U.S. Nuclear Regulatory Commission Operations Center Event Reports For 02/25/98 - 02/26/98 ** EVENT NUMBERS ** 33781 33783 33784 33785 33786 33787 33788 33789 33790 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33781 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 02/24/98 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 18:16 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/24/98 | +------------------------------------------------+EVENT TIME: 14:15[CST]| |NRC NOTIFIED BY: DAN KLOPSTEIN |LAST UPDATE DATE: 02/25/98 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GEOFFREY WRIGHT RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SECURITY REPORT. | | | | ATTEMPTED INTRODUCTION OF FIREARM INTO THE PROTECTED AREA BY OFF-DUTY | | SECURITY OFFICER. IMMEDIATE COMPENSATORY MEASURES TAKEN UPON DISCOVERY. | | SEE HOO LOG FOR ADDITIONAL DETAILS. | | | | * * * 1842EST 2/25/98 FROM STEVEN WILLIAMS TO S.SANDIN * * * | | | | THE LICENSEE IS RETRACTING THIS REPORT AFTER COMPLETING THEIR INVESTIGATION | | WHICH CONCLUDED THERE WAS NO MALEVOLENT INTENT INVOLVED. THE LICENSEE | | DISCUSSED THIS REPORT WITH THE REGIONAL SAFEGUARDS INSPECTOR. THE LICENSEE | | WILL INFORM THE NRC RESIDENT INSPECTOR. NOTIFIED R3DO(WRIGHT). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 33783 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: UNITED STATES AIRFORCE |NOTIFICATION DATE: 02/25/98 | | CITY: LACKLAND AFB REGION: 4 |NOTIFICATION TIME: 09:34 [ET]| | COUNTY: STATE: TX |EVENT DATE: 02/02/98 | |LICENSE#: TX-02682-01/1 AGREEMENT: Y |EVENT TIME: 00:00[CST]| | DOCKET: |LAST UPDATE DATE: 02/25/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |CHARLES CAIN RDO | | |DON COOL EO | +------------------------------------------------+RICHARD BARRETT IRD | |NRC NOTIFIED BY: SWENSON | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | RADIOACTIVE WASTE WAS LOST AT LACKLAND AFB BUT LATER FOUND. | | | | THE LICENSED MATERIAL INVOLVED WAS THE ACCUMULATION OF LABORATORY WASTE IN | | THE RADIO IMMUNO ASSAY(RIA) LABORATORY. TWO WASTE STREAMS, ONE CONTAINING | | JUST I-125(96æCi) AND THE OTHER A MIX OF I-125 AND Co-57(22.5æCi TOTAL) ARE | | [IN] SMALL PLASTIC VIALS BEING COLLECTED IN BIOHAZARD BAGS. THE BIOHAZARD | | BAGS WERE LINERS FOR BARRELS LABELED AS RADIOACTIVE MATERIAL. | | | | THE MATERIAL WAS DISCOVERED MISSING ON 2/2/98. AS IN THE PREVIOUS INCIDENT | | (EVENT #33685), THE LOCATION OF THE MATERIAL IN THE BIOHAZARD WASTE SYSTEM | | WAS DETERMINED. A TEAM CONSISTING OF THE 59MDW RADIATION SAFETY OFFICER, A | | BIOENVIRONMENTAL ENGINEERING TECHNICIAN, AND TWO EQUIPMENT OPERATORS FROM | | THE ARMSTRONG LABORATORY'S CONSULTANTS DIVISION WERE DEPLOYED TO THE | | AMERICAN 3CI TRANS-SHIPMENT POINT IN FRESNO, TX. THE EQUIPMENT WAS A | | FIDLER FROM THE CONSULTANT'S DIVISION EQUIPMENT INVENTORY. THE MATERIAL WAS | | LOCATED ON THE TRUCK, RECOVERED, AND TURNED BACK