ENS 52110
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ENS Event | |
|---|---|
23:05 Jul 18, 2016 | |
| Title | Agreement State Report - Radiographer Unplanned Exposure |
| Event Description | The following report was received via e-mail:
On July 18, 2016, at approximately 1705 MT, the Colorado Department of Public Health and Environment received a call on its incident notification phone from the acting Radiation Safety Officer (RSO) for Mistras Group, Inc., (CO License CO 963-01). The acting RSO reported that while a Grand Junction, CO based crew was performing industrial radiography activities at a fabrication shop/area in Coburn, CO on June 18, 2016. A radiographer received an estimated whole body dose of approximately 500 mrem, and an estimated extremity dose of approximately 12 rem (12,000 mrem) due to the radiographer handling the guide tube while the source was still present in the guide tube. The source had reportedly become hung up in the guide tube, but at the time of the exposure the radiographer believed the source had been returned to the shielded position. The radiographer was not reportedly using a survey instrument at the time he approached the source just prior to the exposure event. The assistant radiographer remained near the source crank and did not have direct contact with the source containing guide tube. The assistant radiographer reportedly received approximately 20 mrem (whole body dose), based upon his pocket dosimeter reading. The source in use at the time of the incident was contained in a SPEC 150 imaging device with approximately 60 Ci of Iridium-192. Dosimeters for the radiographer and assistant radiographer have been submitted to the licensee dosimetry provider and results are pending. The radiographer has been restricted from further work involving radioactive materials until the licensee can complete an investigation. The guide tube equipment has been taken out of service and is being evaluated by the licensee for possible defects. |
| Where | |
|---|---|
| Marathon Martinez Renewable Fuels Grand Junction, Colorado (NRC Region 4) | |
| License number: | Co 963-01 |
| Organization: | Colorado Dept Of Health |
| Reporting | |
| Agreement State | |
| Time - Person (Reporting Time:+40.15 h1.673 days <br />0.239 weeks <br />0.055 months <br />) | |
| Opened: | James Jarvis 15:14 Jul 20, 2016 |
| NRC Officer: | Mark Abramovitz |
| Last Updated: | Jul 20, 2016 |
| 52110 - NRC Website
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Martinez Refining Company with Agreement State | |
WEEKMONTHYEARENS 580622025-11-24T06:00:00024 November 2025 06:00:00
[Table view]Agreement State Extremity Exposure Exceeding Limits ENS 571702024-06-04T17:34:0004 June 2024 17:34:00 Agreement State Agreement State Report - Stuck Source ENS 564882023-04-25T04:00:00025 April 2023 04:00:00 Agreement State Damaged Radiography Camera ENS 559712022-06-16T07:00:00016 June 2022 07:00:00 Agreement State Lost Shipment ENS 558722022-05-02T05:00:0002 May 2022 05:00:00 Agreement State Radiography Source Disconnect ENS 557172022-01-28T05:00:00028 January 2022 05:00:00 Agreement State Radiography Camera Equipment Failure ENS 556672021-12-17T03:00:00017 December 2021 03:00:00 Agreement State Radiography Device Safety Latch Failure ENS 530332017-10-19T16:05:00019 October 2017 16:05:00 Agreement State Agreement State Report - Whole Body Monitor Exceeded the Annual Occupational Exposure Limit ENS 527042017-04-20T17:30:00020 April 2017 17:30:00 Agreement State Agreement State Report - Unsecured Radiography Camera ENS 521992016-08-24T05:00:00024 August 2016 05:00:00 Agreement State Agreement State Report - Potential Radiographer Overexposure ENS 521102016-07-18T23:05:00018 July 2016 23:05:00 Agreement State Agreement State Report - Radiographer Unplanned Exposure ENS 516412015-12-19T06:00:00019 December 2015 06:00:00 Agreement State Agreement State Report - Human Error Prevents a Radiography Source from Retracting ENS 516082015-12-11T22:38:00011 December 2015 22:38:00 Agreement State Agreement State Report - Unattended Radiographic Exposure Device ENS 503422014-05-30T00:30:00030 May 2014 00:30:00 Agreement State Agreement State Report - Failure of Source to Retract ENS 498162014-02-09T18:35:0009 February 2014 18:35:00 Agreement State Agreement State Report - Radiography Camera Left Unattended ENS 498172014-02-09T14:00:0009 February 2014 14:00:00 Agreement State Agreement State Report - Radiography Camera Source Disconnect ENS 496362013-12-14T08:00:00014 December 2013 08:00:00 Agreement State Agreement State Report - Stuck Radiography Source ENS 490092013-05-06T05:00:0006 May 2013 05:00:00 Agreement State Agreement State Report - Stuck Radiography Source 2025-11-24T06:00:00 | |
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