December 22, 2004

Issued to CH2M Hill Mound, Inc. related to a Radioactive Contamination Event during Remediation Activities at the Miamisburg Closure Project

On December 22, 2004, the U.S. Department of Energy (DOE) issued a nuclear safety Enforcement Letter to CH2M Hill Mound, Inc. regarding the contamination of employees during removal of an underground radioactive material waste line at the Mound site.