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Groundwater pollution potential by the industrial wastes.
| Pollution level | |||
|---|---|---|---|
| Low | Medium | High | |
| Continuous | Leakage of sewers and industrial wastewater treatment units | Leachate percolated from Industrial wastes landfills | Leakage of Industrial reactors, underground and aboveground reservoirs |
| Intermittent | Leakage of Industrial sites | Discharge of Industrial effluents | |
| Accidental | Suddenly and severe spills | ||
