05000368/LER-1981-015-03, /03L-0:on 810406,RCS Chloride Concentration Trended Upward to High of 0.18 Ppm.Caused by Purification Demineralizer in Svc Which Had Slightly Higher Chloride Concentration than Sys Concentration

/03L-0:on 810406,RCS Chloride Concentration Trended Upward to High of 0.18 Ppm.Caused by Purification Demineralizer in Svc Which Had Slightly Higher Chloride Concentration than Sys Concentration

ML20003J305
Person / Time
Site:	Arkansas Nuclear
Issue date:	05/04/1981
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20003J303	List: 05000368/LER-1981-015, Forwards LER 81-015/03L-0 05000368/LER-1981-015-03, /03L-0:on 810406,RCS Chloride Concentration Trended Upward to High of 0.18 Ppm.Caused by Purification Demineralizer in Svc Which Had Slightly Higher Chloride Concentration than Sys Concentration
References
LER-81-015-03L, LER-81-15-3L, NUDOCS 8105110236
Download: ML20003J305 (1)

LER-1981-015, /03L-0:on 810406,RCS Chloride Concentration Trended Upward to High of 0.18 Ppm.Caused by Purification Demineralizer in Svc Which Had Slightly Higher Chloride Concentration than Sys Concentration

Event date:
Report date:
3681981015R03 - NRC Website

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NRC FORM 3t.4 U. S. NUCLE AR REGULATORY COMMISSION LICENSEE EVENT REPORT EXHIBIT A CONTROL 8 LOCK: l l l l l l.lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI y l AlR l Al Nj 01 2]gl 0 [0 l -l0 l0 l 0l 0l 0 l-l 0 l0 lgg4 l1 l 1l1 l 1]gl l lg s e uciusas coos se is uce ust uvuee n 25 as ucinse ivet 2o sicarsa CON'T "l,U,"' [L_j@[0 l 5' p l010131618 l@l014 I C 16 l 811 l@D I 5 D I41811 l@

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8 63 en ooc 8LET NUM0ER (dl 69 (VENT 6.4TE 74 75 HEPoRT oaf a 80 EVENT DE'CRIPTION AND PROB ABLE CONSEOL'ENCES h r3Til I During Mode 5 operation, Reactor Coolant System Chloride (Cl-1 concentra-l r5TrlItion trended upward in a hinh nf O_1Rnnm n A1nnm highev-than that 3))c;;cd goi,i by T.S. Table 3.4-1.

The chloride concentration remained areater than I

I the steadv state limit for more than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

T.S. 3.4.7 Action State-I o s g g3 iment for Mode 5 operation was met. Similar to LER's 50-368/80-013 and i

loI>II78-007.

Reoortable oer T.S. 6.9.1.9.b.

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