TO 59MDW FACILITIES AND | | SEGREGATED FOR DECAY-IN-STORAGE AS IT ORIGINALLY SHOULD HAVE BEEN. | | | | EXTERNAL EXPOSURES TO THE INDIVIDUALS INVOLVED WERE WELL BELOW THEIR | | ABILITY TO MEASURE AND SHOULD BE NEGLIGIBLE. AS THE MATERIAL NEVER LEFT | | THE BIOHAZARD MATERIAL BAG ORIGINALLY USED, THE INTERNAL EXPOSURE WAS NIL. | | | | AS THIS WAS THE SECOND INCIDENT OF THIS SORT IN A SHORT PERIOD OF TIME A | | MORE THOROUGH INVESTIGATION OF THE CIRCUMSTANCES WAS CONDUCTED. THE | | CONTRACT HOUSEKEEPING STAFF, AS BEFORE, REMOVED THE MATERIAL. UNLIKE THE | | PREVIOUS INCIDENT, IN WHICH THE MATERIAL SAT OUT FOR A SHORT TIME UNLABELED | | AND WAS INADVERTENTLY TAKEN, THIS MATERIAL WAS REMOVED FROM A LABELED | | BARREL. WE CONCLUDED THAT THE MOST EFFECTIVE WAY TO PREVENT ANOTHER | | INCIDENT WAS TO PUT THE MATERIAL UNDER LOCK AND KEY, INSURING THAT | | HOUSEKEEPING PERSONNEL HAVE NO ACCESS TO THIS MATERIAL. SINCE 2/5/98 THEY | | HAVE KEPT THE MATERIAL IN THE RIA LABORATORY IN A LABELED LOCKED CABINET. | | THEY HAVE ENACTED THIS POLICY THROUGH THE ENTIRE FACILITY. | | | | ALSO NOTIFIED BY FAX FEMA, DOE, USDA, HHS, EPA AND DOT(NRC) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33784 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 02/25/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 11:02 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 02/24/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 17:00[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 02/25/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |GEOFFREY WRIGHT RDO | | DOCKET: 0707002 |FRED COMBS EO | +------------------------------------------------+RICHARD BARRETT IRD | |NRC NOTIFIED BY: SISLER | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NCFR NON CFR REPORT REQMNT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NON-CFR REPORT. | | | | OPERATIONS PERSONNEL RECEIVED A STEAM SHUTDOWN ALARM ON AUTOCLAVE #2 IN | | "X-343" DURING CYLINDER HEATING CYCLE (MODE II). THE STEAM SHUTDOWN WAS | | CAUSED BY AN ACTUATION OF BOTH "A" & "B" PROBES IN THE HIGH CONDENSATE | | SHUTOFF SYSTEM (A "Q" SYSTEM). INVESTIGATION OF THE ALARM REVEALED THAT IT | | WAS CAUSED BY AN ACTUAL HIGH CONDENSATE LEVEL CONDITION. THIS CONDITION | | WAS CAUSED BY A MANUAL VALVE "V-256-2" IN THE CONDENSATE DRAIN LINE | | DOWNSTREAM OF THE CONTAINMENT ISOLATION VALVES BEING SHUT. THIS VALVE WAS | | DIRECTED TO BE OPEN AT 1745 HRS, BOTH PROBE ALARMS IN THE HIGH CONDENSATE | | SHUTOFF SYSTEM IMMEDIATELY CLEARED. SUBSEQUENT FLUSH SAMPLES TAKEN PER OFF | | NORMAL OPERATING PROCEDURES SHOWED NO DISCOLORATION IN THE CONDENSATE | | WATER. THE CYLINDER IN THIS AUTOCLAVE WAS DISCONNECTED AND THE AUTOCLAVE | | WAS DECLARED INOPERABLE FOR TESTING OF THE HIGH CONDENSATE SHUTOFF SYSTEM | | BY MAINTENANCE PERSONNEL. THEY ARE STILL INVESTIGATING THIS EVENT. | | | | THE RESIDENT INSPECTOR AND DOE SITE REPRESENTATIVE