Shunsuke HORI, Akira SUZUKI Tokyo Electric Power Company

21
1 TEPCO’s Challenges for Occupa tional Exposure Reduction -Installation of Additional CF in Fukushima Daii chi NPP- Shunsuke HORI, Akira SUZUK I Tokyo Electric Power Company Nuclear Power Plant Management Departme nt Radiation Protection Group ISOE International ALARA Symposium September 8-9, 2009, Aomori, JAPAN

description

TEPCO’s Challenges for Occupational Exposure Reduction -Installation of Additional CF in Fukushima Daiichi NPP-. Shunsuke HORI, Akira SUZUKI Tokyo Electric Power Company Nuclear Power Plant Management Department Radiation Protection Group ISOE International ALARA Symposium - PowerPoint PPT Presentation

Transcript of Shunsuke HORI, Akira SUZUKI Tokyo Electric Power Company

  • TEPCOs Challenges for Occupational Exposure Reduction

    -Installation of Additional CF in Fukushima Daiichi NPP-Shunsuke HORI, Akira SUZUKITokyo Electric Power CompanyNuclear Power Plant Management Department Radiation Protection Group ISOE International ALARA SymposiumSeptember 8-9, 2009, Aomori, JAPAN

  • Profile - LocationElectricity sales by the 10 electric utilities

    Graph1

    63.981

    6.505

    16.8

    32.626

    7.962

    33.865

    11.826

    6.665

    20.023

    1.925

    total202.178GW

    Graph1 (2)

    288.956

    31.839

    81.101

    129.734

    28.154

    145.867

    61.222

    28.701

    85.883

    7.476

    total

    889.0

    TWh

    TEPCO289.0 TWh

    Sheet1

    20

    [GW][TWh][%][%]

    TEPCO63.981288.95632%33%

    Hokkaido6.50531.8393%4%

    Tohoku16.881.1018%9%

    Chubu32.626129.73416%15%

    Hokuriku7.96228.1544%3%

    Kansai33.865145.86717%16%

    Chugoku11.82661.2226%7%

    Shikoku6.66528.7013%3%

    Kyushu20.02385.88310%10%

    Okinawa1.9257.4761%1%

    10Total202.178888.933

  • TEPCOs Nuclear Power Plants 17 BWRs including 2 ABWRs (total capacity 17,308MWe) - 27% of generation capacity (FY 2008)Kashiwazaki-Kariwa NPPFukushima-Daini NPPFukushima-Daiichi NPPNPP

  • ContentsOccupational Exposure in NPPMeasures for Reduction of Collective DoseQuality of Feed Water after Installation of Additional CF in Fukushima Daiichi Unit 6 Collective Dose Estimation Secondary Effects by Reduction of CRUDConclusions

  • Occupational Exposure in NPP (1/2)Collective Dose per Reactor in Nuclear Power Station (BWR)(2006 to 2008 Average)

