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Event Notification Report for May 20, 2020

U.S. Nuclear Regulatory Commission
Operations Center

Event Reports For
5/19/2020 - 5/20/2020

** EVENT NUMBERS **


54702 54703 54704 54705 54706 54718 54719 54720 54721

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Agreement State Event Number: 54702
Rep Org: ILLINOIS EMERGENCY MGMT. AGENCY
Licensee: TESTING SERVICE CORPORATION
Region: 3
City: CAROL STREAM   State: IL
County:
License #: IL-01178-01
Agreement: Y
Docket:
NRC Notified By: Gary Foresee
HQ OPS Officer: Brian Lin
Notification Date: 05/11/2020
Notification Time: 21:55 [ET]
Event Date: 05/11/2020
Event Time: 00:00 [CDT]
Last Update Date: 05/11/2020
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
ANN MARIE STONE (R3DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)

Event Text

AGREEMENT STATE REPORT - TROXLER GAUGE DESTROYED BY BULLDOZER

The following was received from the Illinois Emergency Management Agency via email:

"The Illinois Emergency Management Agency (IEMA) communications center was notified at approximately 1942 [CDT] on 5/11/20 by the radiation safety officer for Testing Service Corp., license number IL-01178-01, to advise that a gauge user operating a Troxler model 3440 was struck by a bulldozer. The gauge user is reportedly fine, but the gauge was destroyed. The density gauge, serial number 72404, contains 8 mCi of Cs-137 and 40 mCi of Am-241/Be. Reportedly the source rod remained intact and both sources were identified and recovered into a lead drum. The licensee does possess a Geiger Muller survey meter and reported an external survey rate of 0.4 mR/hour on the outside of the drum (0.0 mR/hour is the reported background). The incident occurred at the southeast corner of Vollmer and Harlem in Matteson, IL. The sources were transported back to the licensee's facility. Agency inspectors are meeting with the licensee at 0700 [CDT] on 5/12/20 to verify the recovery of both sources, perform gross leak tests, advise on appropriate follow-up actions, and perform a site survey in Matteson. The licensee has already been in contact with the manufacturer for advice and instructions for returning the sources."

Illinois Event No.: IL200007

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Agreement State Event Number: 54703
Rep Org: FLORIDA BUREAU OF RADIATION CONTROL
Licensee: Volkert Construction
Region: 1
City: Fort Myers   State: FL
County:
License #: 2472-2
Agreement: Y
Docket:
NRC Notified By: Reno Fabii
HQ OPS Officer: Andrew Waugh
Notification Date: 05/12/2020
Notification Time: 07:41 [ET]
Event Date: 05/11/2020
Event Time: 20:30 [EDT]
Last Update Date: 05/12/2020
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
CHRISTOPHER LALLY (R1DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
ILTAB (EMAIL)
This material event contains a "Less than Cat 3" level of radioactive material.

Event Text

AGREEMENT STATE REPORT - LOST GAUGE

The following is a summary of an email received from the state of Florida:

At approximately 2030 EDT on 5/11/2020, a Troxler density gauge (serial number: 28189) fell off the back of one of the licensee's trucks because the chain securing the gauge's case was not properly attached. The gauge has not been located at this time. The gauge contains an 8 milliCurie Cs-137 source and a 40 milliCurie Am-241 source. Nearby police departments, the US Department of Transportation, and the Florida Department of Environmental Protection have all been notified.

Florida Incident Number: FL20-057

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

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Agreement State Event Number: 54704
Rep Org: FLORIDA BUREAU OF RADIATION CONTROL
Licensee: Mayo Clinic
Region: 1
City: Jackonsville   State: FL
County:
License #: 1812-3
Agreement: Y
Docket:
NRC Notified By: David Pieski
HQ OPS Officer: Andrew Waugh
Notification Date: 05/12/2020
Notification Time: 09:50 [ET]
Event Date: 05/11/2020
Event Time: 00:00 [EDT]
Last Update Date: 05/12/2020
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
CHRISTOPHER LALLY (R1DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)

Event Text

AGREEMENT STATE REPORT - PATIENT UNDERDOSE

The following is a summary of an email received from the state of Florida:

A patient underdose occurred during a Y-90 TheraSphere treatment at the licensee on 5/11/20. The patient was prescribed 2.48 GBq of Y-90, but only received 1.86 GBq (75% of the prescribed dose). The underdose was caused by the catheter being displaced during patient movement.

Florida Incident Number: FL20-056

A Medical Event may indicate potential problems in a medical facility's use of radioactive materials. It does not necessarily result in harm to the patient.