WERE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33785 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 02/25/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 12:01 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 02/24/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 14:10[CST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 02/25/98 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y |GEOFFREY WRIGHT RDO | | DOCKET: 0707001 |FRED COMBS EO | +------------------------------------------------+RICHARD BARRETT IRD | |NRC NOTIFIED BY: W.F. CAGE | | |HQ OPS OFFICER: STEVE SANDIN | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | 24-HOUR NRC 91-01 BULLETIN NOTIFICATION. | | | | "ON 2/24/98 AT 1410, A NUCLEAR CRITICALITY SAFETY (NCS) VIOLATION WAS | | DISCOVERED IN THE C-331 PROCESS BUILDING. THIS NCS VIOLATION WAS RELATED | | TO SAMPLE OPERATIONS INVOLVING THE C-331 SURGE DRUMS. THE NORMAL OPERATION | | OF OBTAINING NUCLEAR MATERIAL SAMPLES FROM THE C-331 SURGE DRUM REQUIRES | | THE USE OF A SAMPLE BUGGY IN ACCORDANCE WITH NUCLEAR CRITICALITY SAFETY | | APPROVAL (NCSA) GEN-06. THE C-331 SURGE DRUM SAMPLE MANIFOLD IS LOCATED | | WITHIN THE C-331 SURGE DRUM ROOM. NCSA 3971-02 PROVIDES OPERATION AND | | MAINTENANCE CONTROLS FOR THE CASCADE SURGE DRUMS. NCSA 3971-02 CONTROL #6 | | STATES "NO FISSILE/POTENTIALLY FISSILE MATERIAL SHALL BE STORED AND/OR | | ACCUMULATED IN THE SURGE DRUM ROOMS." LOCATING AND OPERATING THE SAMPLE | | BUGGY IN THE SURGE DRUM ROOM VIOLATES CONTROL #6 OF NCSA 3971-02. | | | | "THIS INCIDENT IS REPORTABLE AS A CRITICALITY CONTROL 24 HOUR (BL 91-01) | | REPORT." | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33786 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 02/25/98 | |UNIT: [ ] [3] [ ] STATE: NY |NOTIFICATION TIME: 17:41 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 02/25/98 | +------------------------------------------------+EVENT TIME: 17:15[EST]| |NRC NOTIFIED BY: STEPHEN DAVIS |LAST UPDATE DATE: 02/25/98 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CLIFFORD ANDERSON RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE IDENTIFIED THAT A FAILURE IN A FIRE PROTECTION SYSTEM COULD RESULT | | IN A LOSS OF VENTILATION PLACING THE PLANT OUTSIDE ITS DESIGN BASIS. | | | | "ON FEBRUARY 25, 1998, AT APPROXIMATELY 1715 HOURS, IT WAS IDENTIFIED THAT | | A FAILURE IN THE FIRE PROTECTION SYSTEM COULD CAUSE A LOSS OF VENTILATION | | IN THE CABLE SPREADING ROOM (CSR) WHICH COULD POTENTIALLY PLACE THE PLANT | | OUTSIDE ITS DESIGN BASIS. THE FIRE DOOR SEPARATING THE CSR FROM THE | | ELECTRICAL TUNNEL (ET) COULD BE CLOSED AND, THE CSR SMOKE DAMPERS COULD BE | | SHUT, BY A FAILURE IN THE CSR HEAT DETECTION OR C02 FIRE SUPPRESSION | | SYSTEM. THE FIRE DOOR COULD ALSO BE CLOSED BY A FAILURE IN THE ET SMOKE | | DETECTION SYSTEM. ALTHOUGH THERE IS A TEMPERATURE SENSOR IN THE