    2008data

    2007 2Q-2009 1Q

    Higashidori 10.2

    Isar 1-10.43

    Olkiluoto 20.47

    Shika 20.49

    Forsmark 30.59

    Limerick Unit 10.61

    Shika 10.63

    Browns Ferry Unit 10.65

    Oskarshamn 30.72

    Philippsburg 10.73

    Forsmark 20.73

    Onagawa 10.74

    Onagawa 20.74

    Onagawa 30.74

    Hatch Unit 10.77

    LaSalle Unit 10.82

    Forsmark 10.84

    Leibstadt 10.85

    Susquehanna Unit 10.85

    Clinton Unit 10.88

    Dresden Unit 20.92

    Hatch Unit 20.93

    Hamaoka 30.94

    Hamaoka 40.94

    Hamaoka 50.94

    Brunsbuettel 10.96

    Olkiluoto 10.98

    Susquehanna Unit 20.98

    Pilgrim Unit 11.04

    Chinshan 11.05

    Chinshan 21.05

    Monticello Unit 11.09

    Oskarshamn 21.1

    Limerick Unit 21.12

    Hope Creek Unit 11.13

    Muehleberg 11.17

    Duane Arnold Unit 11.18

    Fukushima Daini 11.19

    Fukushima Daini 21.19

    Fukushima Daini 31.19

    Fukushima Daini 41.19

    Kashiwazaki Kariwa 11.19

    Kashiwazaki Kariwa 21.19

    Kashiwazaki Kariwa 31.19

    Kashiwazaki Kariwa 41.19

    Kashiwazaki Kariwa 51.19

    Kashiwazaki Kariwa 61.19

    Kashiwazaki Kariwa 71.19

    Santa Maria De Garona 11.19

    Fermi Unit 21.3

    Gundremmingen Npp 21.33

    Grand Gulf Unit 11.35

    Kruemmel 11.36

    Brunswick Unit 11.37

    Nine Mile Point Unit 11.38

    Columbia Gen Sta Unit 21.39

    Peach Bottom Unit 21.42

    Peach Bottom Unit 31.45

    Oyster Creek Unit 11.46

    Vermont Yankee Unit 11.46

    Quad Cities Unit 11.47

    Browns Ferry Unit 31.54

    Kuosheng 11.57

    Kuosheng 21.57

    FitzPatrick Unit 11.58

    Dresden Unit 31.6

    Shimane 11.63

    Shimane 21.63

    LaSalle Unit 21.66

    Nine Mile Point Unit 21.67

    Ringhals 11.73

    Quad Cities Unit 21.77

    Laguna Verde 21.8

    Oskarshamn 11.91

    Brunswick Unit 21.95

    Gundremmingen Npp 11.99

    Tarapur 22.02

    Browns Ferry Unit 22.1

    Tokai-II 12.17

    River Bend Unit 12.2

    Tsuruga 12.22

    Cooper Unit 12.26

    Fukushima Daiichi 12.69

    Fukushima Daiichi 22.69

    Fukushima Daiichi 32.69

    Fukushima Daiichi 52.69

    Fukushima Daiichi 42.69

    Fukushima Daiichi 62.69

    Cofrentes 13.13

    Perry Unit 13.31

    Tarapur 14.1

    Laguna Verde 14.2

    Browns Ferry Unit 10.65

    Browns Ferry Unit 22.1

    Browns Ferry Unit 31.541.43Browns Ferry Unit 3Browns Ferry1.43

    Brunsbuettel 10.960.96Brunsbuettel 1Brunsbuettel0.96

    Brunswick Unit 11.37

    Brunswick Unit 21.951.66Brunswick Unit 2Brunswick1.66

    Chinshan 11.05

    Chinshan 21.051.05Chinshan 2Chinshan1.05

    Clinton Unit 10.880.88Clinton Unit 1Clinton0.88

    Cofrentes 13.133.13Cofrentes 1Cofrentes3.13

    Columbia Gen Sta Unit 21.391.39Columbia Gen Sta Unit 2Columbia Gen Sta1.39

    Cooper Unit 12.262.26Cooper Unit 1Cooper2.26

    Dresden Unit 20.92

    Dresden Unit 31.61.26Dresden Unit 3Dresden1.26

    Duane Arnold Unit 11.181.18Duane Arnold Unit 1Duane Arnold1.18

    Fermi Unit 21.31.3Fermi Unit 2Fermi1.3

    FitzPatrick Unit 11.581.58FitzPatrick Unit 1FitzPatrick1.58

    Forsmark 10.84

    Forsmark 20.73

    Forsmark 30.590.72Forsmark 3Forsmark0.72

    Fukushima Daiichi 12.69

    Fukushima Daiichi 22.69

    Fukushima Daiichi 32.69

    Fukushima Daiichi 42.69

    Fukushima Daiichi 52.69

    Fukushima Daiichi 62.692.69Fukushima Daiichi 6Fukushima Daiichi2.69

    Fukushima Daini 11.19

    Fukushima Daini 21.19

    Fukushima Daini 31.19

    Fukushima Daini 41.191.19Fukushima Daini 4Fukushima Daini1.19

    Grand Gulf Unit 11.351.35Grand Gulf Unit 1Grand Gulf1.35

    Gundremmingen Npp 11.99

    Gundremmingen Npp 21.331.66Gundremmingen Npp 2Gundremmingen Npp1.66

    Hamaoka 30.94

    Hamaoka 40.94

    Hamaoka 50.940.94Hamaoka 5Hamaoka0.94

    Hatch Unit 10.77

    Hatch Unit 20.930.85Hatch Unit 2Hatch0.85

    Higashidori 10.20.2Higashidori 1Higashidori0.2

    Hope Creek Unit 11.131.13Hope Creek Unit 1Hope Creek1.13

    Isar 1-10.430.43Isar 1-1Isar0.43

    Kashiwazaki Kariwa 11.19

    Kashiwazaki Kariwa 21.19

