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Event Notification Report for March 27, 2000

                    U.S. Nuclear Regulatory Commission
                              Operations Center

                              Event Reports For
                           03/24/2000 - 03/27/2000

                              ** EVENT NUMBERS **

36511  36827  36829  36830  36831  36832  36833  36834  36835  

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|Other Nuclear Material                           |Event Number:   36511       |
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| REP ORG:  H. C. NUTTING CO.                    |NOTIFICATION DATE: 12/14/1999|
|LICENSEE:  H. C. NUTTING CO.                    |NOTIFICATION TIME: 13:08[EST]|
|    CITY:  CINCINATTI               REGION:  3  |EVENT DATE:        12/14/1999|
|  COUNTY:                            STATE:  OH |EVENT TIME:        09:50[EST]|
|LICENSE#:  34-18882-01           AGREEMENT:  Y  |LAST UPDATE DATE:  03/26/2000|
|  DOCKET:                                       |+----------------------------+
|                                                |PERSON          ORGANIZATION |
|                                                |GARY SHEAR           R3      |
|                                                |JOHN HICKEY          NMSS    |
+------------------------------------------------+                             |
| NRC NOTIFIED BY:  HAROLD WIDENER               |                             |
|  HQ OPS OFFICER:  FANGIE JONES                 |                             |
+------------------------------------------------+                             |
|EMERGENCY CLASS:          N/A                   |                             |
|10 CFR SECTION:                                 |                             |
|BAB1 20.2201(a)(1)(i)    LOST/STOLEN LNM>1000X  |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
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                                   EVENT TEXT                                   
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| STOLEN TROXLER MOISTURE DENSITY GAUGE                                        |
|                                                                              |
| The licensee reported a Troxler moisture density gauge (model 3430, serial   |
| number 28862) stolen some time last night after 2110 EST from the cargo area |
| of a locked Nissan Pathfinder.  The gauge was in a locked box in the vehicle |
| at the technician's home in Cincinnati.  The gauge sources contain 8 mCi of  |
| Cs-137 and 40 mCi of Am/Be-241.  The City of Cincinnati Police responded and |
| are investigating the theft (no report number at this time).  The licensee   |
| notified the Ohio Bureau of Radiation Safety, part of the Department of      |
| Health as part of their license requirement.                                 |
|                                                                              |
| (Call the NRC operations officer for a contact telephone number.)            |
|                                                                              |
|                                                                              |
| * * *  UPDATE ON 3/26/00 @ 1105 BY WIDENER TO GOULD * * *                    |
|                                                                              |
| A civilian notified the licensee, on 3/25/00 @ 2130 EST, that they had       |
| discovered the above Troxler gauge at Paddock Rd and I-75 in Cincinnati, OH. |
| The device was not damaged and there was no leakage detected by their survey |
| meter.  The licensee took possession of the device on 3/26/00 @ 0830 EST.    |
| The Ohio Bureau of Radiation Safety was notified and the Cincinnati Police   |
| Department will be notified.                                                 |
|                                                                              |
| The Reg 3 RDO(Wright) and the NMSS EO(Camper) were notified.                 |
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+------------------------------------------------------------------------------+
|General Information or Other                     |Event Number:   36827       |
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| REP ORG:  CALIFORNIA RADIATION CONTROL PRGM    |NOTIFICATION DATE: 03/23/2000|
|LICENSEE:  NDC                                  |NOTIFICATION TIME: 16:46[EST]|
|    CITY:  IRWINDALE                REGION:  4  |EVENT DATE:        03/21/2000|
|  COUNTY:                            STATE:  CA |EVENT TIME:        06:30[PST]|
|LICENSE#:  145-19                AGREEMENT:  Y  |LAST UPDATE DATE:  03/24/2000|
|  DOCKET:                                       |+----------------------------+
|                                                |PERSON          ORGANIZATION |
|                                                |LAWRENCE YANDELL     R4      |
|                                                |LARRY CAMPER         NMSS    |
+------------------------------------------------+FRANK CONGEL         IRO     |
| NRC NOTIFIED BY:  DONALD BUNN                  |MATT ROBERTS         DOT     |
|  HQ OPS OFFICER:  FANGIE JONES                 |JOHN WILLIAMS        DOE     |
+------------------------------------------------+                             |
|EMERGENCY CLASS:          N/A                   |                             |
|10 CFR SECTION:                                 |                             |
|NAGR                     AGREEMENT STATE        |                             |
|NTRA                     TRANSPORTATION EVENT   |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
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                                   EVENT TEXT                                   
+------------------------------------------------------------------------------+
| AGREEMENT STATE/TRANSPORTATION EVENT INVOLVING A BURNED FEDERAL EXPRESS      |
| TRUCK CARRYING A GAUGE WITH A SMALL SOURCE IN IT                             |
|                                                                              |
| On 3/21/00 at about 6:30 AM in Oxnard CA, a Federal Express truck burned due |
| to an unknown cause.  It was discovered today, 3/23/00, that a thickness     |
| gauge from NDC of Irwindale, CA was on the truck.  The gauge contains a      |
| special form source of Curium-244, 100 mCi.  The source is thought to be     |
| able to survive the fire and is being sought.  Dr. Roy Parker, the Federal   |
| Express Safety Officer, is on the scene and following up on the incident.    |
|                                                                              |
| The National Response Center report number is 523952.                        |
|                                                                              |
| (Call the HOO for contact numbers)                                           |
|                                                                              |
| * * * UPDATE AT 1715 EST ON 3/24/00 BY DONALD BUNN TO FANGIE JONES * * *     |
|                                                                              |
| The source has been recovered intact from the fire debris, there has been no |
| release.  Notified the NMSS EO (Larry Camper), R4DO (Lawrence Yandell), IRO  |
| (Frank Congel), DOT (Matt Robertson), and DOE (Mike Wyatt).                  |
+------------------------------------------------------------------------------+

