U.S. Nuclear Regulatory Commission Operations Center Event Reports For 10/04/94 - 10/05/94 ** EVENT NUMBERS ** 27802 27857 27858 27859 27860 27861 27862 27863 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27802 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRAIDWOOD REGION: 3 |NOTIFICATION DATE: 09/20/94 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 06:13 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/20/94 | +------------------------------------------------+EVENT TIME: 02:05[CDT]| |NRC NOTIFIED BY: BEST |LAST UPDATE DATE: 10/04/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROY CANIANO RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD THE RUNNING MAIN CONTROL ROOM VENTILATION TRAIN TO | | AUTOMATICALLY SHIFT TO THE MAKEUP MODE DUE TO A HIGH RADIATION SIGNAL. | | | | THIS SIGNAL WAS RECEIVED WHEN THE INTAKE RAD MONITOR "OPA233" REACHED ITS | | ALARM SETPOINT. SUBSEQUENTLY SEVERAL OTHER RAD MONITORS REACHED THEIR ALARM | | SETPOINTS. AS A RESULT OF THIS, SEVERAL AIR SAMPLES WERE TAKEN THROUGH OUT | | THE PLANT AND THE READINGS APPEARED TO BE NORMAL. IT APPEARS THAT THE CAUSE | | OF THE RAD MONITORS REACHING THEIR ALARM SETPOINTS WAS DUE TO AN | | ATMOSPHERIC TEMPERATURE INVERSION WHICH OCCURRED PRIOR TO THE ALARMS. ALL | | RADIATION MONITOR LEVELS RETURNED TO NORMAL WITHIN 45 MINS. THE RI WILL BE | | INFORMED. | | | | * * * UPDATE AT 1154 ON 10/4/94 BY ZOLAN TAKEN BY WEAVER * * * | | THE LICENSEE IS RETRACTING THIS EVENT BECAUSE IT WAS AN INVALID ACTUATION | | OF A CONTROL ROOM VENTILATION SYSTEM. THE ACTUATION WAS INVALID BECAUSE IT | | WAS CAUSED BY A TEMPERATURE INVERSION (RADON AND DAUGHTER PRODUCTS). THE | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. THE HOO NOTIFIED THE RDO | | (BURGESS). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27857 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LASALLE REGION: 3 |NOTIFICATION DATE: 10/04/94 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 03:13 [ET]| |RX TYPE: [1] GE-5,[2] GE-5 |EVENT DATE: 10/04/94 | +------------------------------------------------+EVENT TIME: 00:00[CDT]| |NRC NOTIFIED BY: HENRY |LAST UPDATE DATE: 10/04/94 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WRIGHT RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SPURIOUS CONTAINMENT GROUPS 2 AND 4 INBOARD ISOLATIONS DUE TO BLOWN FUSE | | | | THE FOLLOWING IS TEXT OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "AT 0000 ON 10/4/94 A DIVISION 1 [INBOARD] GROUP 2 AND 4 ISOLATION SIGNAL | | WAS RECEIVED. AFTER VERIFICATION THAT NO VALID ISOLATION SIGNAL WAS | | PRESENT, THE ABNORMAL PROCEDURE FOR A SPURIOUS ISOLATION WAS ENTERED AND | | ISOLATIONS DEFEATED FOR THE HIGH STEAM TUNNEL TEMPERATURE AND DIFFERENTIAL | | TEMPERATURE ON BOTH UNITS. THE UNIT 2 STANDBY GAS TRAIN, WHICH AUTO | | STARTED, WAS SHUT DOWN (UNIT 1 STANDBY GAS WAS PREVIOUSLY RUNNING FOR ITS | | MONTHLY SURVEILLANCE). THE PROBLEM WAS TRACED TO A BLOWN FUSE FOR THE | | DIVISION 1 LEVEL 2 AND HIGH DRYWELL PRESSURE LOGIC. THE FUSE WAS REPLACED | | AND SYSTEMS RESTORED TO NORMAL. AT 0055 ALL ISOLATIONS DEFEATED BY THE | | SPURIOUS ISOLATION PROCEDURE WERE RESTORED TO NORMAL. WHILE THE CAUSE OF | | THE BLOWN FUSE IS UNCERTAIN, IT SHOULD BE NOTED AN INSTRUMENT MAINTENANCE | | SURVEILLANCE WAS IN PROGRESS ON THAT LOGIC CIRCUIT AT THE TIME THE SIGNAL | | WAS RECEIVED." | | | | AT LASALLE, A CONTAINMENT GROUP 2 ISOLATION CAUSES DRYWELL HUMIDITY | | MONITORS AND RECIRCULATION SYSTEM FLOW CONTROL VALVE HYDRAULIC LINES TO | | ISOLATE, AND THE DRYWELL POST-ACCIDENT MONITORS TO ACTIVATE. A GROUP 4 | | ISOLATION CAUSES THE REACTOR BUILDING VENTILATION SYSTEM TO ISOLATE AND THE | | STANDBY GAS TREATMENT SYSTEMS FOR BOTH UNITS TO START. | | | | THE RI HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27858 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 10/04/94 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 07:52 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 10/04/94 | +------------------------------------------------+EVENT TIME: 04:55[CDT]| |NRC NOTIFIED BY: POLSON |LAST UPDATE DATE: 10/04/94 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WRIGHT RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNEXPECTED CLOSURE OF ONE MSIV WHEN PILOT SOLENOID FUSE REMOVED. | | | | WHILE PERFORMING COLD SHUTDOWN MSIV SURVEILLANCE TEST DOS-1618, THE 2D | | OUTBOARD MSIV CLOSED UNEXPECTEDLY WHEN THE FUSE FOR THE AC PILOT SOLENOID | | WAS PULLED. THE LICENSEE IS INVESTIGATING THE CAUSE, BUT SUSPECTS THAT THE | | REDUNDANT DC PILOT SOLENOID HAS FAILED. THE LICENSEE NOTIFIED THE RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27859 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 10/04/94 | |UNIT: [1] [2] [ ] STATE: CA |NOTIFICATION TIME: 11:59 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 10/04/94 | +------------------------------------------------+EVENT TIME: 08:30[PDT]| |NRC NOTIFIED BY: DAVID PATTY |LAST UPDATE DATE: 10/04/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |LINDA KASNER RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |DENNIG EO | | |SULLIVAN FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNUSUAL EVENT DECLARED BASED ON TSUNAMI WARNING | | | | THE LICENSEE DECLARED AN UNUSUAL EVENT BASED ON A TSUNAMI WARNING. THE | | TSUNAMI IS EXPECTED TO REACH THE PACIFIC COAST AT APPROXIMATELY 1600 PDT | | TODAY. THE EARTHQUAKE THAT CAUSED THIS TSUNAMI HAD AN EPICENTER LOCATED ON | | THE EAST COAST OF JAPAN. THE STRENGTH OF THE EARTHQUAKE WAS 8.2 ON THE | | RICHTER SCALE. | | | | THE DIABLO CANYON PLANTS ARE LOCATED ON A BLUFF 85 FEET ABOVE SEA LEVEL. | | THE PRIMARY CONCERN IS THAT THEIR AUXILIARY SALT WATER SYSTEM WILL LOSE | | SUCTION DURING THE DRAW DOWN. A SECONDARY CONCERN IS POTENTIAL DAMAGE TO | | THE INTAKE STRUCTURE. | | | | THE LICENSEE NOTIFIED THE CALIFORNIA STATE DEPARTMENT OF OPERATIONS OF | | EMERGENCY SERVICES AND LOCAL COUNTY OFFICIALS. THE LICENSEE WILL INFORM | | THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1825 BY PATTY TAKEN BY WEAVER * * * | | | | THE UNUSUAL EVENT WAS TERMINATED AT 1508 PDT WHEN THE TSUNAMI WARNING WAS | | CANCELED. THE HOO NOTIFIED THE RDO (KASNER), EO (LAINAS), FEMA (HERSCH). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 27860 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: CAMMENGA ASSOCIATES |NOTIFICATION DATE: 10/04/94 | | CITY: HOLLAND REGION: 3 |NOTIFICATION TIME: 11:58 [ET]| | COUNTY: ALLEGAN STATE: MI |EVENT DATE: 10/04/94 | |LICENSE#: 21-26460-01 AGREEMENT: N |EVENT TIME: 11:45[EDT]| | DOCKET: |LAST UPDATE DATE: 10/04/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |BRUCE BURGES RDO | | |BILL BRACH (NMSS) EO | +------------------------------------------------+JOHN DAVIDSON (IAT) NMSS | |NRC NOTIFIED BY: JOHN STUEDEMANN | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB1 20.2201(a)(1)(i) LOST/STOLEN LNM>1000X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DURING MONTHLY INVENTORY OF SOURCES LICENSEE DISCOVERED THAT AT LEAST 950 | | VIALS (.375" LONG BY .25" WIDE) EACH CONTAINING 50 MILLICURIES (50mCi) MAY | | HAVE BEEN STOLEN BY A FORMER EMPLOYEE OF CAMMENGA ASSOCIATES LOCATED IN | | HOLLAND, MI. | | | | RADIATION SAFETY OFFICER (RSO) SAID THAT DURING THEIR MONTHLY INVENTORY OF | | SOURCES (REQUIRED PER THEIR LICENSE) THEY DETERMINED THAT 950 TRITIUM | | SOURCES EACH CONTAINING 50mCi ARE MISSING AND THEY BELIEVE THAT THEY MAY | | HAVE BEEN STOLEN BY A FORMER EMPLOYEE. RADIATION SAFETY OFFICER SAID THAT | | AFTER QUESTIONING PLANT EMPLOYEES THEY BELIEVE THAT A FORMER EMPLOYEE MAY | | HAVE STOLEN THE TRITIUM SOURCES AND HE MAY BE PASSING THEM OUT TO OTHER | | PEOPLE. THESE TRITIUM SOURCES ARE USED AS LIGHT SOURCES IN UNITED STATES | | ARMY COMPASSES. AS LONG AS THE TRITIUM REMAINS IN THE VIALS IT POSES NO | | RADIATION HAZARD TO INDIVIDUALS (TRITIUM IS A WEAK BETA EMITTER). TRITIUM | | IS AN INTERNAL HAZARD ONLY. LAST INVENTORY WAS PERFORMED AT THE END OF | | AUGUST AND NO RADIOACTIVE MATERIAL WAS MISSING. RSO DID NOT BELIEVE THAT | | LICENSEE HAD NOTIFIED LAW OFFICIALS OF THE MISSING TRITIUM SOURCES. | | | | ***UPDATE 10/04/94 1230ET BY JOHN STUEDEMANN TAKEN BY DOUG WEAVER*** | | | | RSO SAID THAT 943 VIALS (50mCi), 59 VIALS (25mCi), & 97 VIALS (5mCi) OF | | TRITIUM WERE MISSING AND SOME OF THE MISSING TRITIUM MAY ALREADY BE IN | | COMPASSES. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27861 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DUANE ARNOLD REGION: 3 |NOTIFICATION DATE: 10/04/94 | |UNIT: [1] [ ] [ ] STATE: IA |NOTIFICATION TIME: 18:02 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 10/04/94 | +------------------------------------------------+EVENT TIME: 16:25[CDT]| |NRC NOTIFIED BY: DAVID MANKIN |LAST UPDATE DATE: 10/04/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRUCE BURGESS RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FIVE OF EIGHT UNDERVOLTAGE RELAYS ON A 4KV SAFETY BUS FOUND OUT OF | | SPECIFICATION DURING A SURVEILLANCE. | | | | FIVE OF EIGHT RELAYS WERE FOUND OUT OF SPEC HIGH DURING A ROUTINE | | SURVEILLANCE PROCEDURE. THE SPECIFICATION