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Agreement State Event Number: 54705
Rep Org: PA BUREAU OF RADIATION PROTECTION
Licensee: Alaron Corporation
Region: 1
City: Wampum   State: PA
County:
License #: PA-0678
Agreement: Y
Docket:
NRC Notified By: John Chippo
HQ OPS Officer: Jeffrey Whited
Notification Date: 05/12/2020
Notification Time: 12:00 [ET]
Event Date: 05/11/2020
Event Time: 00:00 [EDT]
Last Update Date: 05/12/2020
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
CHRISTOPHER LALLY (R1DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)

Event Text

AGREEMENT STATE REPORT - RADIATION LEVEL ON PACKAGE EXCEEDS DOT LIMITS

The following was received via email:

"On May 11, 2020 the licensee received a 10 gallon drum that fell outside of the Department of Transportation (DOT) dose rate level limitations. The package came from Cadman Materials, Inc. in Vancouver WA. The material inside is a gauge with a Cs-137 sealed source inside with an activity of 100 millicuries (3700 MBq). The package was shipped as UN2915, Radioactive Material Type A Package with Yellow-II labeling and a Transport Index of 0.1. Upon survey at receipt, the container exhibited dose rates of 3.4 rem/hr on contact, 240 mrem/hr at 12 inches, and 18 mrem/hr at 3.3 feet. The delivering carrier, and the client, Cadman Materials, have been notified. The Pennsylvania Bureau of Radiation Protection will update this event as soon as more information is provided."

The event is reportable per 10 CFR 20.1906(d)(2).

PA Event Report ID No: PA200012

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Agreement State Event Number: 54706
Rep Org: TEXAS DEPT OF STATE HEALTH SERVICES
Licensee: Ineos Oligomers Chocolate Bayou
Region: 4
City: Alvin   State: TX
County:
License #: G02551
Agreement: Y
Docket:
NRC Notified By: Art Tucker
HQ OPS Officer: Kerby Scales
Notification Date: 05/12/2020
Notification Time: 14:02 [ET]
Event Date: 05/10/2020
Event Time: 00:00 [CDT]
Last Update Date: 05/12/2020
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
NEIL O'KEEFE (R4DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)

Event Text

AGREEMENT STATE REPORT - NUCLEAR GAUGE BROKEN LOCKING MECHANISM

The following was received by the state of Texas via email:

"On May 12, 2020, the Agency [Texas Department of State Health Services] was notified by the licensee that the locking mechanism on a Endress Houser nuclear gauge model number FQG61 had broken off the gauge housing preventing them from locking the shutter in the closed position. The gauge contains a 100 millicurie (original activity) cesium-137 source. The shutter operates normally. The licensee reported the gauge will not present an exposure risk to any individual. The licensee stated it is in the process of trying to schedule repairs to the gauge. Additional information will be provided as it is received in accordance with SA 300."

Texas Incident Number: 9766

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Power Reactor Event Number: 54718
Facility: Watts Bar
Region: 2     State: TN
Unit: [] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: Philip Stevens
HQ OPS Officer: Brian P. Smith
Notification Date: 05/19/2020
Notification Time: 19:57 [ET]
Event Date: 05/19/2020
Event Time: 13:29 [EDT]
Last Update Date: 05/19/2020
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(3)(v)(D) - Accident Mitigation
Person (Organization):
MARK MILLER (R2DO)
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
2 N N 0 Hot Standby 0 Hot Standby

Event Text

CONTROL ROOM ENVELOPE INOPERABLE

"At 1329 EDT on May 19, 2020, it was discovered that the main control room (MCR) envelope was inoperable due to a control room envelope (CRE) door being found ajar; therefore, this condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v). The CRE door was closed, restoring the MCR envelope to operable at 1331 EDT. There was no impact on the health and safety of the public or plant personnel.

"The NRC Resident Inspector has been notified."

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Non-Power Reactor Event Number: 54719
Facility: Dow Chemical Company
RX Type: 300 Kw Triga Mark I
Comments:
Region: 0
City: Midland   State: MI
County: Midland
License #: R-108
Agreement: N
Docket: 05000264
NRC Notified By: Siaka Yusuf
HQ OPS Officer: Brian P. Smith
Notification Date: 05/19/2020
Notification Time: 20:28 [ET]
Event Date: 05/19/2020
Event Time: 19:30 [EDT]
Last Update Date: 05/21/2020
Emergency Class: Unusual Event
10 CFR Section:
50.72(a) (1) (i) - Emergency Declared
Person (Organization):
WILLIAM GOTT (IRD)
BETH REED (NPR)
GEOFFREY WERTZ (NPR)
HO NIEH (NRR)
JEFFREY GRANT (IRD)

Event Text

NOTICE OF UNUSUAL EVENT DUE TO DAM BREAK AND POTENTIAL FLOODING AT SITE

At approximately 1930 EDT on May 19, 2020, the Dow Chemical Company TRIGA Reactor received notification of an upstream dam break in Sanford, Michigan and the potential to flood the facility. A Notification of Unusual Event was subsequently declared at 1930 EDT.