+------------------------------------------------------------------------------+
|Power Reactor                                    |Event Number:   36829       |
+------------------------------------------------------------------------------+
+------------------------------------------------------------------------------+
| FACILITY: SUSQUEHANNA              REGION:  1  |NOTIFICATION DATE: 03/24/2000|
|    UNIT:  [1] [] []                 STATE:  PA |NOTIFICATION TIME: 05:56[EST]|
|   RXTYPE: [1] GE-4,[2] GE-4                    |EVENT DATE:        03/24/2000|
+------------------------------------------------+EVENT TIME:        04:45[EST]|
| NRC NOTIFIED BY:  DAVE WALSH                   |LAST UPDATE DATE:  03/24/2000|
|  HQ OPS OFFICER:  DICK JOLLIFFE                +-----------------------------+
+------------------------------------------------+PERSON          ORGANIZATION |
|EMERGENCY CLASS:          N/A                   |LOUIS MANNING        R1      |
|10 CFR SECTION:                                 |                             |
|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        Refueling        |0        Refueling        |
|                                                   |                          |
|                                                   |                          |
+------------------------------------------------------------------------------+
                                   EVENT TEXT                                   
+------------------------------------------------------------------------------+
| - 'C' INBOARD MAIN STEAM ISOLATION VALVE FAILED ITS LOCAL LEAK RATE TEST -   |
|                                                                              |
| During the performance of a local leak rate test of the 'C' main steam       |
| isolation valves (MSIVs) with Unit 1 in a refueling outage, the inboard MSIV |
| #HV141-F022C was unable to hold pressure.  This constitutes a failure of the |
| maximum path leak rate required by Tech Spec 3.6.1.3.                        |
|                                                                              |
| This condition constitutes a degraded condition of a principal safety        |
| barrier found while Unit 1 was shutdown.  No other adverse conditions were   |
| identified.                                                                  |
|                                                                              |
| Unit 1 remains safely shutdown and the licensee is conducting an             |
| investigation to determine the cause of the failure.                         |
|                                                                              |
| The licensee plans to notify the NRC Resident Inspector.                     |
+------------------------------------------------------------------------------+

