U.S. Nuclear Regulatory Commission Operations Center Event Reports For 04/10/95 - 04/11/95 ** EVENT NUMBERS ** 28656 28657 28658 28659 28660 28661 28662 +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 28656 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: SYNCOR INTERNATIONAL |NOTIFICATION DATE: 04/10/95 | | CITY: STAMFORD REGION: 1 |NOTIFICATION TIME: 12:47 [ET]| | COUNTY: FAIRFIELD STATE: CT |EVENT DATE: 04/10/95 | |LICENSE#: AGREEMENT: N |EVENT TIME: 03:30[EDT]| | DOCKET: |LAST UPDATE DATE: 04/10/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JOHN WHITE RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: DOMITER | | |HQ OPS OFFICER: TIM McGINTY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |IBBF 30.50(b)(2)(ii) EQUIP DISABLED/FAILS | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A SYNCOR INTERNATIONAL CORP. RADIOPHARMACY, LOCATED IN STAMFORD, CT, | | REPORTED AN INOPERABLE FUME HOOD. | | | | ON APRIL 10th, AT 0330 EST, THE FUME HOOD AT THE STAMFORD, CT, | | RADIOPHARMACY WAS SECURED DUE TO OPERATIONAL PROBLEMS. TECHNICIANS WILL BE | | INVESTIGATING THE PROBLEM TODAY. THE PROBLEM MAY BE RELATED TO REPAIRS | | PERFORMED IN FEBRUARY, 1995, TO THE SAME FUME HOOD (SEE RELATED EVENT | | #28455). THE TWO ISOTOPES STORED UNDER THE FUME HOOD ARE I-131 (195.5 mCi) | | AND Xe-133 (45 mCi). AIR SAMPLING INDICATES THAT NO CONCENTRATIONS ABOVE | | REGULATORY LIMITS EXIST. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28657 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 04/10/95 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 16:07 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 04/10/95 | +------------------------------------------------+EVENT TIME: 11:16[EDT]| |NRC NOTIFIED BY: ROGERS |LAST UPDATE DATE: 04/10/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN WHITE RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | THE LICENSEE TESTED A LOW-LEVEL SUPERVISORY EMPLOYEE (NON-LICENSED) FOR | | ALCOHOL, AND THE BREATHALYZER TESTED POSITIVE. THE EMPLOYEE WAS ALREADY IN | | THE EMPLOYEE ASSISTANCE PROGRAM, AND THIS WAS A SECOND POSITIVE TEST. THE | | EMPLOYEES ACCESS HAS BEEN REMOVED, AND HE HAS BEEN SUSPENDED PENDING | | FURTHER ACTION. | | | | THE LICENSEE INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28658 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FT SAINT VRAIN REGION: 4 |NOTIFICATION DATE: 04/10/95 | |UNIT: [1] [ ] [ ] STATE: CO |NOTIFICATION TIME: 17:03 [ET]| |RX TYPE: [1] GA (GENERAL ATOMIC) |EVENT DATE: 04/10/95 | +------------------------------------------------+EVENT TIME: 14:20[MDT]| |NRC NOTIFIED BY: SHAFER |LAST UPDATE DATE: 04/10/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WILLIAM JOHNSON RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 DECOMMISSIONED | 0 DECOMMISSIONED | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FORT SAINT VRAIN NOTIFIED THE COLORADO DEPARTMENT OF HEALTH