acid mine drainage
Liquid drainage from bituminous coal mines containing a high concentration of acidic sulfates, especially ferrous sulfate.
The term "acid mine drainage" was found in the following pages:
Researchers Find Alga that Influence Arsenic Cycling in Hot Springs | EVISA's News
Directory of scientists: Eva Krupp
Link database: USGS Method I-2193-02: Laboratory arsenic speciation, nitric acid mobile phase, ICP-MS detection, dissolved
Journals database: Asian Journal of Water, Environment and Pollution
Preservation of arsenic speciation in natural water samples for up to three months | EVISA's News