June 6, 1997
Preliminary Notice of Violation issued to Kaiser-Hill Company related to a Radioactive Material Release during Trench Remediation at the Rocky Flats Environmental Technology Site, June 6, 1997 (EA-97-03)
This letter refers to the Department of Energy's (DOE) evaluation of noncompliances associated with an increasing trend in the number of criticality safety infractions and an unauthorized movement of six drums in a criticality infracted room of [building]. These issues were identified by your staff through self-assessment and timely awareness of management to the unauthorized movement. This letter also refers to an incident involving an unplanned dispersal of radioactive material during remediation of trenches.