Toxic mine drainage

Toxic mine drainage means water that is discharged from active or abandoned mines or other areas affected by coal exploration or surface coal mining and reclamation operations, which contains a substance that through chemical action or physical effects is likely to kill, injure, or impair biota commonly present in the area that might be exposed to it.

Source

30 CFR § 701.5

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Scoping language

As used in this chapter, the following terms have the specified meanings, except where otherwise indicated:

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