05000369/LER-1982-045

LER 82-045/03L-0:on 820527,HEPA & Carbon Adsorber Filters Periodic Test Revealed That Carbon Adsorber Filters on Auxiliary Bldg Ventilation Sys Failed to Pass Freon Penetration Test.Caused by Carbon Settlement

ML20054M020
Person / Time
Site:	McGuire
Issue date:	06/30/1982
From:	Nardoci P DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20054L913	List: 05000369/LER-1982-037 05000369/LER-1982-041 05000369/LER-1982-042 05000369/LER-1982-043 05000369/LER-1982-044 05000369/LER-1982-045 ML20054L912
References
TASK-2.D.1, TASK-TM LER-82-045-03L, LER-82-45-3L, NUDOCS 8207090159
Download: ML20054M020 (1)

LER-2082-045,

Event date:
Report date:
3692082045R00 - NRC Website

text

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EVENT DESCnimCN ANO ence ASLE CON 3ECUENCES h o 2 I Performance of th: "in-place test of HFPA and carbon adsorber filters" periodici ITTT1 1 t e st revealed that the carbon adsorber filter on the auxiliary building ventil-l I'5T 1lation (VA) system failed to pass the freon penetration test. The VA system was!

I o t s i i dec1, red inonerable per T.S. 3.7.7 which is reportable per T.S. 6.9.1.13(b) and t o Isinflar to previona En164/82-43 and 82-41. Since no credit is taken in safety l u 7 lan,1vsis calculations for the VA filter systems, and the effectiveness of the l t o in t I filters was oniv slight 1v dimin isp d, health and safety of the public were un-l

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g Ithe system was declared operable on May 28, 1982. Past experience has shown l tii.iIthat only one addition of carbon is necessarv after the carbon settles. l a e .,

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