Superfund Site Profile
The 225-acre Oremet-Wah Chang (OWC) plant (formerly Teledyne Wah Chang) site is located in Millersburg, Oregon. It is one of the largest producers of rare earth metals and alloys in the United States. The site consists of a 110-acre plant and a 115-acre area made up of four ponds containing sludges from the plant's wastewater treatment facility. It also includes a 60-acre field where sludges containing radium were used as a soil amendment. Process wastes disposed of on the site contained radionuclides, heavy metals and chlorinated solvents. Following cleanup, operation and maintenance activities and monitoring are ongoing.