Horsehead Corporation has told Pennsylvania officials it will close its Monaca zinc smelting plant by Dec. 31, affecting the jobs of 510 people who work there.
The plant is being closed because the company is nearing completion of a new smelter in Mooresboro, N.C., which will begin production this year. Horsehead has said the new plant will employ about 250.
A plant closing notice the company sent today to the state Department of Labor and Industry said 449 of the Monaca workers are represented by the United Steelworkers union.
The company expects the North Carolina plant will increase earnings before interest, taxes and other items by $90 million to $100 million a year.
Royal Dutch Shell has an option on the site of the Monaca plant, where it is considering building an ethane cracker plant.
Len Boselovic: email@example.com or 412-263-1941.