    Kashiwazaki Kariwa 31.19

    Kashiwazaki Kariwa 41.19

    Kashiwazaki Kariwa 51.19

    Kashiwazaki Kariwa 61.19

    Kashiwazaki Kariwa 71.191.19Kashiwazaki Kariwa 7Kashiwazaki Kariwa1.19

    Kruemmel 11.361.36Kruemmel 1Kruemmel1.36

    Kuosheng 11.57

    Kuosheng 21.571.57Kuosheng 2Kuosheng1.57

    Laguna Verde 14.2

    Laguna Verde 21.83Laguna Verde 2Laguna Verde3

    LaSalle Unit 10.82

    LaSalle Unit 21.661.24LaSalle Unit 2LaSalle Unit1.24

    Leibstadt 10.850.85Leibstadt 1Leibstadt0.85

    Limerick Unit 10.61

    Limerick Unit 21.120.865Limerick Unit 2Limerick0.865

    Monticello Unit 11.091.09Monticello Unit 1Monticello1.09

    Muehleberg 11.171.17Muehleberg 1Muehleberg1.17

    Nine Mile Point Unit 11.38

    Nine Mile Point Unit 21.671.525Nine Mile Point Unit 2Nine Mile Point1.525

    Olkiluoto 10.98

    Olkiluoto 20.470.725Olkiluoto 2Olkiluoto0.725

    Onagawa 10.74

    Onagawa 20.74

    Onagawa 30.740.74Onagawa 3Onagawa0.74

    Oskarshamn 11.91

    Oskarshamn 21.1

    Oskarshamn 30.721.2433333333Oskarshamn 3Oskarshamn1.2433333333

    Oyster Creek Unit 11.461.46Oyster Creek Unit 1Oyster Creek1.46

    Peach Bottom Unit 21.42

    Peach Bottom Unit 31.451.435Peach Bottom Unit 3Peach Bottom1.435

    Perry Unit 13.313.31Perry Unit 1Perry3.31

    Philippsburg 10.730.73Philippsburg 1Philippsburg0.73

    Pilgrim Unit 11.041.04Pilgrim Unit 1Pilgrim1.04

    Quad Cities Unit 11.47

    Quad Cities Unit 21.771.62Quad Cities Unit 2Quad Cities1.62

    Ringhals 11.731.73Ringhals 1Ringhals1.73

    River Bend Unit 12.22.2River Bend Unit 1River Bend2.2

    Santa Maria De Garona 11.191.19Santa Maria De Garona 1Santa Maria De Garona1.19

    Shika 10.63

    Shika 20.490.56Shika 2Shika0.56

    Shimane 11.63

    Shimane 21.631.63Shimane 2Shimane1.63

    Susquehanna Unit 10.85

    Susquehanna Unit 20.980.915Susquehanna Unit 2Susquehanna0.915

    Tarapur 14.1

    Tarapur 22.023.06Tarapur 2Tarapur3.06

    Tokai-II 12.172.17Tokai-II 1Tokai-II2.17

    Tsuruga 12.222.22Tsuruga 1Tsuruga 12.22

    Vermont Yankee Unit 11.461.46Vermont Yankee Unit 1Vermont Yankee1.46

    JAPAN

    All 51 stationPerry3.31Bottom Quartile

    Cofrentes3.1313

    Tarapur3.06

    Laguna Verde3

    8Fukushima Daiichi2.69

    Cooper2.26

    7Tsuruga2.22

    River Bend2.2

    Tokai-II2.17

    Ringhals1.73

    Brunswick1.66

    Gundremmingen Npp1.66

    Shimane1.63

    Quad Cities1.623rd Quartile

    FitzPatrick1.5813

    Kuosheng1.57

    Nine Mile Point1.525

    Oyster Creek1.46

    Vermont Yankee1.46

    Peach Bottom1.435

    Browns Ferry1.43

    Columbia Gen Sta1.39

    Kruemmel1.36

    Grand Gulf1.35

    Fermi1.3

    Dresden1.26

    Oskarshamn1.24333333332nd Quartile

    LaSalle Unit1.2413

    6Fukushima Daini1.19

    5Kashiwazaki Kariwa1.19

    Santa Maria De Garona1.19

    Duane Arnold1.18

    Muehleberg1.17

    Hope Creek1.13

    Monticello1.09

    Chinshan1.05

    Pilgrim1.04

    Brunsbuettel0.96

    4Hamaoka0.94

    Susquehanna0.915Top Quartile

    Clinton0.8812

    Limerick0.865

    Hatch0.85

    Leibstadt0.85

    3Onagawa0.74

    Philippsburg0.73

    Olkiluoto0.725

    Forsmark0.72

    2Shika0.56

    Isar0.43

    1Higashidori0.2

    2008graph

    3.31

    3.13

    3.06

    3

    2.69

    2.26

    2.22

    2.2

    2.17

    1.73

    1.66

    1.66

    1.63

    1.62

    1.58

    1.57

    1.525

    1.46

    1.46

    1.435

    1.43

    1.39

    1.36

    1.35

    1.3

    1.26

    1.2433333333

    1.24

    1.19

    1.19

    1.19

    1.18

    1.17

    1.13

    1.09

    1.05

    1.04

    0.96

    0.94

    0.915

    0.88

    0.865

    0.85

    0.85

    0.74

    0.73

    0.725

    0.72

    0.56

    0.43

    0.2

    Top Quartile

    2nd Quartile

    3rd Quartile

    Bottom Quartile

    Fukushima Daiichi(1F)

    Fukushima Daini(2F)

    Kashiwazaki Kariwa(KK)

    Person-Sv per Reactor

    Collective Dose per Reactor in Nuclear Power Station (BWR)(2006 to 2008 Average)

    2008graph(2)

