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Event Notification Report for August 11, 2004

U.S. Nuclear Regulatory Commission
Operations Center

Event Reports For
08/10/2004 - 08/11/2004

** EVENT NUMBERS **


40929 40930 40931 40938

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General Information or Other Event Number: 40929
Rep Org: COLORADO DEPT OF HEALTH
Licensee: COLORADO SCHOOL OF MINES
Region: 4
City: GOLDEN State: CO
County:
License #: 627-01
Agreement: Y
Docket:
NRC Notified By: STEVE TARITON
HQ OPS Officer: STEVE SANDIN
Notification Date: 08/06/2004
Notification Time: 11:35 [ET]
Event Date: 08/03/2004
Event Time: [MDT]
Last Update Date: 08/06/2004
Emergency Class: NON EMERGENCY
10 CFR Section:
AGREEMENT STATE
Person (Organization):
MIKE RUNYAN (R4)
TOM ESSIG (NMSS)

Event Text

AGREEMENT STATE REPORT INVOLVING DETECTION OF A PLATED SOURCE LEAK

"This report is sent in compliance with RH 4.58. On August 3, 2004, we received notification from our monitoring service that a wipe of a licensed plated source tested positive for leakage. The wipe was taken on June 30, 2004. The source is a 3 milliCurie, Curium 244, plated source, manufactured by Isotope Products Lab, model number AFR244-3M. We inspected the source and confirmed that it was leaking. The plated surface appears to be slightly corroded. A leak test conducted on December 30, 2003, did not detect any leakage, so the leakage started sometime during the ensuing 6 months.

"The source was stored inside a plastic box. The box was in a plastic baggy. The baggy was in a storage cabinet in Meyer Hall Laboratory 147. We removed the plastic baggy and all its contents including the leaking source. This material was placed in a sealed plastic jar and is in storage in our Hazardous Material Management Facility.

"We surveyed the area around the storage location with a thin window pancake GM detector and found no obvious contamination. We have also taken numerous wipes in and around the storage location. These will be analyzed by Liquid Scintillation Counting to determine if further decontamination is necessary. The storage cabinet has been placed off-limits until analysis of wipes is completed.

"Interviews with faculty members and graduate students indicate that no one has touched the source during the last six months.

"We will report the leak to the manufacturer."

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General Information or Other Event Number: 40930
Rep Org: ARKANSAS DEPARTMENT OF HEALTH
Licensee: UNKNOWN
Region: 4
City: DUMAS State: AR
County:
License #:
Agreement: Y
Docket:
NRC Notified By: JARED THOMPSON
HQ OPS Officer: BILL GOTT
Notification Date: 08/06/2004
Notification Time: 14:01 [ET]
Event Date: 08/05/2004
Event Time: [CDT]
Last Update Date: 08/06/2004
Emergency Class: NON EMERGENCY
10 CFR Section:
AGREEMENT STATE
Person (Organization):
MIKE RUNYAN (R4)
TRISH HOLAHAN (NMSS)

Event Text

AGREEMENT STATE - RECOVERED DEVICE CONTAINING RADIOACTIVE MATERIAL

"On August 5, 2004, the Arkansas Department of Health, Radioactive Materials Program, recovered a device containing radioactive material from a scrap metal yard in Dumas, Arkansas. Radiation readings at contact with the port opening are 60-70 mR/hour. It appears that the shutter is open and the source is in the open position. Radiation readings at one meter from the port opening are 0.15 mR/hour.

"Analysis by the Department's Radiochemistry Laboratory identify the isotope as Krypton-85. The activity is unknown. The device is 4 inches (wide) by 3.5 inches (height) by 6.5 inches (length). The device is mounted on 10 inch diameter steel plate. There are no radiation markings or labeling on the device."

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General Information or Other Event Number: 40931
Rep Org: TENNESSEE DIV OF RAD HEALTH
Licensee: AEROJET ORDNANCE TENNESSEE INC
Region: 1
City: JONESBORO State: TN
County:
License #: S-90009
Agreement: Y
Docket:
NRC Notified By: BILLY FREEMAN
HQ OPS Officer: BILL GOTT
Notification Date: 08/06/2004
Notification Time: 15:11 [ET]
Event Date: 08/04/2004
Event Time: 13:00 [EDT]
Last Update Date: 08/06/2004
Emergency Class: NON EMERGENCY
10 CFR Section:
AGREEMENT STATE
Person (Organization):
MOHAMED SHANBAKY (R1)
TOM ESSIG (NMSS)

Event Text

AGREEMENT STATE REPORT

"Event description: The licensee called to report a fire in the depleted uranium (DU) machining bay. The fire spread into the ventilation duct and filter housing. The fire was contained inside the ventilation duct and filter housing. The fire blistered the paint on the ventilation ducting and Torit filter housing and breached the ventilation system filters (bag and HEPA). A minor release to the environment occurred through the stack. Visible smoke was observed coming through the stack for a 6 - 8 minute period until the ventilation blast gate was closed. Air sample data indicated the uranium in air concentration in the machining area was 2% DAC. The air effluent concentration through the stack was 15% of the effluent limit. Personnel were evacuated from the DU machining area and from the office areas. Production at the grinder will not restart until the cause of the fire is known and corrective actions can be taken to prevent reoccurrence. A written report will be submitted to the Division.

Report number: TN-04-105

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Other Nuclear Material Event Number: 40938
Rep Org: EARTH ENGINEERING, INC.
Licensee: EARTH ENGINEERING, INC.
Region: 1
City: UPPER CHICHESTER State: PA
County:
License #: 3728492-01
Agreement: N
Docket:
NRC Notified By: WARD MCMASTER
HQ OPS Officer: MIKE RIPLEY
Notification Date: 08/10/2004
Notification Time: 17:28 [ET]
Event Date: 08/10/2004
Event Time: 15:30 [EDT]
Last Update Date: 08/10/2004
Emergency Class: NON EMERGENCY
10 CFR Section:
INFORMATION ONLY
Person (Organization):
RAYMOND LORSON (R1)
DAN GILLEN (NMSS)
BETSY ULRICH (R1)

Event Text

DAMAGED TROXLER DENSITY GAUGE

At approximately 1530 ET on 08/10/04, a Troxler density gauge (Model # 3440, S/N 35192, 8 milliCuries Cs-137 and 40 milliCuries Am-241/Be) was run over by a compactor at a construction site in Upper Chichester, PA. The gauge source rod was bent, preventing retraction of the source point into its shield. The licensee secured the area and performed radiation surveys. No external contamination was found. The licensee has contacted Troxler who will send a shipping container for returning the gauge for repair. In the interim, the licensee plans on transporting the gauge to their facility in East Norton, PA. Established a conference with NMSS (D. Gillen) and Region 1 (E. Ulrich) who provided advice to the licensee on transporting the gauge.

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Friday, March 30, 2012