapirism * Nonnuclear <strong>Waste</strong> Disposal<br />

* Diagenesis * Resource Mining (mineral, hydrocarbon,<br />

geothermal, salt)<br />

* New or Undetected<br />

Fault Rupture e Storage <strong>of</strong> Hydrocarbons or Compressed<br />

Air<br />

* Hydraulic Fracturing<br />

Intentional Intrusion:<br />

* Dissolution<br />

* War<br />

e Aquifer Flux Variation<br />

* Sabotage<br />

* <strong>Waste</strong> Recovery<br />

Perturbation <strong>of</strong> Ground-water System<br />

* Irrigation<br />

* Reservoirs<br />

* Intentional Artificial Recharge<br />

* Establishment <strong>of</strong> Population Center

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