The reactor was in a shutdown condition at the time of the event and has been due to COVID-19.

The licensee is monitoring the flood situation in the area and licensee personnel have responded to the site. The NRC remains in the normal mode of operations.

Notified DHS SWO, FEMA Operations Center, CISA IOCC, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email).

* * * UPDATE ON 5/21/2020 AT 0850 EDT FROM SIAKA YUSUF TO JEFFREY WHITED * * *

At 0850 EDT on May 21, 2020, the Dow Chemical Company TRIGA Reactor Terminated the Notification of Unusual Event. The event was terminated after flood water receded. The flood water receded faster than was expected.

As stated, the reactor was in a shutdown condition at the time of the event. There was no effect on the reactor due to the flood water.

Notified NPR PM (Wertz and Reed), NRR EO (Miller) IR MOC (Grant), DHS SWO, FEMA Operations Center, CISA IOCC, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email).

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Power Reactor Event Number: 54720
Facility: Watts Bar
Region: 2     State: TN
Unit: [1] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: Michael Bruchey
HQ OPS Officer: Brian P. Smith
Notification Date: 05/20/2020
Notification Time: 12:07 [ET]
Event Date: 05/20/2020
Event Time: 05:21 [EDT]
Last Update Date: 05/20/2020
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(3)(iv)(A) - Valid Specif Sys Actuation
Person (Organization):
MARK MILLER (R2DO)
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
1 N N 0 Defueled 0 Defueled
2 N N 0 Hot Standby 0 Hot Standby

Event Text

AUTOMATIC ACTUATION OF EMERGENCY DIESEL GENERATORS

"At 0521 EDT on May 20, 2020, with Unit 2 in Mode 3 at 0 percent power and Unit 1 defueled, an actuation of the Emergency Diesel Generator (EDG) System occurred while transferring the 1B-B 6.9kV Shutdown Board (SDBD) from the maintenance feed to its normal power supply. The reason for the 1B-B 6.9kV SDBD failing to transfer to the normal power supply is under investigation. The EDGs automatically started as designed when a valid actuation signal was received.

"The event is being reported in accordance with 10 CFR 50.72(b)(3)(iv)(A) as an event that results in a valid actuation of the EDGs.

"There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified."

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Part 21 Event Number: 54721
Rep Org: Diablo Canyon
Licensee: Marsh Bellofram
Region: 4
City:   State: CA
County: San Luis Obispo
License #:
Agreement: Y
Docket: 50-323
NRC Notified By: Ken Cortese
HQ OPS Officer: Brian P. Smith
Notification Date: 05/20/2020
Notification Time: 14:07 [ET]
Event Date: 05/18/2020
Event Time: 11:57 [PDT]
Last Update Date: 05/20/2020
Emergency Class: Non Emergency
10 CFR Section:
21.21(d)(3)(i) - Defects And Noncompliance
Person (Organization):
RYAN ALEXANDER (R4DO)
- PART 21/50.55 REACTORS (EMAIL)

Event Text

PART 21 REPORT - INADEQUATE DEDICATION OF REPLACEMENT THERMOCOUPLES

The following is a summary from the Diablo Canyon Part 21 Report submitted:

On May 18, 2020, Pacific Gas and Electric (PG&E) completed its evaluation of a deviation concerning commercial-grade thermocouples dedicated at Diablo Canyon Power Plant. The original defect was discovered on April 10, 2020 during bench testing where two separate thermocouples exhibited leakage during static pressure testing. The two thermocouples were tested as part of a spare safety-related pump motor refurbishment. Upon subsequent review, it was identified that a pressure boundary test had not been required as part of the dedication process, but should have for its safety-related application. These components were not installed in the plant and there was no risk to the health and safety of the public. Thermocouples from the same batch have been quarantined to prevent installation, and it has been confirmed that none of the suspect batch of thermocouples have been installed in the plant. The thermocouple replacement part evaluation has been revised to include a pressure boundary test as part of the commercial-grade dedication prior to acceptance.

Thermocouple Make and Model: March Bellofram 3060-2-JJ-2-13.00-0-1-000

The NRC Resident Inspectors have been notified.

This report only affects Diablo Canyon Power Plant.

The person informing the Nuclear Regulatory Commission:
Kenneth Cortese
Quality Verification Director
Diablo Canyon Power Plant
Pacific Gas and Electric
805-440-367


Page Last Reviewed/Updated Friday, June 19, 2020
Friday, June 19, 2020