    3.31

    3.13

    3.06

    3

    2.69

    2.26

    2.22

    2.2

    2.17

    1.73

    1.66

    1.66

    1.63

    1.62

    1.58

    1.57

    1.525

    1.46

    1.46

    1.435

    1.43

    1.39

    1.36

    1.35

    1.3

    1.26

    1.2433333333

    1.24

    1.19

    1.19

    1.19

    1.18

    1.17

    1.13

    1.09

    1.05

    1.04

    0.96

    0.94

    0.915

    0.88

    0.865

    0.85

    0.85

    0.74

    0.73

    0.725

    0.72

    0.56

    0.43

    0.2

    Top Quartile

    2nd Quartile

    3rd Quartile

    Bottom Quartile

    ReferenceWANO 2009Q1 data

    Fukushima Daiichi

    Fukushima Daini

    Kashiwazaki Kariwa

    Person-Sv per Reactor

    2007

    2006 2Q-2008 1Q

    Higashidori 10.1

    Shika 10.36

    Forsmark 30.48

    Oskarshamn 30.48

    Isar 1-10.53

    Hatch Unit 20.56

    Onagawa 10.57

    Onagawa 20.57

    Onagawa 30.57

    Santa Maria De Garona 10.65

    Forsmark 20.68

    Leibstadt 10.68

    Limerick Unit 20.75

    Philippsburg 10.77

    Oyster Creek Unit 10.87

    Olkiluoto 10.87

    LaSalle Unit 20.89

    Monticello Unit 10.91

    Forsmark 10.91

    Peach Bottom Unit 20.93

    Susquehanna Unit 20.93

    Brunsbuettel 10.98

    Olkiluoto 21.01

    Hamaoka 31.04

    Hamaoka 41.04

    Oskarshamn 21.06

    Chinshan 11.07

    Chinshan 21.07

    Susquehanna Unit 11.07

    Limerick Unit 11.09

    Kashiwazaki Kariwa 11.12

    Kashiwazaki Kariwa 21.12

    Kashiwazaki Kariwa 31.12

    Kashiwazaki Kariwa 41.12

    Kashiwazaki Kariwa 51.12

    Kashiwazaki Kariwa 61.12

    Kashiwazaki Kariwa 71.12

    Hamaoka 51.14

    Duane Arnold Unit 11.15

    FitzPatrick Unit 11.16

    Hope Creek Unit 11.21

    Muehleberg 11.21

    Gundremmingen Npp 21.22

    Dresden Unit 31.22

    Fukushima Daini 11.23

    Fukushima Daini 21.23

    Fukushima Daini 31.23

    Fukushima Daini 41.23

    Brunswick Unit 21.28

    Cooper Unit 11.29

    Brunswick Unit 11.32

    Kruemmel 11.33

    Grand Gulf Unit 11.33

    Vermont Yankee Unit 11.39

    Hatch Unit 11.4

    Fermi Unit 21.43

    LaSalle Unit 11.46

    Dresden Unit 21.52

    Shimane 11.56

    Shimane 21.56

    Nine Mile Point Unit 21.56

    Gundremmingen Npp 11.57

    Pilgrim Unit 11.62

    Nine Mile Point Unit 11.63

    Kuosheng 11.68

    Kuosheng 21.68

    Tsuruga 11.78

    Clinton Unit 11.79

    Laguna Verde 21.8

    Browns Ferry Unit 31.86

    Oskarshamn 11.9

    Ringhals 11.93

    Laguna Verde 12.15

    Peach Bottom Unit 32.23

    River Bend Unit 12.29

    Columbia Gen Sta Unit 22.3

    Perry Unit 12.31

    Quad Cities Unit 22.48

    Browns Ferry Unit 22.59

    Fukushima Daiichi 12.73

    Fukushima Daiichi 22.73

    Fukushima Daiichi 32.73

    Fukushima Daiichi 52.73

    Fukushima Daiichi 42.73

    Fukushima Daiichi 62.73

    Tarapur 12.88

    Tarapur 22.88

    Tokai-II 12.94

    Quad Cities Unit 13.18

    Cofrentes 14.02

    Tarapur 14.1

    Laguna Verde 14.2

  • Occupational Exposure in NPP (2/2)Annual Collective Dose Trend per Plant in Japan

    Graph4

    0.170701.305

    2.271713.21

    4.8272725.42

    4.32573733.7675

    3.6974743.695

    5.816666666775756.6366666667

    876768.0766666667

    6.4677776.632

    13.4116666667787810.3254545455

    10.28579798.7536363636

    10.688333333380808.8036363636

    10.940.15818.0925

    8.970.35827.5658333333

    8.361.115836.0157142857

    7.91666666671.53666666670.035.500625

    7.76666666670.80333333330.24.945625

    6.62166666670.5550.273.565

    6.0250.6550.273.5077777778

    3.1051.35750.282.9468421053

    4.362.2350.18666666672.6647619048

    3.80833333332.680.55666666672.39

    2.89166666671.14750.451.7385714286

    2.321.44250.4951.56625

    3.8051.13250.56752.224

    2.89166666671.190.5141.5823076923

    2.370.70250.90166666671.4966666667

    3.07833333331.280.58285714291.5996428571

    4.94333333330.83750.77571428572.0475

    4.13333333331.2550.71.7767857143

    3.89333333330.870.66285714292.1446428571

    4.19666666670.93250.77142857141.9567857143

    3.00166666670.9551.171.6834482759

    4.121.55751.19857142862.0972413793

    3.77166666672.10752.04428571432.3953333333

    3.50666666671.40250.80571428571.524516129

    2.58333333331.07751.341.3909375

    2.91666666670.9050.94428571431.3259375

    2.681.70751.08857142861.471875

    2.46666666670.94751.53142857141.4465625

    1F All Units Operation

    2F All Units Operation

    KK All Units Operation

    Fukushima Daiichi (1F)

    Fukushima Daini (2F)

    Kashiwazaki Kariwa (KK)

    BWR in Japan

    Fiscal Year

    Annual Collective Dose (Person-SvReactor)

    707172737475767778798081828384858687888990919293949596979899000102030405060708

    Exposure1F0.102.204.828.6511.0717.4524.0032.3080.4761.7164.1365.6453.8250.1647.5046.6039.7336.1518.6326.1622.8517.3513.9222.8317.3514.2218.4729.6624.8023.3625.1818.0124.7222.6321.0415.517.516.0814.8

    2F0.150.352.234.612.412.222.625.438.9410.724.595.774.534.762.815.123.355.023.483.733.826.238.435.614.313.626.833.79

    KK0.030.200.270.270.280.561.671.351.982.272.575.414.085.434.904.645.408.198.3914.315.649.386.617.6210.72

    BWR2.616.4210.8415.0722.1739.8248.4666.32113.5896.2996.8497.1190.7984.2288.0179.1364.1763.1455.9955.9650.1936.5137.5955.641.1440.4144.7957.3349.7560.0554.7948.8260.8271.8647.2644.5142.4347.146.29

    Workers1F5051,5082,0112,9573,5874,2794,8747,08711,31310,95510,54210,39210,1819,83810,10610,98011,63310,7279,13210,1059,2169,7119,95510,8969,4679,68310,27611,29610,17810,02710,0169,1419,5439909820885989230978710356

    2F2,6532,2014,3645,3875,3085,7155,7345,9835,9896,1105,5125,9616,0366,3835,7906,3236,2956,5835,8286,4676,6616,821660068286288628972706144

    KK1,0161,8802,3942,4972,0164,0523,7124,5205,2395,8226,7397,6577,4877,3857,3386,9487,3907,3327,5707325681980997758849110769

    BWR1,2612,7953,0734,7048,07510,74913,23817,72923,43123,58423,41626,82825,84728,86931,78333,61035,49234,94434,63235,12632,65834,63639,23742,74241,85742,82143,41145,20640,51543,99141,40442,25241,174432774113744297441294670650637

    111233356666666666666666666666666666666

    1123344444444444444444444444

    1111133344567777777777777

    BWR22246661011111112121416161818192121212425262728282828282929303132323232

    Exposure1F0.102.204.824.333.695.828.006.4613.4110.2910.6910.948.978.367.927.776.626.033.114.363.812.892.323.812.892.373.084.944.133.894.203.004.123.773.512.582.922.682.47

    2F0.150.351.121.540.800.560.661.362.242.681.151.441.131.190.701.280.841.260.870.930.961.562.111.401.080.911.710.95

    KK0.030.200.270.270.280.190.560.450.500.570.510.900.580.780.700.660.771.171.202.040.811.340.941.091.53

    BWR1.313.215.423.773.706.648.086.6310.338.758.808.097.576.025.504.953.573.512.952.662.391.741.572.221.581.501.602.051.782.141.961.682.102.401.521.391.331.471.45

