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• Koppers Inc. settles with EPA for alleged oil spill prevention violations in West Virginia, Pennsylvania

  EPA News Release: Koppers Inc. settles with EPA for alleged oil spill prevention violations in West Virginia, Pennsylvania

  • Release Date: November 19, 2020

• Nearing Full Implementation, EPA’s Lean Management System Delivers Results

  EPA News Release: Nearing Full Implementation, EPA’s Lean Management System Delivers Results

  • Release Date: November 12, 2020