Related to the spread of radiological contamination outside of the established radiological boundary of the Plutonium Finishing Plant at Hanford. 

On April 1, 2019, the U.S. Department of Energy Office of Enterprise Assessments’ Office of Enforcement issued a Preliminary Notice of Violation (NEA-2019-01) to CH2M Hill Plateau Remediation Company related to the spread of radiological contamination outside of the established radiological boundary of the Plutonium Finishing Plant at the Hanford site. 

Preliminary Notice of Violation, CH2M Hill Plateau Remediation Company

Press Release, DOE Cites CH2M Hill Plateau Remediation Company for Nuclear Safety Program Violations at the Hanford site