CSR, | | ENGINEERING JUDGMENT CONCLUDED THE TIME FOR OPERATOR RESPONSE MAY NOT BE | | SUFFICIENT. | | | | "IMMEDIATE CORRECTIVE [ACTION] WAS TAKEN BY POSTING A FIRE WATCH, | | RESTRAINING THE FIRE DOOR FROM AUTOMATICALLY SHUTTING, AND DE-ENERGIZING | | THE CONTROL CIRCUITRY FOR THE FIRE DAMPERS BY TRIPPING CIRCUIT BREAKER 7 ON | | LIGHTING PANEL 1F-1." | | | | THE LICENSEE IDENTIFIED THE ABOVE CONDITION DURING AN EXTENT OF CONDITION | | REVIEW FROM A 1997 LER. LONG-TERM CORRECTIVE ACTION INCLUDES DEVELOPMENT | | OF A PLANT MODIFICATION. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33787 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 02/25/98 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 18:25 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/25/98 | +------------------------------------------------+EVENT TIME: 17:30[EST]| |NRC NOTIFIED BY: MARK KELLY |LAST UPDATE DATE: 02/25/98 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GEOFFREY WRIGHT RDO | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE IDENTIFIED A CONDITION WHERE SURVEILLANCE TESTING OF ICE CONDENSER | | ICE BASKETS MAY NOT BE SUPPORTED BY ANALYSES. | | | | "THE ICE CONDENSER CONSISTS OF 24 BAYS CONTAINING 81 BASKETS EACH, ARRANGED | | IN A 300 DEGREE ARC ON THE OUTSIDE WALL OF CONTAINMENT. THE BASKETS ARE | | REQUIRED TO CONTAIN A MINIMUM WEIGHT OF BORATED ICE, AND A SURVEILLANCE IS | | PERIODICALLY PERFORMED TO WEIGH A REPRESENTATIVE SAMPLE OF THE BASKETS TO | | ASSURE THAT THE MINIMUM WEIGHT REQUIREMENT IS MET. TO PERFORM THIS | | SURVEILLANCE THE BASKETS ARE PHYSICALLY LIFTED AND WEIGHED. | | | | "THE ICE BASKETS ARE HELD DOWN BY A U-BOLT ARRANGEMENT WHICH IS PINNED TO | | THE LOWER SUPPORT BEAM, WITH TWO U-BOLTS HOLDING DOWN EACH BASKET. THE | | U-BOLT ARRANGEMENT IS NECESSARY TO PREVENT MOVEMENT OF THE BASKET DURING | | LOCA AND SEISMIC EVENTS. | | | | "IT HAS BEEN DETERMINED THAT A PLANT PROCEDURE ALLOWS UP TO 60 ICE BASKETS | | TO BE UNPINNED DURING MODES 3 AND 4 FOR BASKET WEIGHING. NO ANALYSIS COULD | | BE LOCATED WHICH SUPPORTS THE UNPINNING OF THE BASKETS. | | | | "ICE BASKETS ARE NO LONGER UNPINNED DURING MODES 3 AND 4, AND RECOLLECTION | | OF COGNIZANT PERSONNEL IS THAT THIS OPTION IN THE PROCEDURE HAS NOT BEEN | | USED IN MORE THAN TEN YEARS. THIS DATE HAS NOT YET BEEN VERIFIED. | | | | "BECAUSE ONLINE BASKET UNPINNING IS NO LONGER NECESSARY FOR THE PERFORMANCE | | OF BASKET WEIGHING, THE PROCEDURE WILL BE REVISED TO ELIMINATE THIS OPTION. | | WE WILL CONTINUE OUR EFFORT TO LOCATE THE MISSING ANALYSIS." | | | | THIS ISSUE WAS RAISED BY ONSITE NRC INSPECTORS. THE LICENSEE INFORMED THE | | NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 33788 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: STATE OF NEBRASKA |NOTIFICATION DATE: 02/25/98 | | CITY: NORFOLK REGION: 4 |NOTIFICATION TIME: 18:50 [ET]| | COUNTY: STATE: NE |EVENT DATE: 10/01/97 | |LICENSE#: