ENS 53670: Difference between revisions
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Upon locking out the nuclear gauge at approximately 11:00am, the nuclear gauge user identified that the cable connecting the source capsule housing (torpedo) to the source holder retrieval mechanism had become detached. The source capsule housing appears to be in its normal operating location at the bottom of the equipment guide tube in the boot of the vessel, however, due to the disconnected cable it cannot be retrieved. The following precautionary measures were taken to ensure minimal potential for exposure (1) no vessel entry permits will be issued for the vessel (2) the area around the boot was barricaded to restrict entry. | Upon locking out the nuclear gauge at approximately 11:00am, the nuclear gauge user identified that the cable connecting the source capsule housing (torpedo) to the source holder retrieval mechanism had become detached. The source capsule housing appears to be in its normal operating location at the bottom of the equipment guide tube in the boot of the vessel, however, due to the disconnected cable it cannot be retrieved. The following precautionary measures were taken to ensure minimal potential for exposure (1) no vessel entry permits will be issued for the vessel (2) the area around the boot was barricaded to restrict entry. | ||
There is no additional risk of radiation exposure to members of the general public or radiation workers due to the failure of the equipment function. | There is no additional risk of radiation exposure to members of the general public or radiation workers due to the failure of the equipment function. | ||
The source capsule housing is scheduled to be retrieved, shielded, and shipped for transfer to QSA Global by VEGA Americas, Inc. on 10/18/18. | The source capsule housing is scheduled to be retrieved, shielded, and shipped for transfer to QSA Global by VEGA Americas, Inc. on 10/18/18. | ||
| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2018/ | | URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2018/20181025en.html#en53670 | ||
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Latest revision as of 00:00, 24 February 2020
| Where | |
|---|---|
| Exxon Mobil Refining & Supply Co. Billings, Montana (NRC Region 4) | |
| License number: | 25-03375-01 |
| Organization: | Exxon Mobil Refining & Supply Co. |
| Reporting | |
| 10 CFR 30.50(b)(2), Licensed Material Protection Equipment Failure | |
| Time - Person (Reporting Time:+12.68 h0.528 days <br />0.0755 weeks <br />0.0174 months <br />) | |
| Opened: | Brent Haddow 18:41 Oct 16, 2018 |
| NRC Officer: | Phil Natividad |
| Last Updated: | Oct 16, 2018 |
| 53670 - NRC Website | |