ENS 51608
ENS Event | |
|---|---|
22:38 Dec 11, 2015 | |
| Title | Agreement State Report - Unattended Radiographic Exposure Device |
| Event Description | The following report was received from the State of Ohio via email:
On 12-11-2015, at 1738 EST, a radiographic exposure device was left unattended by licensee personnel and found by a customer's employee. Licensee's investigation indicated that their crew had performed 2 exposures at 2 minutes and 30 seconds on each exposure. Customer operations wanted to get their nuclear gauges back online as soon as possible so when the last exposure was complete the radiographer sent the assistant to let [the Customer] operations know they were complete. The radiographer then broke down everything and picked up the assistant [radiographer] at the ops building. They then drove back to the trailer where the radiographer went to the smoking area and the assistant went to the restroom. When the assistant came out they both went to back of the vehicle to grab film and they realized that the source was not in the vehicle. They immediately drove back to the area. While enroute back to the location of the radiography work they received a phone call from the customer's project manager that an employee had located an unattended exposure device. When the crew arrived, they determined the device was in the same place where they left it and the device was locked. Estimated time that the device was unsecured was 15 minutes. They surveyed the device, secured the device in the vehicle, and went back to the trailer. The licensee left a voice mail at ODH [Ohio Department of Health] at 1819 EST describing the situation. There was an immediate safety stand down put in place and no further exposures were to be made. On Saturday morning, 12/15/15, there was a conference call made at 0706 EST to the licensee's crews that were working. The crew that was involved in the incident were suspended from any radiographic work until a full investigation was made. On 12-14-2015, the [licensee's] RSO [Radiation Safety Officer] conducted a site visit and there was another safety meeting held with all crews on site. The exposure device was an 880 Delta made by QSA, the device contained 33.2 curies of IR-192, the source was made by QSA, model number 424-9. A more detailed report is expected from the licensee. Ohio State NMED Report: OH150013 THIS MATERIAL EVENT CONTAINS A "CATEGORY 2" LEVEL OF RADIOACTIVE MATERIAL Category 2 sources, if not safely managed or securely protected, could cause permanent injury to a person who handled them, or were otherwise in contact with them, for a short time (minutes to hours). It could possibly be fatal to be close to this amount of unshielded radioactive material for a period of hours to days. These sources are typically used in practices such as industrial gamma radiography, high dose rate brachytherapy and medium dose rate brachytherapy. For additional information go to http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf |
| Where | |
|---|---|
| Marathon Martinez Renewable Fuels Heath, Ohio (NRC Region 3) | |
| License number: | 03320460000 |
| Organization: | Ohio Bureau Of Radiation Protection |
| Reporting | |
| Agreement State | |
| Time - Person (Reporting Time:+90.63 h3.776 days <br />0.539 weeks <br />0.124 months <br />) | |
| Opened: | Stephen James 17:16 Dec 15, 2015 |
| NRC Officer: | John Shoemaker |
| Last Updated: | Dec 15, 2015 |
| 51608 - 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 | |