OF A pH | | VIOLATION IN THE PLANT LIQUID EFFLUENT DISCHARGE PATH. | | | | THE COLORADO DEPARTMENT OF HEALTH WAS NOTIFIED DUE TO THE VIOLATION OF THE | | STATE WASTE WATER PERMIT. THE ph IN THE "GOOSEQUILL" DITCH WAS MEASURED AT | | 9.1, WHICH IS ABOVE THE 9.0 LIMIT. THE pH PROBLEM IS ATTRIBUTED TO | | BIOLOGICAL ACTIVITY IN THE STORAGE POND, AND THE LICENSEE IS TAKING ACTION | | TO REDUCE THE pH. | | | | THE LICENSEE NOTIFIED MR. EVANS OF REGION 4. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28659 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRUNSWICK REGION: 2 |NOTIFICATION DATE: 04/10/95 | |UNIT: [1] [ ] [ ] STATE: NC |NOTIFICATION TIME: 17:40 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 04/10/95 | +------------------------------------------------+EVENT TIME: 13:58[EDT]| |NRC NOTIFIED BY: JENKINS |LAST UPDATE DATE: 04/10/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHARLES HOSEY 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 N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOSS OF SHUTDOWN COOLING FOR ABOUT 1 HOUR (MOST FUEL OFF-LOADED) DUE TO | | ISOLATIONS WHICH OCCURRED DURING THE PERFORMANCE OF A PLANT MODIFICATION. | | | | THE LICENSEE PROVIDED THE FOLLOWING REPORT VIA FACSIMILE: | | "AT 1358 IN APRIL 10, 1995, WITH UNIT 1 IN A REFUELING OUTAGE, AN OUTBOARD | | SHUTDOWN COOLING ISOLATION (GROUP 8), AN OUTBOARD DRYWELL FLOOR DRAIN AND | | EQUIPMENT DRAIN ISOLATION (GROUP 2), AND A PARTIAL CONTAINMENT ATMOSPHERE | | CONTROL ISOLATION (GROUP 6) WAS RECEIVED. CORE OFF-LOAD WAS IN PROGRESS AT | | THIS TIME, WITH MOST OF THE FUEL HAVING BEEN OFF-LOADED INTO THE FUEL POOL. | | ABNORMAL OPERATING PROCEDURE, AOP-15.0 (LOSS OF SHUTDOWN COOLING) WAS | | ENTERED AT THIS TIME. | | | | THE FOLLOWING VALVES CLOSED DURING THIS EVENT: OUTBOARD RHR SHUTDOWN | | COOLING ISOLATION (1-E11-FOO8); INBOARD LPCI INJECTION ISOLATION | | (1-E11-F0158); OUTBOARD DRYWELL FLOOR DRAIN ISOLATION (1-G16-F004); | | OUTBOARD DRYWELL EQUIPMENT DRAIN ISOLATION (1-G16-F020); OUTBOARD DRYWELL | | PURGE EXHAUST ISOLATION (1-CAC-V10); AND DRYWELL PURGE AIR INLET | | (1-CAC-V15). | | | | IN ADDITION TO THE ABOVE VALVES CLOSING, THE RUNNING RESIDUAL HEAT REMOVAL | | PUMP, 1-E11-C0028, TRIPPED AS EXPECTED. INDICATION WAS ALSO LOST TO THE | | CONTAINMENT ATMOSPHERE MONITORING DIVISION 1 AND 2 ISOLATION OVERRIDE | | SWITCHES 1-CAC-CS-2986 AND 3452. | | | | AT THE TIME OF THE EVENT, WIRE LIFTS WERE IN PROGRESS FOR PLANT | | MODIFICATION 92-146. THIS MODIFICATION REMOVES THE MAIN STEAM LINE HIGH | | RADIATION INPUTS TO THE SCRAM AND THE GROUP 1 ISOLATION LOGIC. THIS WORK | | WAS IMMEDIATELY STOPPED. | | | | UPON THE LOSS OF SHUTDOWN COOLING, THE FLOW THROUGH THE SUPPLEMENTAL FUEL | | POOL COOLING SYSTEM WAS INCREASED, WITH A MAXIMUM FUEL POOL TEMPERATURE OF | | 97øF RECORDED. THIS WAS AN INCREASE OF 0.2øF. NO INCREASE WAS NOTED IN | | VESSEL BOTTOM HEAD TEMPERATURE. | | | | THE