+------------------------------------------------------------------------------+
|Power Reactor                                    |Event Number:   36830       |
+------------------------------------------------------------------------------+
+------------------------------------------------------------------------------+
| FACILITY: MILLSTONE                REGION:  1  |NOTIFICATION DATE: 03/24/2000|
|    UNIT:  [] [2] []                 STATE:  CT |NOTIFICATION TIME: 06:32[EST]|
|   RXTYPE: [1] GE-3,[2] CE,[3] W-4-LP           |EVENT DATE:        03/24/2000|
+------------------------------------------------+EVENT TIME:        05:37[EST]|
| NRC NOTIFIED BY:  STEVE MYERS                  |LAST UPDATE DATE:  03/24/2000|
|  HQ OPS OFFICER:  DICK JOLLIFFE                +-----------------------------+
+------------------------------------------------+PERSON          ORGANIZATION |
|EMERGENCY CLASS:          N/A                   |LOUIS MANNING        R1      |
|10 CFR SECTION:                                 |                             |
|APRE 50.72(b)(2)(vi)     OFFSITE NOTIFICATION   |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|UNIT |SCRAM CODE|RX CRIT|INIT PWR|   INIT RX MODE  |CURR PWR|  CURR RX MODE   |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|                                                   |                          |
|2     N          Y       100      Power Operation  |70       Power Operation  |
|                                                   |                          |
+------------------------------------------------------------------------------+
                                   EVENT TEXT                                   
+------------------------------------------------------------------------------+
| - CONTROL ROD DROPPED INTO THE CORE DURING CONTROL ROD MOTION TESTING -      |
|                                                                              |
| While performing control rod motion testing, plant technicians were checking |
| the control rod fuses and caused a fuse to blow which caused control rod #48 |
| to drop into the core.  Plant operators reduced power from 100% to 70% and   |
| are in the process of retrieving the dropped control rod and are             |
| investigating the cause of the blown fuse.                                   |
|                                                                              |
| The licensee notified state and local officials and the NRC Resident         |
| Inspector.                                                                   |
+------------------------------------------------------------------------------+

+------------------------------------------------------------------------------+
|Fuel Cycle Facility                              |Event Number:   36831       |
+------------------------------------------------------------------------------+
+------------------------------------------------------------------------------+
| FACILITY: PADUCAH GASEOUS DIFFUSION PLANT      |NOTIFICATION DATE: 03/24/2000|
|   RXTYPE: URANIUM ENRICHMENT FACILITY          |NOTIFICATION TIME: 09:42[EST]|
| COMMENTS: 2 DEMOCRACY CENTER                   |EVENT DATE:        03/23/2000|
|           6903 ROCKLEDGE DRIVE                 |EVENT TIME:        10:00[CST]|
|           BETHESDA, MD 20817    (301)564-3200  |LAST UPDATE DATE:  03/24/2000|
|    CITY:  PADUCAH                  REGION:  3  +-----------------------------+
|  COUNTY:  McCRACKEN                 STATE:  KY |PERSON          ORGANIZATION |
|LICENSE#:  GDP-1                 AGREEMENT:  Y  |GEOFFREY WRIGHT      R3      |
|  DOCKET:  0707001                              |FRITZ STURTZ         NMSS    |
+------------------------------------------------+                             |
| NRC NOTIFIED BY:  MIKE UNDERWOOD               |                             |
|  HQ OPS OFFICER:  DICK JOLLIFFE                |                             |
+------------------------------------------------+                             |
|EMERGENCY CLASS:          N/A                   |                             |
|10 CFR SECTION:                                 |                             |
|NBNL                     RESPONSE-BULLETIN      |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
+------------------------------------------------------------------------------+

