ML12271A433

Enclosure 11 to ULNRC-05893 - Groundwater Tritium Well Data

ML12271A433
Person / Time
Site:	Callaway
Issue date:	08/13/2012
From:	Ameren Corp
To:	Office of Nuclear Reactor Regulation
References
ULNRC-05893
Download: ML12271A433 (1)

Text

Tritium Concentration in Monitoring Wells Near the Power Block GWS936937A937B937C937D937E937F938939940941UHSU2H OW4OW5 OW1OW2OW3pCi/LpCi/LpCi/LpCi/LpCi/LpCi/LpCi/LpCi/LpCi/LpCi/LpCi/LpCi/LpCi/LpCi/LpCi/L1/2006209195<<

4/2006254155<246 7/2006<191<<<10/2006<164202199<<<175<2152452382511/2007152185<438<<168246293167296<<<

4/2007<<<260<<<<<208<308<<<

7/2007<<<270<<194228182334<<<10/2007<<<<<<<<<<<334<<<1/2008<359<420<219373235

<<<421<345<4/2008<1479<271<<281<<<349385<<<5/2008194265<325<<331<287471<<<

6/20081170294<298216<234<<291 7/2008<<<<<<<<<214255421269253<

8/2008603667<297<<241<<9/2008<199<202<210<<<10/2008<<<<<<<316476<<<

11/2008<553<<956<<<12/2008<273<204206234<<2511/2009<337<269<294OOS<330<<2/2009<193<<187275OOS303<276 3/2009<<<<<<OOS<<299 4/2009<<<262192<<<<312314459277316213 5/2009<<<267<<<<

6/2009204<<297<<206<

7/2009<<<<<<<<<<<385 8/2009250264<248<<<<

9/2009<215<<<<<<10/2009<OOS<<<<<<<<

11/2009204272<233<<<<

12/2009<814<273<<180<1/2010<312<339<<<<<<245385 2/2010<521<305<<209<

3/2010<252<528<<<<

4/2010188175<363156205391156<183287481 5/2010234241<364<<220<

6/2010237<168345199246263<

7/2010179355253266204278<<282378 8/2010209253<301<261<205 9/2010<200<<<<<<10/2010192<<<207<<<<<295339 11/2010168<<<243<<<

12/2010267<<<<<<<<drydry<1/2011372191<211<193167<<dry<<<no data278331 2/2011282280195217168187<<<651<<

3/2011201911<352<<271<<9647<<3/30/2011123148654/6/2011232541281176<149145<3602<<4/13/2011<567<320<<196<<3109<<<175326526 4/21/2011<2812656 4/26/201125643519565/2011no data411<227<<196<<1271<<

5/26/2011 5826/2011no data166<<<<<168<596<<

7/2011no data279<154<<<<<dry<<232514 8/2011no data<<<<<<<<dry<<

9/2011no data<<<<<<<<dry<<10/2011<1049<<<<225<<dry<<308318 11/20111742395<<<<374155<655<<

12/20111275186<<<<208<<426<<1/2012<1541<162<<195<1691009<<293368 2/2012<435<191<213183<230dry<<

3/2012<<<<168<<<<dry<<

4/2012<<<<<<<<<dry<<283326 5/2012163<<<<<<<<dry<<

• The elevated tritium in well MW-939 in March & April, 2011 is due to condensation from the Refueling Water Storage Tank vent.

Refer to CAR 201102543.

• The tritium in the power block wells is due to washout of tritium in gaseous effluents.

GWS pump was OOS from 7/22/08 to 8/18/08