ML19256D435
| ML19256D435 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 06/21/1974 |
| From: | Brunner E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Thornburg H US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 7910180775 | |
| Download: ML19256D435 (1) | |
See also: IR 05000289/1974025
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JUN 21 y
H. D. Thornburg, Chief, Field Support and Enforcement Branch
Directorate of Regulatory Operations, HQ
RO INSPECTION REPORT No. 50-289 h
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METROPOLITAN EDISON COMPANY
LICENSE NO. DPR-50
The subject inspection report is forwarded for appropriate Headquarters
action. The action requested is discussed below:
Detail 7 of the inspection report discusses the dilution of the Sodium
Thiosulf ate Tank during recirculation of the Sodium Hydroxide Tank as a
result of leakage thru a normally closed valve and the corrective actions
taken and being considered by the licensee. - We note that the licensee
is acting responsibly to prevent a recurrence of this situation.
Technical Specifications require that each tank be sampled quarterly and
after makeup. The safety implications of this event are that it would
be possible to operate unknowingly with a tank out of specs until the
next sample period. We believe this occurrence has disclosed an apparent
design deficiency which may be generic to B&W designed plants.
(
We recommend that Licensing review this matter for possible backfit
considerations on currently licensed plants and for possible considera-
tion during design review of plants not yet licensed.
The documentation letter and inspection report for this inspection have
been sent to the licensee from this office.
E. J. Brunner, Chief
Reactor Operations Branch
Enclosures:
1.
Copy of Documentation Letter
and Description of Violations
2.
RO Inspection Report No. 50-289/74-25
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