WIRES LIFTED BY PM 92-146 AT THE TIME OF THE EVENT WERE RE-TERMINATED, | | AND THE ISOLATION SIGNALS WERE RESET AT 1446 EDT. SHUTDOWN COOLING WAS | | RETURNED TO SERVICE, AND AOP-15.0 WAS EXITED AT 1448 EDT. SUPPLEMENTAL | | SPENT FUEL POOL COOLING SYSTEM FLOW WAS RETURNED TO NORMAL UPON THE RESTART | | OF SHUTDOWN COOLING. | | | | THE SAFETY SIGNIFICANCE OF THE EVENT WAS MINIMAL. THE UNIT WAS IN A | | REFUELING OUTAGE, AND THE HIGHEST TEMPERATURE RISE NOTED WAS 0.2øF, AND | | THIS WAS A SHORT TERM INCREASE THAT WAS TERMINATED WITH THE INCREASE IN | | SUPPLEMENTAL SPENT FUEL POOL COOLING SYSTEM FLOW. SECONDARY CONTAINMENT | | WAS IN EFFECT AND CORE SPRAY WAS AVAILABLE FOR INVENTORY MAKEUP IF | | REQUIRED. TIME TO BOILING IN THE FUEL POOL WAS APPROXIMATELY 28 HOURS | | (ASSUMES COMPLETE LOSS OF FLOW FOR ALL COOLING SYSTEMS)." | | END OF TEXT. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR. | | | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 28660 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: UMETCO MINERALS CORPORTATION |NOTIFICATION DATE: 04/10/95 | | CITY: GAS HILLS REGION: 4 |NOTIFICATION TIME: 17:49 [ET]| | COUNTY: STATE: WY |EVENT DATE: 04/09/95 | |LICENSE#: SUA-648 AGREEMENT: N |EVENT TIME: 10:00[MDT]| | DOCKET: |LAST UPDATE DATE: 04/10/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | |WILLIAM JOHNSON RDO | | |DONALD COOL EO | +------------------------------------------------+ | |NRC NOTIFIED BY: PAT LYONS | | |HQ OPS OFFICER: TIM McGINTY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MR. LYONS, THE OPERATIONS MANAGER OF THE UMETCO MINERALS CORPORATION | | REPORTED AN EVENT WHICH OCCURRED OVER THE WEEKEND AT THE GAS HILLS MINING | | AND MILL SITE IN CENTRAL WYOMING. | | | | THE MILL HAS BEEN DECOMMISSIONED AND THE TAILINGS HAVE BEEN COVERED. | | RECLAMATION IS EXPECTED TO BE COMPLETED IN ABOUT 2 YEARS. THERE WAS A | | BREAK-IN THROUGH THE FENCE TO THE NORTH OF THE SITE, CLOSE TO THE RECLAIMED | | ABOVE-GRADE TAILINGS KEPT THERE. THE WIRES OF THE FENCE WERE CUT, AND A | | VEHICLE WAS DRIVEN OVER THE TAILINGS COVER (10 FEET THICK, CLAY, POROUS | | SANDY MATERIAL, RANDOM FILL) AND SOME MATERIAL FROM NEAR A BUILDING WHICH | | STORE MISCELLANEOUS MATERIAL WAS STOLEN (SOME FENCE POSTS, WIRE AND A SMALL | | HOIST). THIS MORNING, TRACKS WERE DISCOVERED COMING THROUGH THE FENCE (THE | | FENCE HAD ACTUALLY BEEN REPAIRED BY THE INTRUDERS). THE LICENSEE REPORTED | | THE THEFT TO THE COUNTY SHERIFF. | | | | THE LICENSEE REPORTED A MINIMAL CHANCE OF CONTAMINATED MATERIALS HAVING | | BEEN REMOVED OR SPREAD. THERE IS NO PRODUCT (i.e. YELLOWCAKE) ON-SITE, AND | | EVERYTHING IS COVERED. THERE ARE THREE DISPOSAL SITES AT THE LOCATION: 1) | | THE ABOVE GRADE TAILINGS SITE THAT WAS DRIVEN OVER (150 ACRES, DOME SHAPED, | | NOT YET EROSION PROTECTED); 2) THE HEAP LEACH SITE TO THE SOUTH (COVERED | | AND WITH A RADON BARRIER); AND 3) A BELOW-GRADE TAILINGS SITE FURTHER TO | | THE SOUTH WITH AN INTERIM COVER ON. THE EVENT HAD NO EFFECT ON THE | | TAILINGS COVER. THERE IS NO INDICATION THAT THE INTRUDERS WENT TO THE | | OTHER TWO TAILINGS SITES. | | | | THE LICENSEE WANTED TO REPORT THIS AS A PRECAUTION, AND BECAUSE IT WAS TOO | | LATE TO REACH THE PROJECT MANAGER. A WRITTEN REPORT WILL BE DEVELOPED | | TONIGHT, AND THE PROJECT MANAGER WILL BE CONTACTED TOMORROW. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28661 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CALVERT CLIFFS REGION: 1 |NOTIFICATION DATE: 04/10/95 | |UNIT: [1] [2] [ ] STATE: MD |NOTIFICATION TIME: 20:05 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 04/10/95 | +------------------------------------------------+EVENT TIME: 16:30[EDT]| |NRC NOTIFIED BY: MILLS |LAST UPDATE DATE: 04/10/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN WHITE RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | THE LICENSEE MADE AN OFF-SITE NOTIFICATION TO THE MARYLAND DEPARTMENT OF | | THE ENVIRONMENT REGARDING A SPILL FROM A FUEL OIL TRUCK. | | | | THE TRUCK WAS PASSING OVER A TEMPORARY WOODEN RAMP WHEN A VALVE WAS | | CONTACTED AND STARTED LEAKING. THE LEAKING VALVE WAS DISCOVERED ABOUT A | | 1/4 MILE LATER AS THE TRUCK WAS STOPPED, PREPARING TO EXIT THE PROTECTED | | AREA. THE LICENSEE ESTIMATED THAT A TOTAL OF APPROXIMATELY 60 GALLONS OF | | FUEL OIL LEAKED FROM THE TRUCK. THE LEAK WAS STOPPED, AND THE OIL WAS | | CLEANED UP. IT APPEARS THAT NO OIL REACHED SOIL OR STORM DRAINS. | | | | THE LICENSEE INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28662 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DUANE ARNOLD REGION: 3 |NOTIFICATION DATE: 04/11/95 | |UNIT: [1] [ ] [ ] STATE: IA |NOTIFICATION TIME: 04:07 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 04/11/95 | +------------------------------------------------+EVENT TIME: 00:40[CDT]| |NRC NOTIFIED BY: DAVID SCHUSSLER |LAST UPDATE DATE: 04/11/95 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CLAYTON 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DURING LOSS OF OFFSITE POWER (LOOP)/LOSS OF COOLANT ACCIDENT (LOCA) TESTING | | THE 'A' EMERGENCY DIESEL GENERATOR (EDG) FAILED TO LOAD ONTO THE EMERGENCY | | BUS. | | | | THE EDG STARTED DURING THE TEST BUT DID NOT LOAD ONTO THE BUS. THE LICENSEE | | IS CONTINUING TO INVESTIGATE THE PROBLEM. AT THIS TIME THE CAUSE OF THE | | PROBLEM APPEARS TO BE BAD CONTACTS IN THE EDG UNDERVOLTAGE CIRCUIT THAT | | SENSES IF THE EMERGENCY BUS IS DEENERGIZED BEFORE IT ALLOWS THE EDG OUTPUT | | BREAKER TO CLOSE. THE TEST WAS LAST SUCCESSFULLY PERFORMED ON THE 'A' EDG | | DURING THE LAST REFUELING OUTAGE. THE 'B' EDG LOOP/LOCA TEST WAS | | SUCCESSFULLY COMPLETED YESTERDAY. THE LICENSEE IS NOT CURRENTLY IN ANY | | TECHNICAL SPECIFICATION ACTION STATEMENT DUE TO THIS PROBLEM. | | | | THE LICENSEE HAS INFORMED THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+