ML19326C987
| ML19326C987 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 01/02/1976 |
| From: | ARKANSAS POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML19326C985 | List: |
| References | |
| 95, NUDOCS 8004290622 | |
| Download: ML19326C987 (3) | |
Text
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1.
Non-Routine, Non-Itadiological Environmental Report No.
e 50-313/75-62 2.
Report Date:
~1/2/76 3.
Occurrence Date:
12/23/75 L i-
- 4. ' Facility:
Arkansas Nuclear One-Unit 1 Russellville, Arkansas 5.
Identification of Occurrence:
of Environmental Technical Specification limit. Chemical conce 6.
Conditions Prior to Occurrence:
Steady-State Power Reactor Power D
Mh'th
~
llot Standby Net Output MWe Cold Shutdown
. Percent of Full Power Refueling Shutdown _
Load Changes During Routine Routine Startup Power Operation Operation.
Routine' Shutdown X
Operation Other -(specify) -
t 7.
Description of Occurrence:
Samples taken on 12/22/75 from the discharge canal and point 20 indicat
- th'at the: chemical concentration of chlorides increased across the plant e
by 46 mg/l versus an Environmental Technical Specification limit of 25 mg/1.
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8004290 [2 7
2 Non-Routine, Non-Radiological Environmental Report No. 50-313/75-62 7
1-8.
Designation of Apparent Cause of Occurrence:
Design Procedure
~ Manufacture -
Unusual Service Condition Including Environmental Installation /
Const'ruction Component Failure Operator Other (specify)
X Neutralizing tank draining into discharge flume at tige of sampling.
b 9.
Analysis. of Occurrence:
}
,The neutralizing tank, which contains water impurities remaining after regenerating condensate demineralizers and plant makeup water demin-eralizers, was'being drained into the discharge fiume when samples were taken.
Three, circulating water pumps were in operaton, providing approximately 562,500 gpm dilution flow, and no other liquid releases were in progress at the time of sampling.
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-A-Non-Routine,-Non-Radiological Environmental Report No.
50-313/75-62 c.
.10.
Corrective Action:
Revisions.to ETS concerning chemical discharges have been prepared and submitted to the NRC for approval.
Y 11.
Failure' Data:
The circumstances.of this report are similar to those reported in Non-Routine, Non-Radiological Environmental Reports No. 50-313/75-28 through 50-315/75-61.
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