    Exposure 1F

    Exposure 2F

    Exposure KK

    Workers 1F

    Workers 2F

    Workers KK

    Fiscal Year

    Annual Occupational Exposure (Person-Sv)

    Number of Radiation Workers

    1F All Units Operation

    2F All Units Operation

    KK All Units Operation

    Fukushima Daiichi (1F)

    Fukushima Daini (2F)

    Kashiwazaki Kariwa (KK)

    BWR in Japan

    Fiscal Year

    Annual Collective Dose (Person-Sv)

    1F All Units Operation

    2F All Units Operation

    KK All Units Operation

    Fukushima Daiichi (1F)

    Fukushima Daini (2F)

    Kashiwazaki Kariwa (KK)

    BWR in Japan

    Fiscal Year

    Annual Collective Dose (Person-Sv)

    1F All Units Operation

    2F All Units Operation

    KK All Units Operation

    Fukushima Daiichi (1F)

    Fukushima Daini (2F)

    Kashiwazaki Kariwa (KK)

    BWR in Japan

    Fiscal Year

    Annual Collective Dose (Person-SvReactor)

    1F All Units Operation

    2F All Units Operation

    KK All Units Operation

    Fukushima Daiichi (1F)

    Fukushima Daini (2F)

    Kashiwazaki Kariwa (KK)

    BWR in Japan

    Fiscal Year

    Annual Collective Dose (Person-SvReactor)

  • Measures for Reduction of Collective Dose(1/4)Measures for Reduction of Collective Dose in PCVImprovement ofMaterial Equipment or SystemOperationRadiation Level ReductionReduction of Activated Corrosion ProductsRemoval of Activated Corrosion ProductsControl of Activated Corrosion Products AttachmentOptimization of ShieldControl / Removal of CRUDMechanical Decontamination ()Chemical Decontamination ()Electrochemical Polishing ()Pre-filming ()Ni/Fe Control ()Zinc Injection ()Temporary Shield ()Permanent Shield ()Change in Piping Design(Geometry / Location) ()Temperature-Controlled Shutdown()CF Volume Increase()Use of Low Cobalt Material()Use of Corrosion-Resistant Material ()Optimized use of CF,C/D and CUW()Oxygen Injection()

  • Measures for Reduction of Collective Dose(2/4)Reactor Primary SystemBWRPLRRWCUMain Steam LineFeed WaterMoisture SeparatorSea WaterCondensate Polisher SystemHeaterHeaterFeed Water PumpCondenserLP-TurbineHP-TurbineGeneratorOxygenInjection

  • Measures for Reduction of Collective Dose(3/4)Annual Dose per Reactor (person-Sv)Fiscal Year Oxygen injection

    Use of low-cobalt material

    Use of weatherproof steel in component materials for feed water and condensate

    Control of feed water iron

    CF installation Results of Dose Reduction Measures

    Graph1

    0.1'70

    2.2'71

    4.82'72

    4.325'73

    3.69'74

    5.816666667'75

    8'76

    6.46'77

    13.41166667'78

    10.285'79

    10.68833333'80

    10.940.15

    8.970.35

    8.361.115

    7.9166666671.5366666670.03

    7.7666666670.8033333330.2

    6.6216666670.5550.27

    6.0250.6550.27

    3.1051.35750.28

    4.362.2350.186666667

    3.8083333332.680.556666667

    2.8916666671.14750.45

    2.321.44250.495

    3.8051.13250.5675

    2.8916666671.190.514

    2.370.70250.901666667

    3.0783333331.280.582857143

    4.9433333330.83750.775714286

    4.1333333331.2550.7

    3.8933333330.870.662857143

    4.1966666670.93250.771428571

    3.0016666670.9551.17

    Fukushima Daiichi

    Fukushima Daini

    Kashiwazaki-Kariwa

    Sheet1

    '70'71'72'73'74'75'76'77'78'79'80'81'82'83'84'85'86'87'88'89'90'91'92'93'94'95'96'97'98'99'00'01'02

    S45S46S47S48S49S50S51S52S53S54S55S56S57S58S59S60S61S62S63H1H2H3H4H5H6H7H8H9H10H11H12H13H14

    '70'71'72'73'74'75'76'77'78'79'80'81'82'83'84'85'86'87'88'89'90'91'92'93'94'95'96'97'98'99'00'01'02

    0.12.24.84.33.75.88.06.513.410.310.710.99.08.47.97.86.66.03.14.43.82.92.33.82.92.43.14.94.13.94.23.04.1

    111233356666666666666666666666666

    0.20.41.11.50.80.60.71.42.22.71.11.41.11.20.71.30.81.30.90.91.01.6

    1123344444444444444444

    0.00.20.30.30.30.20.60.50.50.60.50.90.60.80.70.70.81.21.2

    1111133344567777777

    1.13.33.83.42.63.84.54.36.35.55.85.35.24.43.73.52.92.72.52.22.01.41.41.81.31.31.31.61.41.61.51.5

    3.410.019.027.031.350.062.481.2131.3115.9127.5127.2125.0118.7117.2112.6102.094.892.887.481.957.963.586.664.966.369.080.871.883.878.878.0

    3358121314192121222424273232353537394041464749505252525252530

    BWR1.33.25.43.83.76.68.16.610.38.88.88.17.66.05.54.93.63.52.92.72.41.71.62.31.61.51.62.01.82.12.01.7

    BWR222466610111111121214161618181921212124242627282828282829

    BWR2.66.410.815.122.239.848.566.3113.696.396.897.190.884.288.079.164.263.156.056.050.236.537.655.641.140.444.857.349.760.054.848.8

    Sheet1

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    00

    BWR

    (Sv)

  • Measures for Reduction of Collective Dose(4/4)CF(Condensate Pre-Filter) in Japan (BWR)

