ML17298C139

Requests Delay in Plant Operations & Acceptance of Coalition for Responsible Energy Educ Petition.Article Re Corrosion at Facilities Caused by Bacteria Gallionella Encl

ML17298C139
Person / Time
Site:	Palo Verde
Issue date:	05/14/1985
From:	Karen Chapman AFFILIATION NOT ASSIGNED
To:	Harold Denton Office of Nuclear Reactor Regulation
References
TAC-57419, NUDOCS 8505210273
Download: ML17298C139 (6)

Text

REBULATOrINFORMATION DISTRIBUTION STEM (RIBS)

AC~ESS10N NBRs8505210273 DOC DATE: 85/05/20 NOTARIZED'O DOCKET

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FACIL':STN-50 528 Pal o Verde Nucl ear Stationi Uni t ii Arizona Publ i STN."50 529 Palo Verde Nuclear Stationi Unit 2< Arizona Publi 05000528, 050005?9 STN 50-530 Palo Verde Nuclear Stationi'nit 3i Arizona Publi 05000530 AUTH INANE AUTHUR AFFII IATION CHAPMANFK~ Affiliation Not Assigned RECIP ~ NAME 'ECIPIENT AFFILIATION DENTONiH ~ Office of Nuclear Reactor Regulationi Director:

S UBJECT: Requests delay in plant oper ations 8 acceptance of Coalition for Responsible Energy Educ petitionNAr ticle re corrosion at facilities caused by bacteria Gallionella encl.

DISTRIBUTION CODE: YE03D COPIES RECEIVED:LTR J ENCL, J SIZE ~

TITL,E: Request for NRR Action (e,g. 2,206 Petitions) L Related Correspondenc NOTES:Standardized plant ~ 050005?8 Ol: 12/31/84 Standardized plant. 05000529 Standardized plants 05000530 RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL NRR lB3 BC 1 1 NRR LB3 LA 2 LICITRAiE 01 1 1 INTERNALS EDO/ACB 1 1 ELD/HDS3 1 1 1 NRR DIR 1 ~

1 REG F OQ 1 EXTERNAL: LPDR 03 1 1 NRC PDR 02 NSIC 05 1 1 TOTAl NUMBER OF COPIES REQUIRED: LTTR 11 ENCl 11

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aCt8I'Ii m'iiy- be" iCItiF'Ig iiP Pili'.Veide".iiiiiti

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Key components 8y V)cree Qrtcks ' -'"r s

'ynv~ntxc~cce oeji'et'aio wh/Pg Wea Nudcar Generating v, emergency '4

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remove heat from the nudcar reactor and its,.'he Coalition for Responsible Energy Education, a Palo

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's .-,: ".- . u. ~ Verde opponentx'oup, plans to file a

.: -: - ' . ". ~ later this week aski'ng that it compel ApSrequest with the NRC Station may.have been contaminated with metaiwagng " MparationsareundcrwayforinitiatingnudcarcritlcaHty

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to dean the existing corrosion pn aH affected stean inspect other for bacteri when pioject oflicia)s flushed a tainted cooHng hi the Unit I reactor later this month, with co crcial,+~rg contamination and test its proposed systems r + @~a~ ~dA treatment

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system 4 ) /H ~ ~ g ~

~ ~ by the cud of the year. i program ln the )ab to sce if lt is cffectlvcy executive director And one of'he nation's leading aiit)ioritics on"nudcar 8'Arixona Public Service Co offlciais said the )cake wfll not 'fyron Scottsaid recently. ', e>>- .:.>> -.>> . u ii)..o.:

power plant corrosion said steps proposed at Pa)4'Verde to;, p pc . ' '

rid the plant of the bacteria CZioncfJa may not be effective..., i>> 'PS Exccutivo Vice President Ed Van Biunt Jr>> told the 'NRC I The H dhnensions of the corrosion problem a)so Daniel Pope of Rensschicr Polytechnic Institute of Tiny, WC.m!d +a +'e Corpom" "+~ n concerned, Roy Ehnmcrman, senior site inspector for thePaloVerdeprojcct,said.

N.Y said'he bacteria that ate its way through wcMs fn a are "insigniilcant," and the bacteria.that caused them can be cooling system at Palo Vade may have migrated to other ',tu1lbd viith chemicids

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ii '." v " < i'.i .~~,.: ..'. ".This microorganism is afl aiound," Zimmcrman s'sid. "It'

'n partsofthep)ant- .' ~ I" ".. l; '.,': 'IButPopissfdthechcmW treatment'APSwantsi.uwito And although project offlcisls have discounted that 'kfll tho microorganism may not be effective, and faflure t'o .uomewhcreclseP the spr y'pond sy te Ifo -do-we kn

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possibflity, they detected microbiologicafly fnfluenccd coiro. 'remove existing corrosion couM cause Eprthcr damage.

'tel sion in another plant component hist summer, accoeHng to a '.'Hoes consultants NALCO Chenucals'of NspcrviHe, IH " Oiflce of Nudear Reactor Rcgu)ation will oucstion.APS rcportfHcdwiththe US.NudcsrRcguixtoryCominission.

MgiQS of San Francisco; and David Buquette, a offlcia)s about the possibility microorganisms have invaded pope said a simflar cori'osion problim occurred at the mstaHurgt! at Rcnssclser.,'<Mentiflcd a'~croorganism as other parts of Palo Verde when they mcct with thein in

- 'ashington, D.Cnext week '"

fcdcra) government'a Savannah River plutonium plant in the cause of the corrosion .".. ~ .".".

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Aikcn, S.C several peas sgo. Gdlioncffa that invaded a =Palo'erde.olflcials.already have spent $ 65.000 studying

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ph t e,hm Vcrile subsequent)ydamsgcdanothersystcm.

. Hke the one at Pdo -0 r

on microbiologicsfly mfluenced corrosion for the Electri Power Research Institute,"a trade group of electri utiTitics.

md,toM 0 state C.~mt,on C.mm~ionit

',con!8 cost an additional gg miHion ifit became nc'ccsssry to Pope, an, associate professor of bioliuiy, is writhig'a study rcp)ace aH<<affected wc!de;

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~ere are ways 'oi .

go about treating a )iroblem

"..., L t m microbioiogicaHy Van B~t influence coolingwater um atUnit2.

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th t conosion on the bhdm.of a

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'.The co'rros'ion occuncd because technicians had failed to scicntiTicafly in contrast to dumping a bunch of chcmica)s" completely flush contaminated water out of the inside of a

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Jn )ate March, Palo Verde odylic';.)s reported that into a cooling system and thin)dng hhick rssgic will cure it pump after testing, he wrote. The water was left standing for Csfli ella had corroded.doxcns f pipes and had caused rix months.

fi'nhole-sixcd leaks in about 30 wclds of a cooHng systere for. ButAPS offlicialsthink thechemical trcatmcntwfl) work " bflC (micro nits I and 2. ';Don ~ ~

b iologi y in ucn Karncr, APS assistant vice president for nudcar nrobablv erist(s) in other safety. related systems at PVbiGS Ths contaminated spray pond cooling system is used every product!on, said, "We think our corrective action phin wiH be )palo Verde Nudear Generating Station)," Van Brunt@Id corrosion) ctcria thne the plant shuts down either routinely. or during an effective." the comxeission.

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