Event Notification Report for July 27, 2000

                    U.S. Nuclear Regulatory Commission
                              Operations Center

                              Event Reports For
                           07/26/2000 - 07/27/2000

                              ** EVENT NUMBERS **

37151  37186  37187  

+------------------------------------------------------------------------------+
|Other Nuclear Material                           |Event Number:   37151       |
+------------------------------------------------------------------------------+
+------------------------------------------------------------------------------+
| REP ORG:  U.S. ARMY                            |NOTIFICATION DATE: 07/07/2000|
|LICENSEE:  U.S. ARMY                            |NOTIFICATION TIME: 15:22[EDT]|
|    CITY:  FORT CAMPBELL            REGION:  2  |EVENT DATE:        05/27/2000|
|  COUNTY:                            STATE:  KY |EVENT TIME:             [CDT]|
|LICENSE#:  12-00722-06           AGREEMENT:  Y  |LAST UPDATE DATE:  07/26/2000|
|  DOCKET:                                       |+----------------------------+
|                                                |PERSON          ORGANIZATION |
|                                                |MICHAEL JORDAN       R3      |
|                                                |SMITH                NMSS    |
+------------------------------------------------+                             |
| NRC NOTIFIED BY:  JEFF HAVENER                 |                             |
|  HQ OPS OFFICER:  BOB STRANSKY                 |                             |
+------------------------------------------------+                             |
|EMERGENCY CLASS:          N/A                   |                             |
|10 CFR SECTION:                                 |                             |
|BAB2 20.2201(a)(1)(ii)   LOST/STOLEN LNM>10X    |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
+------------------------------------------------------------------------------+

                                   EVENT TEXT                                   
+------------------------------------------------------------------------------+
| MISSING M43A1 CHEMICAL AGENT DETECTOR                                        |
|                                                                              |
| The licensee reported that one M43A1 chemical agent detector, containing 250 |
| �Ci of Am-241, had been lost during a field training exercise at Fort        |
| Campbell, KY. A field artillery unit had deployed the detector in accordance |
| with the field manual, but was later unable to locate the detector. Another  |
| unit may have taken the detector.                                            |
|                                                                              |
| * * * UPDATE AT 1017 ON 07/26/00 BY JEFF HAVENER TO JOLLIFFE * * *           |
|                                                                              |
| At 0920 CDT on 07/26/00, a U.S. Army representative located the subject      |
| detector in the fort calibration shop during an inventory.  The detector was |
| undamaged.                                                                   |
|                                                                              |
| The NRC Operations Officer notified the R3DO Tom Kozak.                      |
+------------------------------------------------------------------------------+

+------------------------------------------------------------------------------+
|Fuel Cycle Facility                              |Event Number:   37186       |
+------------------------------------------------------------------------------+
+------------------------------------------------------------------------------+
| FACILITY: CE NUCLEAR POWER                     |NOTIFICATION DATE: 07/26/2000|
|   RXTYPE: URANIUM FUEL FABRICATION             |NOTIFICATION TIME: 15:22[EDT]|
| COMMENTS: LEU CONVERSION (UF6 to UO2)          |EVENT DATE:        07/25/2000|
|           COMMERCIAL LWR FUEL                  |EVENT TIME:        17:00[CDT]|
|                                                |LAST UPDATE DATE:  07/26/2000|
|    CITY:  HEMATITE                 REGION:  3  +-----------------------------+
|  COUNTY:  JEFFERSON                 STATE:  MO |PERSON          ORGANIZATION |
|LICENSE#:  SNM-33                AGREEMENT:  N  |THOMAS KOZAK         R3      |
|  DOCKET:  07000036                             |CHARLES MILLER       IRO     |
+------------------------------------------------+ELMO COLLINS         NMSS    |
| NRC NOTIFIED BY:  ROBERT SHARKEY               |                             |
|  HQ OPS OFFICER:  FANGIE JONES                 |                             |
+------------------------------------------------+                             |
|EMERGENCY CLASS:          N/A                   |                             |
|10 CFR SECTION:                                 |                             |
|NBNL                     RESPONSE-BULLETIN      |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
+------------------------------------------------------------------------------+