    Graph1

    Tokai DainiTokai DainiTokai DainiTokai Daini

    Tsuruga-1Tsuruga-1Tsuruga-1Tsuruga-1

    1F-1501F-11F-1

    1F-2331F-21F-2

    1F-3331F-31F-3

    1F-4331F-41F-4

    1F-5331F-51F-5

    1F-6201F-680

    1002F-12F-12F-1

    1002F-22F-22F-2

    2F-32F-31002F-3

    1002F-42F-42F-4

    100KK-1KK-1KK-1

    KK-2KK-2100KK-2

    KK-3100KK-3KK-3

    KK-4100KK-4KK-4

    100KK-5KK-5KK-5

    KK-6100KK-6KK-6

    KK-7100KK-7KK-7

    Higashidori100HigashidoriHigashidori

    100Onagawa-1Onagawa-1Onagawa-1

    Onagawa-2100Onagawa-2Onagawa-2

    Onagawa-3100Onagawa-3Onagawa-3

    40Hamaoka-160Hamaoka-1

    75Hamaoka-225Hamaoka-2

    100Hamaoka-3Hamaoka-3Hamaoka-3

    Hamaoka-4100Hamaoka-4Hamaoka-4

    Hamaoka-5100Hamaoka-5Hamaoka-5

    100Shimane-1Shimane-1Shimane-1

    100Shimane-2Shimane-2Shimane-2

    Shika-1100Shika-1Shika-1

    Shika-2100Shika-2Shika-2

    Pleat Filter

    Hollow Fiber Filter

    Powdered Resin

    HFF

    Pass Ratio [%]

    Sheet1

    Hollow Fiber FilterPowdered ResinPleat FilterHFF

    Tokai Daini

    Tsuruga-1

    1F-150

    1F-233

    1F-333

    1F-433

    1F-533

    1F-62080

    2F-1100

    2F-2100

    2F-3100

    2F-4100

    KK-1100

    KK-2100

    KK-3100

    KK-4100

    KK-5100

    KK-6100

    KK-7100

    Higashidori100

    Onagawa-1100

    Onagawa-2100

    Onagawa-3100

    Hamaoka-16040

    Hamaoka-22575

    Hamaoka-3100

    Hamaoka-4100

    Hamaoka-5100

    Shimane-1100

    Shimane-2100

    Shika-1100

    Shika-2100

  • Quality of Feed WaterFeed Water Iron Concentration Trend after CF Installation(Fukushima Daiichi Unit 6)