                                   EVENT TEXT                                   
+------------------------------------------------------------------------------+
| - NRC BULLETIN 91-01, 24 HOUR REPORT -                                       |
|                                                                              |
| During chemical cleaning of motor brake pads in the C-400 alkali tank, it    |
| was discovered that the brake pads were placed in the alkali tank before     |
| being verified to meet unconditional release limits, in violation of NCSA    |
| 400.011.                                                                     |
|                                                                              |
| Compliance with unconditional release limits requires both a removable       |
| contamination smear and a fixed uranium contamination survey. The fixed      |
| contamination survey was omitted.  Compliance with unconditional release     |
| limits and a visual inspection for uranium contamination are used to ensure  |
| that unknown quantities of fissile material do not enter the alkali tank.    |
| The visible inspection required was properly performed.  A determination     |
| that assay was 5.5 wt% is also required and was performed and documented.    |
| However, the determination was documented on the C-400 Chemical Cleaning Log |
| sheet, instead of the form required by CP2-EG-NS1O33.                        |
|                                                                              |
|                                                                              |
| SAFETY SIGNIFICANCE OF EVENTS:                                               |
|                                                                              |
| The visual inspection of the brake pads showed no uranium contamination and  |
| this equipment is not directly in contact with process UF6.  The potential   |
| for introduction of U-235 into the alkali tank from the brake pads is        |
| extremely low, a control relied upon for criticality safety was violated.    |
|                                                                              |
| POTENTIAL CRITICALITY PATHWAYS INVOLVED [BRIEF SCEANARIO(S) OF HOW           |
| CRITICALITY COULD OCCUR]:                                                    |
|                                                                              |
| In order for a criticality to be possible, the accumulation of fissile       |
| material involving an unsafe mass and geometry would have to occur.          |
| However, since the visual inspection showed no contamination, an             |
| accumulation of U-235 above assumed limits did not occur. These limits are a |
| small fraction of the unsafe mass value,                                     |
|                                                                              |
| CONTROLLED PARAMETERS (MASS, MODERATION, GEOMETRY, CONCENTRATION, ETC.):     |
|                                                                              |
| Double contingency for this scenario is established by implementing two      |
| independent controls on mass.                                                |
|                                                                              |
| ESTIMATED AMOUNT,  ENRICHMENT, FORM OF LICENSED MATERIAL (INCLUDE PROCESS    |
| LIMIT AND % WORST CASE CRITCAL MASS):                                        |
|                                                                              |
| No visible contamination. Therefore, the mass is zero grams.                 |
|                                                                              |
| NUCLEAR CRITICALITY SAFETY CONTROL(S) OR CONTROL SYSTEM(S) AND DESCRIPTION   |
| OF THE FAILURES OR DEFICIENCIES:                                             |
|                                                                              |
| The first leg of double contingency relies on a visual inspection of all     |
| internal and external surfaces for uranium contamination to verify no visual |
| contamination.  Verification of no visual contamination ensures the mass     |
| limit is maintained for assays 1000X  |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
+------------------------------------------------------------------------------+

                                   EVENT TEXT                                   
+------------------------------------------------------------------------------+
| AGREEMENT STATE REPORT - STOLEN GAUGE                                        |
|                                                                              |
| The following text is from the facsimile received from the Texas Department  |
| of Health:                                                                   |
|                                                                              |
| "Theft/Recovery of a nuclear gauge - licensee notified the agency [Texas     |
| Department of Health] Feb 8, 2000.  Reports lost in mail.  Faxed information |
| today at request of Incident Investigation.  Gauge recovered intact Feb 14,  |
| 2000.  Leak tested Feb 15, 2000 was fully satisfactory."                     |
+------------------------------------------------------------------------------+

+------------------------------------------------------------------------------+
|Power Reactor                                    |Event Number:   36835       |
+------------------------------------------------------------------------------+
+------------------------------------------------------------------------------+
| FACILITY: CRYSTAL RIVER            REGION:  2  |NOTIFICATION DATE: 03/26/2000|
|    UNIT:  [3] [] []                 STATE:  FL |NOTIFICATION TIME: 21:06[EST]|
|   RXTYPE: [3] B&W-L-LP                         |EVENT DATE:        03/26/2000|
+------------------------------------------------+EVENT TIME:        17:34[EST]|
| NRC NOTIFIED BY:  W. BANDHAUER                 |LAST UPDATE DATE:  03/26/2000|
|  HQ OPS OFFICER:  FANGIE JONES                 +-----------------------------+
+------------------------------------------------+PERSON          ORGANIZATION |
|EMERGENCY CLASS:          N/A                   |THOMAS DECKER        R2      |
|10 CFR SECTION:                                 |                             |
|APRE 50.72(b)(2)(vi)     OFFSITE NOTIFICATION   |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|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                                   
+------------------------------------------------------------------------------+
| STATE OF FLORIDA NOTIFICATION INVOLVING LOGGER HEAD SEA TURTLE               |
|                                                                              |
| An endangered Logger Head Sea Turtle was discovered at the Crystal River     |
| (CR-3) intake area.  The turtle which appeared to have been struck by a boat |
| propeller died from injuries .  The Florida Department of Environmental      |
| Protection will be notified on Monday, 3/27/2000.                            |
|                                                                              |
| The licensee informed the NRC Resident Inspector.                            |
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