On November 17, 1997, at approximately 6:45 a.m., when a PTLA employee responded to a security alarm, the incident was discovered.
Office of Environment, Health, Safety & Security
February 1, 1998
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February 1, 1998
A property damage incident which occurred at the Los Alamos National Laboratory (LANL), Technical Area 35 (TA-35), Building 27, was investigated since the estimated damage was expected to exceed one million dollars. During the investigation, the DOE Accident Investigation Board (Board) used various analytical accident investigation techniques including accident analysis, barrier analysis, and event and causal factor analysis.