ML19319E508
| ML19319E508 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 07/11/1975 |
| From: | ARKANSAS POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML19319E505 | List: |
| References | |
| NUDOCS 8004110781 | |
| Download: ML19319E508 (3) | |
Text
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Non-Routine, Non-Radiological Environmental Report No. 50-313/75-39 i
2.
Report Date:
July ll, 1975 3.
Occurrence Date:
June 30,1975 4.
Facility:
Arkansas Nuclear One-Unit 1 Russellville, Arkansas 5.
Identification of Occurrence:
Chloride concentration in condenser circulating water increased across the plant in excess of ETS limits.
6.
Conditions Prior to Occurrence:
Steady-State Power X
Reactor Power 2415 MWth l
Hot Standby Net Output 750 Mwe Cold Shutdown Percent of Full Power 94 %
i Refueling Shut <~own Load Changes During Routine l
Power Operation j
"'N Routine Startup
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. Operation Roccine Shutdrwn j
Operation l
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7.
Description of Occurrence:
Samples taken from the discharge canal and at point 20 on June 30, 1975,
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indicate that chloride concentration in the discharge canal was higher j
than chloride concentration at point 20 by 27 mg/1.
Environmental Technical Specification limit is 25 mg/1.
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Non-Routine, Non'-Radiological Environr.cntal. Report No.
50-313/75-39 i
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Designation of Apparent Cause of Occurrence:
Design Procedure Manufacture Unusual Service Condition Including Environmental Installation /
Construction Component Failure Operator Other (specify)
X Neutralizing tank was draining in the discharge flume at time of sampling.
9.
Analysis of Occurrence:
The neutralizing tank, which contains water impurities remaining after regenerating condensate demineralizers and plant makeup water deminera-I lizers, was being drained into the discharge flume when samples were taken. No other liquid releases were in progress at time of sampling.
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Non-Routine, Non-Radiological Environmental Report No.
50-313/75-39 s
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Corrective Action:
Environmental Technical Spec 1rication changes have been submitted to the NRC for review.
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Failure Data:
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a The circumstances of this report are similar to those reported in Non-Routine, Non-Radiological Environmental Reports No. 50-313/75-25 through 50-313/75-38.
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