Point Source (PS) Pollution
  Point source pollution is the source of surface or ground water pollution that originates from a well-defined source. Examples include: mining activities, industrial effluent; large animal containment facilities; city waste water treatment discharges; or chemical spills. Point sources commonly are associated with pipeline discharges of some type. In Molycorp's case, acid mine drainage (AMD) through its waste rock dumps (WRD) has been characterized as point source pollution of both surface and ground water. Several point sources of pollution are identified on the Molycorp mine site in the Report on Hydrological Connection Associated With Molycorp Mining Activity, Questa, New Mexico, prepared for USEPA, Region 6, NPDES Permits Branch.
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