| U.S. Nuclear Regulatory Commission
Operations Center Event Reports For
07/13/2017 - 07/14/2017 ** EVENT NUMBERS ** |
 | Agreement State | Event Number: 52842 | Rep Org: KENTUCKY DEPT OF RADIATION CONTROL
Licensee: MURRAY STATE UNIVERSITY
Region: 1
City: HOPKINSVILLE State: KY
County:
License #: GL
Agreement: Y
Docket:
NRC Notified By: MARISSA VEGA VELEZ
HQ OPS Officer: STEVE SANDIN | Notification Date: 07/06/2017
Notification Time: 10:32 [ET]
Event Date: 06/19/2017
Event Time: [CDT]
Last Update Date: 07/06/2017 | Emergency Class: NON EMERGENCY
10 CFR Section:
AGREEMENT STATE
| Person (Organization):
MARC FERDAS (R1DO)
NMSS_EVENTS_NOTIFICA (EMAI)
ILTAB (EMAI)
|
| This material event contains a "Less than Cat 3 " level of radioactive material. | Event Text AGREEMENT STATE REPORT - LOSS OF Ni-63 GAS CHROMATOGRAPH SOURCE
The following information was received from the Commonwealth of Kentucky via email:
"On July 5, 2017, Murray State University [General License 401-111-20] reported the loss of an electron capture detector (ECD) contained in a Hewlett-Packard gas chromatograph model 6890. The ECD contained 15 mCi of Ni-63, S/N US00000603. The licensee stated they shipped the ECD on 1/14/16 by [common carrier] to Agilent Technologies, Inc. On 6/19/17 Agilent Technology verified with the licensee they had not received the device. The licensee believes the package containing the ECD was picked up with other items shipped that day by mistake."
Kentucky Event Report ID No.: KY170006
THIS MATERIAL EVENT CONTAINS A "LESS THAN CAT 3" LEVEL OF RADIOACTIVE MATERIAL
Sources that are "Less than IAEA Category 3 sources," are either sources that are very unlikely to cause permanent injury to individuals or contain a very small amount of radioactive material that would not cause any permanent injury. Some of these sources, such as moisture density gauges or thickness gauges that are Category 4, the amount of unshielded radioactive material, if not safely managed or securely protected, could possibly - although it is unlikely - temporarily injure someone who handled it or were otherwise in contact with it, or who were close to it for a period of many weeks. For additional information go to http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf |
| Part 21 | Event Number: 52852 | Rep Org: CURTISS WRIGHT
Licensee: NOVA MACHINE PRODUCTS
Region: 3
City: MIDDLEBURG HEIGHTS State: OH
County:
License #:
Agreement: Y
Docket:
NRC Notified By: FRANK FURFARI
HQ OPS Officer: DONG HWA PARK | Notification Date: 07/13/2017
Notification Time: 15:39 [ET]
Event Date: 07/13/2017
Event Time: [EDT]
Last Update Date: 07/13/2017 | Emergency Class: NON EMERGENCY
10 CFR Section:
21.21(d)(3)(i) - DEFECTS AND NONCOMPLIANCE
| Person (Organization):
ANTHONY DIMITRIADIS (R1DO)
PART 21/50.55 REACTO (EMAI)
| Event Text PART 21- HEX CAP SCREWS PRODUCED WITH PRE-EXISTING CRACKS
The following was submitted by the licensee via facsimile:
"This Part 21 initial notification is being submitted pursuant to the requirements of 10CFR21.21(d)(3)(i).
"Initial Notification for Hex Cap Screws produced from one heat of material - Nova Machine Products Fastener Part Numbers BPRT.008227.30, BPRT.008468.30, and BPRT.008342.30.
"This Part 21 initial notification addresses Nova Machine Products hex cap screws which contain pre-existing cracks as a result of a manufacturing process error (Forged blanks were rapidly cooled after forging instead of air cooled).
"The fasteners in question were all produced from one heat of material, which was used to produce one blank size, which was then used to produce the three hex cap screw part numbers stated above.
"Fasteners were only supplied to Exelon TMI and Exelon Peach Bottom and are isolated to one heat of material and one manufacturing run. Containment actions are already underway with Exelon and Nova Machine.
"Nova Machine and Exelon have been and continue to be in communication on this matter. This appears to be an isolated instance.
"If there are any questions pertaining to this communication, please contact Frank Furfari, Sr. Quality Assurance Manager at 216-898-8394." |
| Part 21 | Event Number: 52857 | Rep Org: CRANE NUCLEAR, INC.
Licensee: CRANE NUCLEAR, INC.
Region: 3
City: BOLINGBROOK State: IL
County:
License #:
Agreement: Y
Docket:
NRC Notified By: SAMSON KAY
HQ OPS Officer: DONG HWA PARK | Notification Date: 07/13/2017
Notification Time: 17:59 [ET]
Event Date: 06/05/2017
Event Time: [CDT]
Last Update Date: 07/13/2017 | Emergency Class: NON EMERGENCY
10 CFR Section:
21.21(d)(3)(i) - DEFECTS AND NONCOMPLIANCE
| Person (Organization):
ANTHONY DIMITRIADIS (R1DO)
BRIAN BONSER (R2DO)
PART 21/50.55 REACTO (EMAI)
| Event Text PART 21 - DEFECTIVE SAFETY RELATED VALVES
The following was excerpted from a letter by Crane Nuclear, Inc.:
"The plug valve designs provided for XOMOX model figure numbers 037AX, 067EG, and 037. These valves have been identified as used in nuclear and/or safety related applications.
"The stem for the Subject valve models was identified as being undersized based on allowable yield stress analysis of the stem while in torsion. The high stress condition was due to the high torque required to seat/unseat the plug when installed with a Ultra High Molecular Weight Polyethylene (UHMWPE) sleeve material. High friction factor inherent with this material causes torsional stress to exceed the upper limit of yield strength of the valve which could result in fatigue/yielding of the stem, thus preventing the valve from opening and closing while in service. Historical research performed thus far has not identified any notifications from the customer(s) regarding stem failure of the subject valves, indicating that the valves may still be in operation with no performance related or operating issues.
"The corrective action which has been, is being, or will be taken; the name of the individual or organization responsible for the action; and the length of time that has been or will be .token to complete the action.
"Notifications letters have been sent to the affected plants advising them of the condition, and recommending that the sleeve material be replaced with a lower friction Polytetrafluomethylene (PTFE) material that would significantly reduce the required input operating torque, thereby reducing the risk of failure of the stem material.
"XOMOX has been advised to modify design calculations to provide a larger margin for allowable yield strength of the stem material to ensure the stem is properly sized when Ultra High Molecular Weight Polyethylene (UHMWPE) sleeve material is used.
"Crane will continue to review XOMOX records to determine if any other sites are impacted, which we expect to complete by August 31, 2017.
"Should you have any questions regarding this matter, please contact Samson Kay, Manager of Engineering at (630) 226-4983 or Jennifer Bregovy, Manager of Quality and Safety at (630) 226-4949."
The following facilities received these safety related orders: TVA Sequoyah, Pennsylvania Power & Light Susquehanna. | |