The following was received from the State of
Mississippi via email:
During Fall shutter checks and inventory, on 9/18/2015, an Ohmart-Vega fixed gauge, DEA-2102, device model no. SHLM-BR1, (housing serial no. 13530993) (source serial no. 8533CN), was discovered to have an open/stuck shutter, the source disconnected, and was unable to be moved into the closed position. The RSO [Radiation Safety Officer] contacted the manufacturer and arrangements for repair are in motion. DRH [Mississippi Division of Radiological Health] was notified on 1/15/2016 and recommended that RSO take surveys with a survey measurement of the source. On 1/22/2016, [the] RSO provided readings that did not exceed 0.02 mR/hr at the surface of the steel drum that encloses the gauge and the source. The gauge and source is sealed in the steel drum and is only accessible by the manufacturer. The source is not in a designated work area, and is not causing exposure limits beyond the limits for radiation control to the general public and occupational workers.
Isotope: Cs-137
Activity: 40mCi
Mississippi report # MS-16001
- * * UPDATE FROM ROBERT SIMS TO DANIEL MILLS AT 1724 EDT ON 03/18/16 * * *
The following was received from the State of Mississippi via email:
DRH [Department of Radiological Health] received vendor's field service update on 3/17/2016, from RSO. Report states that shutter failure was due to fatigue and the harsh environment to the roll pin that holds the two rods together. The source holder was repaired and leak test performed. DRH forwarded updated report to NRC on 3/17/2016. All Updated information on the source repair, the cause of the failure and all corrective action was forwarded the HOO on 3/18/2016.
Violation issued for failure to report event to Mississippi State Department of Radiological Health within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
Notified R4DO (Haire) and
NMSS Events Notification (email).