ML061450147

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Presentation - Tritium Monitoring - Dresden Station Chemistry
ML061450147
Person / Time
Site: Dresden  
Issue date: 05/12/2006
From:
- No Known Affiliation
To:
Office of Nuclear Reactor Regulation
References
FOIA/PA-2006-0130, FOIA/PA-2010-0209
Download: ML061450147 (13)


Text

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-T is un-1\\4 nit Deden SttonCemsr AM,*==

iHPCISuction Leak in or Sdampling-peo dnJuly 31, 20(

-b substanial levels o f tritu

-W-3 6,125,89piL

¢gS~0:-:W-1 3,613,93lipCiL 00: :X 0 84 4; ;

- T-6 1,960,331 p IL

  • Dresden IR 248494

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  • x :Area was excavated a

Leak determied to be located under liquid nitrogen sto agetanks

  • Suction line frm C on ate Storage Tank sealed wOit blde 1204

.*; Statdate of::leak deerined from Unit 1(40 IntakeftItium co ncentations.

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Acivitiy Released Lie ctivt concentaions

- Condensate StorageTan.k,. tritium

- Wateater Treatment.. efuenCo6

-- -StormSwer effluenthCo-60

  • Vol ume ij

- Basedotn leak rate fromfpressure tesg of abandoned pipidngt

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s-j Activity Released

  • -Total of 2-1.2Ci: trtium Treleased

- 11 iin2004i, 3.08 Ci in 2003 5.066E-06 Ci

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  • Captured i-nDresden Abnormal Release,

(D R)epr DAR-,`200:4;02

  • Will be reported in2004 Annual Radioactive Effluent-Release Report, t0t:i f-0-t:.ffL4:a?.f CgE at;0..;3La30

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Curn vssessment aby wels near exvi ar inceasingv:

oracted exntht fthis lieydu~e, to tepume from previosla

  • Strm, drains :are, sedldcreasing
  • Intermedit wel lin. arear 7cl0pilg uikl No sigic eaks,are speted-

Moving orar ted pbished eauato ad. reme diation, plan dtue 7-12-0

'ContinueonOU1:

amcreased, frequency ~untilr tiiulevels, reiturnto b~ackground levels

~Offst Ds alculation ana