Horsehead Holding Corp. Provides Restart Update for its Monaca, PA Plant (ZINC)

Horsehead Holding Corp. ZINC today provided an update on efforts aimed at restarting operations at its Monaca, PA refining facility. The Monaca plant's zinc oxide and metal refinery remains temporarily shutdown. This shutdown commenced immediately following the July 22, 2010 incident at the plant. Teams from the U.S. Occupational, Safety and Health Administration (OSHA), the U.S. Chemical Safety & Hazard Investigation Board)and Horsehead continue their separate investigations into the cause and the circumstances that may have contributed to the occurrence of this incident.