(2) "Discharge" means any emission, other than natural seepage, whether intentional or unintentional, and includes, but is not limited to, spilling, leaking, pumping, pouring, emitting, emptying, or dumping.

(2) "Discharge" means leakage, seepage, or other release of hazardous materials on land or into a river, stream, lake, or other body of water or into the air.