Arch Coal Subsidiaries to Make System-Wide Upgrades to Reduce Pollution Entering U.S. Waters

<> Arch Coal Subsidiaries to Make System-Wide Upgrades to Reduce Pollution Entering U.S. Waters - U.S. EPA and the Department of Justice (DOJ) announced that Arch Coal Inc., one of the nation's largest coal companies, and 14 of its subsidiaries under the International Coal Group Inc. (ICG) have agreed to conduct comprehensive upgrades to their operations to ensure compliance with the Clean Water Act.