The following information was obtained from the state of
Texas via email:
On March 3, 2017, SunTrac Services called about licensee Marathon Petroleum. They reported a stuck shutter found yesterday afternoon on a vessel. The line level indicator device was found with the shutter stuck open (normal operating position) during preparations to empty the vessel for entry to complete maintenance on the vessel. The measuring device was a Vega model SHF2 containing a Cs-137, 500 milliCurie source, serial number 0174CO. The device was removed from the fluid catalytic cracking unit and placed in storage by Suntrac Services, per authorization on their license. A lead plate will be affixed to the gauge to cover the source. The device will be serviced by either the manufacture or TexStar servicing company within the next two weeks while the vessel undergoes maintenance. There is no risk of exposure to any employees or member of the public. A written report will be provided in the next 30 days as per the consultant.
Updates will be in accordance with SA-300.
Texas Incident #: I-9469