                                   EVENT TEXT                                   
+------------------------------------------------------------------------------+
| NRC BULLETIN 91-01, 24 HOUR REPORT                                           |
|                                                                              |
| The following is taken from the report faxed to the NRC concerning a         |
| degradation of criticality controls:                                         |
|                                                                              |
| EVENT DESCRIPTION                                                            |
|                                                                              |
| At approximately 1700 on 07/25/2000, six cans without  moisture ok  tags     |
| were discovered on the Erbia can conveyer storage system. Under guidance of  |
| the criticality safety engineer, the cans were moved and staged with proper  |
| spacing. The cans were than sampled and laboratory results confirmed that    |
| each can contained less than the 1.0 wt.% water limit for the conveyer       |
| storage. Thus, no unsafe condition existed.                                  |
|                                                                              |
| SAFETY SIGNIFICANCE OF EVENT: Medium significance, because most of the scrap |
| generated in cans is unmoderated and confirmatory samples verified that the  |
| contents of each can were less than 1.0 wt.% water.                          |
|                                                                              |
| SAFETY EQUIPMENT STATUS: N/A                                                 |
|                                                                              |
| STATUS OF CORRECTIVE ACTIONS: The cans were moved and staged with            |
| appropriate spacing.                                                         |
|                                                                              |
| POTENTIAL CRITICALITY PATHWAYS INVOLVED (BRIEF SCENARIO(S) OF HOW            |
| CRITICALITY COULD OCCUR):                                                    |
|                                                                              |
| Calculations demonstrate that a single row of cans will remain subcritical.  |
| Therefore, in order for a criticality to occur, the cans would have to       |
| contain moderated contents and additional cans would have to have been       |
| misplaced before a criticality would have been possible.                     |
|                                                                              |
| CONTROLLED PARAMETERS:                                                       |
|                                                                              |
| Moderation is the primary controlled parameter. Each can stored on conveyer  |
| storage racks is required to contain less than 1.0 wt.% water.               |
|                                                                              |
| ESTIMATED AMOUNT, ENRICHMENT, FORM OF LICENSE MATERIAL:                      |
|                                                                              |
| The six cans contained approximately a total of 106.4 kg of U02 powder and   |
| scrap. The maximum enrichment was 4.95% U-235. The cans also contained       |
| erbium neutron absorber.                                                     |
|                                                                              |
| CORRECTIVE ACTIONS TO RESTORE SAFETY SYSTEM AND WHEN EACH WAS IMPLEMENTED:   |
|                                                                              |
| The cans are stored with proper spacing and meetings are planned for each    |
| shift to discuss the event and reemphasize criticality safety practices.     |
|                                                                              |
| Notification of this report was made to NRC Inspector (Frank Gee) who was    |
| onsite at the time conducting inspection of the criticality controls.        |
+------------------------------------------------------------------------------+

+------------------------------------------------------------------------------+
|Power Reactor                                    |Event Number:   37187       |
+------------------------------------------------------------------------------+
+------------------------------------------------------------------------------+
| FACILITY: BYRON                    REGION:  3  |NOTIFICATION DATE: 07/26/2000|
|    UNIT:  [] [2] []                 STATE:  IL |NOTIFICATION TIME: 20:05[EDT]|
|   RXTYPE: [1] W-4-LP,[2] W-4-LP                |EVENT DATE:        07/26/2000|
+------------------------------------------------+EVENT TIME:        18:33[CDT]|
| NRC NOTIFIED BY:  KELLY WELTY                  |LAST UPDATE DATE:  07/26/2000|
|  HQ OPS OFFICER:  FANGIE JONES                 +-----------------------------+
+------------------------------------------------+PERSON          ORGANIZATION |
|EMERGENCY CLASS:          N/A                   |THOMAS KOZAK         R3      |
|10 CFR SECTION:                                 |                             |
|ARPS 50.72(b)(2)(ii)     RPS ACTUATION          |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|UNIT |SCRAM CODE|RX CRIT|INIT PWR|   INIT RX MODE  |CURR PWR|  CURR RX MODE   |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|                                                   |                          |
|2     A/R        Y       100      Power Operation  |0        Hot Standby      |
|                                                   |                          |
+------------------------------------------------------------------------------+
                                   EVENT TEXT                                   
+------------------------------------------------------------------------------+
| REACTOR TRIP DUE TO STEAM GENERATOR LOW LEVEL                                |
|                                                                              |
| The '2C' steam generator feedwater regulating valve failed closed for an     |
| unknown reason, this led to low level in the steam generator causing a       |
| reactor trip.  The plant's system responded as designed and all control rods |
| fully inserted.  The steam generator power operated relief valves opened     |
| momentarily then fully shut.  The plant is presently stable in Hot Standby   |
| with feed from the auxiliary feedwater pumps and heat removal via the steam  |
| dumps to the main condenser.  An investigation is in progress to determine   |
| the cause of the main feedwater regulating valve closure.                    |
|                                                                              |
| The licensee notified the NRC Resident Inspector.                            |
+------------------------------------------------------------------------------+


Page Last Reviewed/Updated Thursday, March 12, 2020