ENS 44430
ENS Event | |
|---|---|
20:41 Aug 20, 2008 | |
| Title | Massachusetts Agreement State Report - Radiation Greater than Ten Times Limit |
| Event Description | [A] technician working with a 113 Ci Ir-192 source set off high radiation alarms at [the QSA Global facility] which caused the immediate evacuation of the building. Radiation surveys outside the building indicated a dose rate of approximately 3 Mr/hr at a distance of 25 feet from the exterior of the building. Radiation safety staff performed a source retrieval to recover the source and place it in a shielded container; the building was reoccupied approximately 30 minutes later.
Preliminary investigation of the technician indicated his electronic dosimeter (worn on the side of the body closest to the source) showed an exposure of 720 mRem. The technician was not wearing his extremity ring badge at the time, however the radiation safety officer calculated a maximum exposure to the tips of the maximally exposed fingers to be approximately 2 Rem. Dosimetry for both the technician involved and another that was nearby when the incident occurred have been sent to the vendor for immediate processing. Radiation Safety staff from QSA are performing additional investigations and will report back to the [MA Radiation Control Program Office] when more information becomes available. State of Massachusetts was notified by the licensee of this incident at 0621 on August 21, 2008.
The Massachusetts Radiation Control Program (RCP) has received the 30 day report from the licensee, QSA Global. This report confirms that the event which occurred on August 20, 2008 was not an overexposure event. The licensee reported levels of radiation in an unrestricted area in excess of ten times the limits specified in 105 CMR 120.221. This report was provided to the Agency (RCP) pursuant to 105 CMR 120.283. Notified R1DO (Dimitriadis) and FSME (White). |
| Where | |
|---|---|
| Qsa Global, Inc. Burlington, Massachusetts (NRC Region 1) | |
| License number: | 12-8361 |
| Organization: | Ma Radiation Control Program |
| Reporting | |
| Agreement State | |
| Time - Person (Reporting Time:+11.63 h0.485 days <br />0.0692 weeks <br />0.0159 months <br />) | |
| Opened: | Robert Gallaghar 08:19 Aug 21, 2008 |
| NRC Officer: | Dan Livermore |
| Last Updated: | Sep 15, 2008 |
| 44430 - NRC Website | |
Qsa Global, Inc. with Agreement State | |
WEEKMONTHYEARENS 560302022-07-25T04:00:00025 July 2022 04:00:00
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