GL0487 AGREEMENT: Y |EVENT TIME: 08:00[CST]| | DOCKET: |LAST UPDATE DATE: 02/25/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |CHARLES CAIN RDO | | |JOE HOLONICH EO | +------------------------------------------------+RICHARD BARRETT IRD | |NRC NOTIFIED BY: BRIAN P. HEARTY (FAX) |FEMA, DOE, DOA, HHS FAX | |HQ OPS OFFICER: STEVE SANDIN |EPA, DOT (NRC) FAX | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NAGR AGREEMENT STATE | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FOUR LOST OR STOLEN EXIT SIGNS EACH CONTAINING 7.5 CURIES TRITIUM. | | | | THE FOLLOWING REPORT (NE-98-002) WAS RECEIVED VIA FAX FROM THE NEBRASKA | | DEPARTMENT OF HEALTH AND HUMAN SERVICES REGULATION AND LICENSURE, PUBLIC | | HEALTH ASSESSMENT DIVISION, RADIOACTIVE MATERIALS PROGRAM OFFICE: | | | | "ABSTRACT" | | | | "AN INDUSTRIAL FIRM HAS RECORDS INDICATING THAT IT RECEIVED A TOTAL OF 29 | | GENERALLY LICENSED EXIT SIGNS CONTAINING 7.5 CURIES OF TRITIUM EACH IN | | THREE SHIPMENTS ON FEBRUARY 26, APRIL 16, AND MAY 1, 1997. AFTER RECEIVING | | A NOTICE FROM THE AGREEMENT STATE PROGRAM OUTLINING THE REQUIREMENTS OF THE | | GENERAL LICENSE ON SEPTEMBER 10, 1997, THE LICENSEE DECIDED TO RETURN THE | | DEVICES TO THE SUPPLIER AND REPLACE WITH NON-RADIOACTIVE SIGNS. THE | | LICENSEE WAS ABLE TO LOCATE AND REMOVE ONLY 25 SIGNS AT THE FACILITY DURING | | A SEVERAL WEEK PERIOD IN OCTOBER-DECEMBER 1997. AFTER AN UNSUCCESSFUL | | INTERNAL SEARCH FOR THE OTHER FOUR IN JANUARY 1998, THE LICENSEE | | TRANSFERRED THE 25 SIGNS TO THE LOCAL ELECTRIC SUPPLY COMPANY THAT THEY HAD | | ORDERED FROM ON FEBRUARY 10, 1998. THE SIGNS ARE CURRENTLY IN SECURED | | STORAGE AT THE ELECTRIC SUPPLY COMPANY. SERIAL NUMBERS OF THE MISSING | | SIGNS ARE APPROXIMATE AT THIS TIME AS SEVERAL OF THE SERIAL NUMBERS WERE | | UNREADABLE AND FURTHER INVESTIGATION IS NEEDED. THE FOUR MISSING | | EMERGI-LITE SLX-60 SIGNS MAY HAVE SERIAL NUMBERS: 026852, 026864, 028962, | | 027730, 027732, 027736, OR 02762. THE LICENSEE STATED THAT THE INVENTORY | | CONTROL ON THE SIGNS FROM THE TIME OF RECEIPT TO REMOVAL AND TRANSFER WAS | | NOT MAINTAINED AT A HIGH LEVEL BECAUSE THE FACT THAT THE SIGNS CONTAINED | | LICENSABLE QUANTITIES OF RADIOACTIVE MATERIAL WAS NOT KNOWN PRIOR TO | | RECEIPT OF THE DEVICES." | | | | THE LOCATION OF THE SITE IS NUCOR STEEL, NE. THE DISCOVERY DATE AND TIME | | IS 2/1/98 AT 0800CST. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 33789 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VERMONT YANKEE REGION: 1 |NOTIFICATION DATE: 02/25/98 | |UNIT: [1] [ ] [ ] STATE: VT |NOTIFICATION TIME: 19:15 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 02/25/98 | +------------------------------------------------+EVENT TIME: 19:12[EST]| |NRC NOTIFIED BY: JIM BROOKS |LAST UPDATE DATE: 02/25/98 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CLIFFORD ANDERSON RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 91 POWER OPERATION | 91 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE COMPLETED AN ANALYSIS WHICH CONCLUDED THAT THE STANDBY GAS | | TREATMENT SYSTEM (SBGTS) COULD OVERPRESSURIZE DURING A DESIGN BASIS | | ACCIDENT (DBA) IF CONTAINMENT PURGING OR VENTING WAS IN PROGRESS. | | | | "LER 97-014 CORRECTIVE ACTION #2 COMMITTED TO PERFORMING AN ANALYSIS TO SEE | | IF THE SBGTS WOULD OVERPRESSURIZE IF A DBA LOCA OCCURRED WHILE PURGING AND | | VENTING THROUGH PCAC VALVES 'SB-16-19-7A, -7B, AND -6A. THE ANALYSIS | | (VYC-1742 REV 0) SHOWS THAT SBGTS WOULD OVERPRESSURIZE IF ANY OF THE THREE | | VALVES WERE OPEN AND ALIGNED TO SBGTS AT THE TIME OF A LOCA. | | | | "OPERATIONS SHOULD LIMIT OPENING OF [THE] '-6A' VALVE TO 45ø OPEN AND | | PROHIBIT OPENING OF '-7A' AND '-7B' DURING POWER OPERATION, OR CHANGES | | PROCEDURES TO PROHIBIT OPENING." | | | | CORRECTIVE ACTIONS PROHIBITING OPENING OF '-7A' AND '-7B' WAS ADDRESSED | | PREVIOUSLY. IN CONJUNCTION WITH THIS REPORT, VALVE '-6A' IS ALSO | | PROHIBITED FROM OPENING DURING POWER OPERATION. | | | | THE LICENSEE WILL INFORM THE STATE INSPECTOR AND HAS INFORMED THE NRC | | RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 33790 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 02/26/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 05:23 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 02/25/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 08:15[EST]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 02/26/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |GEOFFREY WRIGHT RDO | | DOCKET: 0707002 |JOE HOLONICH EO | +------------------------------------------------+RICHARD BARRETT IRD | |NRC NOTIFIED BY: WILLIAMSON | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | 24 HOUR BULLETIN RESPONSE | | | | IT WAS DISCOVERED THAT A NUCLEAR CRITICALITY SAFETY APPROVAL(NCSA) | | REQUIREMENT WAS NOT BEING MET IN A POLYBOTTLE STORAGE AREA WITHIN THE | | "X-333" PROCESS BUILDING. NCSA-PLANTO25, PART "B", REQUIREMENT #11 STATES; | | "A MINIMUM SPACING OF 23" CENTER TO CENTER SHALL BE MAINTAINED BETWEEN | | SMALL DIAMETER CONTAINERS WITHIN A STORAGE AREA". TWO POLYBOTTLES WERE | | LEANING TOWARDS EACH OTHER VIOLATING THE 23" CENTER TO CENTER SPACING | | REQUIREMENT. | | | | THE LOSS OF SPACING CONSTITUTES A LOSS OF ONE CONTROL(CONTROL "A") IN THE | | DOUBLE CONTINGENCY MATRIX FOR CONTINGENCY EVENT A/B.7.2. CONTROL "B" | | (GEOMETRY AND ENRICHMENT) WAS MAINTAINED THROUGHOUT THIS EVENT. THE | | DEFICIENCY(LOSS OF CONTROL "A") WAS IMMEDIATELY CORRECTED. THERE WAS NO | | LOSS OF HAZARDOUS/RADIOACTIVE MATERIAL OR RADIOACTIVE/RADIOLOGICAL | | CONTAMINATION EXPOSURE AS A RESULT OF THIS EVENT. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED. THE DOE SITE REPRESENTATIVE WILL | | BE NOTIFIED. | +------------------------------------------------------------------------------+