U.S. Nuclear Regulatory Commission
                             Operations Center
 
                             Event Reports For
                            05/27/98 - 05/28/98
 
                             ** EVENT NUMBERS **
 
34292  

+----------------------------------+              +-----------------------+     
|FUEL CYCLE FACILITY               |              |EVENT NUMBER:  34292   |     
+----------------------------------+              +-----------------------+     
+------------------------------------------------+-----------------------------+
|FACILITY: PADUCAH GASEOUS DIFFUSION PLANT       |NOTIFICATION DATE: 05/27/98  |
|  RXTYPE: URANIUM ENRICHMENT FACILITY           |NOTIFICATION TIME: 02:46 [ET]|
|COMMENTS: 2 DEMOCRACY CENTER                    |EVENT DATE:        05/26/98  |
|          6903 ROCKLEDGE DRIVE                  |EVENT TIME:        16:10[CDT]|
|          BETHESDA, MD 20817    (301)564-3200   |LAST UPDATE DATE:  05/27/98  |
|    CITY: PADUCAH                REGION: 3      +-----------------------------+
|  COUNTY: McCRACKEN               STATE: KY     |PERSON           ORGANIZATION|
|LICENSE#: GDP-1               AGREEMENT: Y      |JOHN MADERA          RDO     |
|  DOCKET: 0707001                               |DON COOL             EO      |
+------------------------------------------------+                             |
|NRC NOTIFIED BY: UNDERWOOD                      |                             |
|HQ OPS OFFICER:  BOB STRANSKY                   |                             |
+------------------------------------------------+                             |
|EMERGENCY CLASS: NOT APPLICABLE                 |                             |
|10 CFR SECTION:                                 |                             |
|NCFR                     NON CFR REPORT REQMNT  |                             |
|                                                |                             |
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+------------------------------------------------+-----------------------------+

                                   EVENT TEXT
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| 24-HOUR REPORT DUE TO ACTUATION OF UF6 DETECTOR HEAD                         |
|                                                                              |
| DURING VALVING EVOLUTIONS ASSOCIATED WITH PLACING THE WEST NORMETEX          |
| WITHDRAWAL PUMP ONLINE, A SMALL UF6 RELEASE OCCURRED NEAR VALVE EDX-1 IN     |
| THE C-310-A PRODUCT WITHDRAWAL BUILDING. THIS CAUSED UF6 DETECTION HEAD      |
| YE-48-8 TO ACTUATE. THIS EVENT WAS REPORTED IN ACCORDANCE WITH SAFETY        |
| ANALYSIS REPORT TABLE 6.9-1, CRITERION J.2, AS AN ACTUATION OF A "Q" SAFETY  |
| SYSTEM IN RESPONSE TO A VALID SIGNAL, WHICH REQUIRES A 24-HOUR NOTIFICATION  |
| TO THE NRC. THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE.    |
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