FOR THE UNDER VOLTAGE RELAYS IS | | 108 TO 111 VOLTS. THE AS FOUND CONDITION SETPOINT WAS APPROXIMATELY 112 | | VOLTS. THE VOLTAGE IS MEASURED AT THE RELAY AND IS REDUCED VIA A | | TRANSFORMER FROM THE 4KV BUS. IN ADDITION, ONE TIMER WAS FOUND TO BE HIGH | | OUT OF SPEC. | | | | THIS SURVEILLANCE WAS LAST PERFORMED ON 1/7/94. THE LICENSEE PREVIOUSLY | | NOTED A PROBLEM WITH THESE RELAYS AND INSTITUTED A QUARTERLY SURVEILLANCE | | REQUIREMENT. THIS SURVEILLANCE HAS PREVIOUSLY BEEN PERFORMED ON AN ANNUAL | | BASIS. HOWEVER, THE TEST TODAY WAS THE FIRST TIME THE TEST HAD BEEN | | PERFORMED SINCE 1/7/94. | | | | THE LICENSEE HAS TERMED THE RELAYS INOPERABLE IN THE AS FOUND CONDITION. | | EACH RELAY WHICH WAS FOUND OUT OF SPEC WAS RECALIBRATED DURING THE | | SURVEILLANCE PROCEDURE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 27862 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: AMERSHAM CORP |NOTIFICATION DATE: 10/04/94 | | CITY: NEW YORK REGION: 1 |NOTIFICATION TIME: 20:36 [ET]| | COUNTY: STATE: NY |EVENT DATE: 10/04/94 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 12:00[EDT]| | DOCKET: |LAST UPDATE DATE: 10/04/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JAMES JOYNER RDO | | |JOHN GREEVES EO | +------------------------------------------------+BRUCE BURGESS RDO | |NRC NOTIFIED BY: BORRI (NYC OFFICIAL) |DICK BANGART SP | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | 62.5 mCi OF I-125 DISCOVERED MISSING AT A FEDEX FACILITY IN MANHATTAN | | | | THE OPERATIONS CENTER RECEIVED REPORTS FROM A NEW YORK CITY POISON | | DEPARTMENT OFFICIAL AS WELL AS THE NATIONAL RESPONSE CENTER. THE FEDEX | | FACILITY IS LOCATED AT 534 W. 34TH ST. IN MANHATTAN. FEDERAL EXPRESS | | DISCOVERED A DAMAGED PACKAGE, WHICH WHEN INVENTORIED, WAS NOTED TO BE | | MISSING 85 CAPSULES OF I-125 WITH A TOTAL CURIE CONTENT OF 62.5mCi. | | | | THE NYC OFFICIAL STARTED A SURVEY FROM THE INTENDED DELIVERY LOCATION (NYU | | MEDICAL CENTER ON 1ST AVE.) BACK TO THE FEDEX WAREHOUSE. THE TWO REPORTS | | CONFLICTED ON THE PATH THE MATERIAL TOOK TO REACH NYC, BUT BOTH AGREED THE | | MATERIAL ORIGINATED IN CHICAGO AND THAT AMERSHAM WAS THE SHIPPER. | | | | CONTACT NUMBERS FOR BOTH THE NYC OFFICIAL AND THE FEDEX REPRESENTATIVE CAN | | BE OBTAINED BY CONTACTING THE OPERATIONS CENTER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27863 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ARKANSAS NUCLEAR REGION: 4 |NOTIFICATION DATE: 10/05/94 | |UNIT: [1] [ ] [ ] STATE: AR |NOTIFICATION TIME: 00:06 [ET]| |RX TYPE: [1] B&W-L-LP,[2] CE |EVENT DATE: 10/04/94 | +------------------------------------------------+EVENT TIME: 22:05[CDT]| |NRC NOTIFIED BY: GRAY |LAST UPDATE DATE: 10/05/94 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LINDA KASNER RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SECURITY GUARD WEAPON LOST INSIDE THE PLANT FOR 3 MINUTES. COMPENSATORY | | MEASURES IMMEDIATELY TAKEN UPON DISCOVERY. SEE HOO LOG FOR DETAILS. | | LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+