    Graph1

    008.38322357230.9990045161

    8.1328.8188.38322357230.9990045161

    8.13212.478.38322357230.9990045161

    8.13212.478.38322357230.9990045161

    11.58212.478.38322357230.9990045161

    12.34511.21498.38322357230.9990045161

    12.34510.84118.38322357230.9990045161

    12.34510.84118.38322357230.9990045161

    12.34510.82278.38322357230.9990045161

    11.74510.82278.38322357230.9990045161

    10.64510.82278.38322357230.9990045161

    10.64510.82278.38322357230.9990045161

    9.101660.30798.38322357230.9990045161

    9.101660.30798.38322357230.9990045161

    16.3751.0518.38322357230.9990045161

    8.830.28778.38322357230.9990045161

    8.831660.2188.38322357230.9990045161

    8.831660.2188.38322357230.9990045161

    9.451660.2188.38322357230.9990045161

    9.451660.26978.38322357230.9990045161

    7.88280.16558.38322357230.9990045161

    7.88280.55068.38322357230.9990045161

    7.50280.41238.38322357230.9990045161

    7.460.16158.38322357230.9990045161

    24.40972222220.16158.38322357230.9990045161

    7.99280.16158.38322357230.9990045161

    7.99280.28758.38322357230.9990045161

    7.99280.18358.38322357230.9990045161

    8.134370.15398.38322357230.9990045161

    8.134370.13628.38322357230.9990045161

    7.304370.1298.38322357230.9990045161

    7.304370.1298.38322357230.9990045161

    7.824370.1298.38322357230.9990045161

    7.824370.1298.38322357230.9990045161

    7.824370.1298.38322357230.9990045161

    8.07040.1298.38322357230.9990045161

    8.07040.9278.38322357230.9990045161

    8.07040.143858.38322357230.9990045161

    7.83040.076318.38322357230.9990045161

    7.41040.093428.38322357230.9990045161

    7.41040.1598.38322357230.9990045161

    7.41040.1598.38322357230.9990045161

    8.83001040.07858.38322357230.9990045161

    8.83001040.07858.38322357230.9990045161

    7.8807390.08578.38322357230.9990045161

    7.8807390.08578.38322357230.9990045161

    8.60.08578.38322357230.9990045161

    8.60.13118.38322357230.9990045161

    8.60.096128.38322357230.9990045161

    9.17390.059948.38322357230.9990045161

    9.17390.20718.38322357230.9990045161

    9.17390.072858.38322357230.9990045161

    8.33040.072858.38322357230.9990045161

    9.275720.072858.38322357230.9990045161

    9.275720.12988.38322357230.9990045161

    9.275720.12058.38322357230.9990045161

    8.90.085138.38322357230.9990045161

    8.90.13488.38322357230.9990045161

    8.310.056768.38322357230.9990045161

    8.310.056768.38322357230.9990045161

    7.5906580.056768.38322357230.9990045161

    7.5906580.052588.38322357230.9990045161

    7.5906580.11768.38322357230.9990045161

    8.098.38322357230.9990045161

    8.098.3832235723

    8.918.3832235723

    8.918.3832235723

    7.751498.3832235723

    7.751498.3832235723

    7.751498.3832235723

    9.254658.3832235723

    9.254658.3832235723

    9.10228.3832235723

    9.55128.3832235723

    9.55128.3832235723

    9.55128.3832235723

    9.55128.3832235723

    9.55128.3832235723

    7.78.3832235723

    8.421428.3832235723

    8.421428.3832235723

    8.0708398.3832235723

    8.0708398.3832235723

    8.0708398.3832235723

    7.898.3832235723

    7.898.3832235723

    8.09002428.3832235723

    8.09002428.3832235723

    7.3109148.3832235723

    7.3109148.3832235723

    7.3109148.3832235723

    7.329168.3832235723

    7.329168.3832235723

    8.448.3832235723

    8.448.3832235723

    7.672068.3832235723

    7.672068.3832235723

    7.672068.3832235723

    7.672068.3832235723

    7.903158.3832235723

    8.99438.3832235723

    8.99438.3832235723

    8.301078.3832235723

    8.301078.3832235723

    8.301078.3832235723

    8.301078.3832235723

    8.301078.3832235723

    8.992588.3832235723

    8.992588.3832235723

    8.159748.3832235723

    8.159748.3832235723

    8.159748.3832235723

    8.068.3832235723

    8.068.3832235723

    7.928.3832235723

    7.928.3832235723

    8.3406948.3832235723

    8.3406948.3832235723

    8.3406948.3832235723

    8.541368.3832235723

    8.541368.3832235723

    8.361248.3832235723

    8.361248.3832235723

    8.368.3832235723

    8.368.3832235723

    8.368.3832235723

    8.4501958.3832235723

    8.4501958.3832235723

    8.61038.3832235723

    8.61038.3832235723

    8.4705868.3832235723

    8.4705868.3832235723

    8.4705868.3832235723

    8.225258.3832235723

    8.225258.3832235723

    8.225258.3832235723

    8.225258.3832235723

    7.838.3832235723

    7.838.3832235723

    7.838.3832235723

    7.648.3832235723

    7.648.3832235723

    8.218.3832235723

    8.218.3832235723

    8.203448.3832235723

    8.203448.3832235723

    8.203448.3832235723

    8.0403118.3832235723

    8.0403118.3832235723

    8.0403118.3832235723

    8.0403118.3832235723

    9.421998.3832235723

    9.421998.3832235723

    9.421998.3832235723

    8.84378.3832235723

    8.84378.3832235723

    8.4104728.3832235723

    8.4104728.3832235723

    9.0101858.3832235723

    9.0101858.3832235723

    9.0101858.3832235723

    8.324088.3832235723

    8.324088.3832235723

    8.224088.3832235723

    8.734088.3832235723

    8.734088.3832235723

    8.734088.3832235723

    8.734088.3832235723

    7.866878.3832235723

    7.866878.3832235723

    7.376878.3832235723

    9.356878.3832235723

    9.356878.3832235723

    9.356878.3832235723

    8.186878.3832235723

    8.186878.3832235723

    8.83348.3832235723

    6.82348.3832235723

    6.82348.3832235723

    6.82348.3832235723

    6.82348.3832235723

    6.82348.3832235723

    7.358.3832235723

    9.398.3832235723

    9.398.3832235723

    8.228.3832235723

    8.228.3832235723

    8.228.3832235723

    4.598.3832235723

    4.598.3832235723

    7.398348.3832235723

    5.988348.3832235723

    6.518348.3832235723

    5.688348.3832235723

    5.688348.3832235723

    5.688348.3832235723

    5.09748.3832235723

    7.16748.3832235723

    7.37748.3832235723

    6.37748.3832235723

    7.02748.3832235723

    7.02748.3832235723

    7.02748.3832235723

    8.0305598.3832235723

    8.580558.3832235723

    7.9105528.3832235723

    7.8705528.3832235723

    7.0605528.3832235723

    7.0605528.3832235723

    7.0605528.3832235723

    7.17638.3832235723

    7.17638.3832235723

    5.904238.3832235723

    5.904238.3832235723

    5.560218.3832235723

    5.560218.3832235723

    5.560218.3832235723

    6.532478.3832235723

    6.532478.3832235723

    8.06148.3832235723

    8.06148.3832235723

    7.2906998.3832235723

    7.2906998.3832235723

    7.2906998.3832235723

    7.2906998.3832235723

    7.2703328.3832235723

    7.272058.3832235723

    7.272058.3832235723

    10.7005518.3832235723

    10.7005518.3832235723

    10.7005518.3832235723

    10.7005518.3832235723

    10.701018.3832235723

    10.701018.3832235723

    10.600598.3832235723

    10.600598.3832235723

    10.600598.3832235723

    10.600598.3832235723

    10.68.3832235723

    238.41319444448.3832235723

