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 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 STN 50-530 Palo Verde Nuclear Stationi'nit 3i Arizona Publi AUTH INANE AUTHUR AFFII IATION CHAPMANFK~

Affiliation Not Assigned RECIP ~ NAME

'ECIPIENT AFFILIATION DENTONiH ~

Office of Nuclear Reactor Regulationi Director:

DOCKET

05000528, 050005?9 05000530 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)

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Ol: 12/31/84 Standardized plant.

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v, emergency '4 remove heat from the nudcar reactor and its,.'he Coalition for Responsible Energy Education, a Palo

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~ Verde opponentx'oup, plans to file a request with the NRC Key components oeji'et'aio Wea Nudcar Generating

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~ later this week aski'ng that itcompel ApS to dean the existing Station may.have been contaminated with metaiwagng " MparationsareundcrwayforinitiatingnudcarcritlcaHty corrosion pn aH affected stean inspect other systems 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 treatment system 4

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@~a~ ~dA by the cud ofthe year.

i program ln the )ab to sce iflt is cffectlvcy executive director And one of'he nation's leading aiit)ioritics on"nudcar 8'Arixona Public Service Co offlciais said the )cake wfllnot 'fyronScottsaid recently. ', e>>-

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

p pc

"'!'.The I H dhnensions of the corrosion problem a)so rid the plant ofthe bacteria CZioncfJa may not be effective..., i>>'PS Exccutivo Vice President Ed Van Biunt Jr>> told the

'NRC concerned, Roy Ehnmcrman, senior site inspector for Daniel Pope of Rensschicr Polytechnic Institute of Tiny, WC.m!d +a +'e Corpom" "+~ n + +~

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

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" < i'.i':.~~,.:..'. ".This microorganism is afl aiound," Zimmcrman s'sid. "It' partsofthep)ant-

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l;'.,': 'IButPopissfdthechcmW treatment'APSwantsi.uwito 'n the spr y'pond sy te Ifo -do-we kn And although project offlcisls have discounted that

'kfll tho microorganism may not be effective, and faflure t'o.uomewhcreclseP

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possibflity, they detected microbiologicafly fnfluenccd coiro.

'remove existing corrosion couM cause Eprthcr damage.

sion in another plant component hist summer, accoeHng to a '.'Hoes consultants NALCOChenucals'of NspcrviHe, IH " Oiflce of Nudear Reactor Rcgu)ation will oucstion.APS rcportfHcdwiththe US.NudcsrRcguixtoryCominission. 'tel 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 fcdcra) government'a Savannah River plutonium plant in the cause ofthe corrosion

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'ashington, D.Cnext week '"

Aikcn, S.C several peas sgo. Gdlioncffa that invaded a

=Palo'erde.olflcials.already have spent $65.000 studying i*

supply.m!.~

ph t e,hm Hke the one at Pdo

-0 ~m md,toM 0 state C.~mt,on C.mm~ionit L t m Van B~t'~~ th t ~~'round-Vcrilesubsequent)ydamsgcdanothersystcm. ';

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

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coolingwater um atUnit2.

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on microbiologicsfly mfluenced corrosion for the Electri

~ere are ways 'oi go about treating a )iroblem

'.The co'rros'ion occuncd because technicians had failed to Power Research Institute,"a trade group ofelectri utiTitics.

scicntiTicafly in contrast to dumping a bunch of chcmica)s completely flush contaminated water out of the inside of a Jn

)ate

March, Palo Verde odylic';.)s reported that into a cooling system and thin)dng hhick rssgic willcure it "

pump after testing, he wrote. The water was left standing for Csfli ella had corroded.doxcns f pipes and had caused rixmonths.

fi'nhole-sixcd leaks in about 30 wclds of a cooHng systere for.

ButAPS offlicialsthinkthechemical trcatmcntwfl) work

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(micro io ogi y in ucn corrosion) ctcria

';Don 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 thne the plant shuts down either routinely. or during an effective."

the comxeission.

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