Type B Accident Investigation of the September 29, 2010, Radiological Contamination Event During Separations Process Research Unit Building H2 Demolition

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November 23, 2010

On September 29, 2010, a radioactive contamination event occurred while performing open air demolition of Building H2 at the Separations Process Research Unit (SPRU) in Niskayuna, New York. Though initial indications demonstrated that low levels of contamination had been found on workers shoes and on KAPL property adjacent to the SPRU work activities, the magnitude and significance of the contamination event were not fully identified and understood by the SPRU project for several days.