ML19319E396
| ML19319E396 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 09/23/1975 |
| From: | ARKANSAS POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML19319E390 | List: |
| References | |
| NUDOCS 8004100683 | |
| Download: ML19319E396 (3) | |
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Non-Routine, Non-Radiological Environmental Rep 6rt No. 50-313/75-48 2.
Report Date: September 23,,1975 3.
Occurrence Date': deptember 16, 1975 4.
Facility: Arkansas Nuclear One - Unit 1 Russellville, Arkansas 5.
Identification of Occurrence:
Chemical concentration of chloride increased across the plant in excess of ETS limit.
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Conditions Prior to Occurrence:
Steady-State Power
, Reactor Power 0
MWth Hot Standby.
Net Output.
O MWe Cold Shutdown Percent of Full Power 0%
Refueling Shutdown Load Changes During Routine
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Routine Startup Operation Routino Shutdown Operation Other (specify)
Plant in Hot Shutdown condition for repair of, leaking valves on secondary side of steam generators.
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Description of Occurrence:
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Chloride concentration in water sampics taken at point 20 and froin plant discharge, anal indicate that chloride concentration in the plant discharge c
canal was 65 mg/l higher than chloride concentration at/ point 20.
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- Non-Routine, Non-Radiological Environmental Report No. 50-313/75-48
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Designation of Apparent Cause of Occurrence:
Design Procedure Manufacture Unusual Service Condition Including Environmental Installation /
. Construction Componant Failure Operator Other (specify) Neutralizing tank draining into discha$ge fiume at time of sampling.
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Analysis of Occurrence:
The neutralizing tank which contains water impurities remaining after regenerating condensate demineralizers and pl ant makeup water domineral-izers was being drained into the discharge flume when sampics were taken.
No other liquid releases were in progress at the time of sampling. Weather.
was rainy several hours prior to collecting samples.
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Non-Routine, Non-Radiological Environmental Re ort No. 50-313/75-48 r
h 1(i. Corrective Action:
Revision to Environmental Technical Specifications concerning chemical l
discharges has been prepared and submitted to the NRC for approval.
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Failure Data:
l The circumstances of this report are similar to those reported in Non-Routine, Non-Radiological Environmental Report No. 50-313/75-28 through 50-313/75-47.-
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