    10.68.3832235723

    239.59722222228.3832235723

    10.600598.3832235723

    10.600598.3832235723

    10.600598.3832235723

    10.600598.3832235723

    10.600598.3832235723

    9.99968.3832235723

    9.99968.3832235723

    7.767648.3832235723

    8.54248.3832235723

    7.97398.3832235723

    7.97398.3832235723

    7.97398.3832235723

    7.97398.3832235723

    7.089218.3832235723

    7.563998.3832235723

    7.563998.3832235723

    7.563998.3832235723

    7.563998.3832235723

    7.563998.3832235723

    7.563998.3832235723

    7.563998.3832235723

    8.22198.3832235723

    8.22198.3832235723

    7.95738.3832235723

    7.95738.3832235723

    7.95738.3832235723

    7.95738.3832235723

    7.95738.3832235723

    7.55228.3832235723

    7.55228.3832235723

    10.04728.3832235723

    10.04728.3832235723

    10.04728.3832235723

    10.04728.3832235723

    10.04728.3832235723

    7.6038.3832235723

    7.6038.3832235723

    9.83518.3832235723

    9.83518.3832235723

    9.83518.3832235723

    9.83518.3832235723

    9.83518.3832235723

    8.342428.3832235723

    8.342428.3832235723

    9.97358.3832235723

    9.97358.3832235723

    9.97358.3832235723

    7.792228.3832235723

    7.792228.3832235723

    9.712098.3832235723

    9.712098.3832235723

    7.912248.3832235723

    7.912248.3832235723

    7.912248.3832235723

    11.22338.3832235723

    11.22338.3832235723

    9.94038.3832235723

    9.94038.3832235723

    6.5518.3832235723

    6.5518.3832235723

    6.5518.3832235723

    10.501048.3832235723

    10.501048.3832235723

    10.501048.3832235723

    9.3705488.3832235723

    9.213078.3832235723

    9.213078.3832235723

    9.213078.3832235723

    9.213078.3832235723

    8.76518.3832235723

    9.09338.3832235723

    9.229968.3832235723

    9.229968.3832235723

    9.229968.3832235723

    9.229968.3832235723

    9.229968.3832235723

    8.6518.3832235723

    8.6518.3832235723

    8.8205818.3832235723

    8.5803768.3832235723

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    8.5803768.3832235723

    8.8088.3832235723

    8.7705478.3832235723

    8.435028.3832235723

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    8.435028.3832235723

    9.022438.3832235723

    9.022438.3832235723

    9.031128.3832235723

    9.031128.3832235723

    8.9509058.3832235723

    8.9509058.3832235723

    8.9509058.3832235723

    9.715178.3832235723

    9.715178.3832235723

    9.715178.3832235723

    9.07648.3832235723

    9.451658.3832235723

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    9.451658.3832235723

    9.82598.3832235723

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    8.68568.3832235723

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    8.68568.3832235723

    8.00758.3832235723

    8.34798.3832235723

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    8.62568.3832235723

    9.242978.3832235723

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    8.25568.3832235723

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    9.10188.3832235723

    8.631278.3832235723

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    9.431468.3832235723

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    9.431468.3832235723

    7.027178.3832235723

    7.487178.3832235723

    7.487178.3832235723

    7.487178.3832235723

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    7.487178.3832235723

    8.28988.3832235723

    8.454048.3832235723

    7.6503098.3832235723

    7.6503098.3832235723

    7.6503098.3832235723

    6.203628.3832235723

    6.203628.3832235723

    5.503398.3832235723

    5.503398.3832235723

    6.8002168.3832235723

    6.8002168.3832235723

    6.8002168.3832235723

    6.8002168.3832235723

    7.371988.3832235723

    7.862938.3832235723

    7.622938.3832235723

    7.622938.3832235723

    7.622678.3832235723

    7.622678.3832235723

    7.392668.3832235723

    7.392668.3832235723

    6.807148.3832235723

    6.807148.3832235723

    6.7503348.3832235723

    6.7503348.3832235723

    6.7503348.3832235723

    6.088288.3832235723

    8.3832235723

    21cyc (before CF installation)

    22cyc (after CF installation)

    21cyc Average

    22cyc Average

    Number of days elapsed since reactor start-up

    Iron concentration / ppb

    Graph1 (2)

    008.38322357230.9990045161

    8.1328.8188.38322357230.9990045161

    8.13212.478.38322357230.9990045161

    8.13212.478.38322357230.9990045161

    11.58212.478.38322357230.9990045161

    12.34511.21498.38322357230.9990045161

    12.34510.84118.38322357230.9990045161

    12.34510.84118.38322357230.9990045161

    12.34510.82278.38322357230.9990045161

    11.74510.82278.38322357230.9990045161

    10.64510.82278.38322357230.9990045161

    10.64510.82278.38322357230.9990045161

    9.101660.30798.38322357230.9990045161

    9.101660.30798.38322357230.9990045161

    16.3751.0518.38322357230.9990045161

    8.830.28778.38322357230.9990045161

    8.831660.2188.38322357230.9990045161

    8.831660.2188.38322357230.9990045161

    9.451660.2188.38322357230.9990045161

    9.451660.26978.38322357230.9990045161

    7.88280.16558.38322357230.9990045161

    7.88280.55068.38322357230.9990045161

    7.50280.41238.38322357230.9990045161

    7.460.16158.38322357230.9990045161

    24.40972222220.16158.38322357230.9990045161

    7.99280.16158.38322357230.9990045161

    7.99280.28758.38322357230.9990045161

    7.99280.18358.38322357230.9990045161

    8.134370.15398.38322357230.9990045161

    8.134370.13628.38322357230.9990045161

    7.304370.1298.38322357230.9990045161

    7.304370.1298.38322357230.9990045161

    7.824370.1298.38322357230.9990045161

    7.824370.1298.38322357230.9990045161

    7.824370.1298.38322357230.9990045161

    8.07040.1298.38322357230.9990045161

    8.07040.9278.38322357230.9990045161

    8.07040.143858.38322357230.9990045161

    7.83040.076318.38322357230.9990045161

    7.41040.093428.38322357230.9990045161

    7.41040.1598.38322357230.9990045161

    7.41040.1598.38322357230.9990045161

    8.83001040.07858.38322357230.9990045161

    8.83001040.07858.38322357230.9990045161

    7.8807390.08578.38322357230.9990045161

    7.8807390.08578.38322357230.9990045161

    8.60.08578.38322357230.9990045161

    8.60.13118.38322357230.9990045161

    8.60.096128.38322357230.9990045161

    9.17390.059948.38322357230.9990045161

    9.17390.20718.38322357230.9990045161

    9.17390.072858.38322357230.9990045161

    8.33040.072858.38322357230.9990045161

    9.275720.072858.38322357230.9990045161

    9.275720.12988.38322357230.9990045161

    9.275720.12058.38322357230.9990045161

    8.90.085138.38322357230.9990045161

    8.90.13488.38322357230.9990045161

    8.310.056768.38322357230.9990045161

    8.310.056768.38322357230.9990045161

    7.5906580.056768.38322357230.9990045161

    7.5906580.052588.38322357230.9990045161

    7.5906580.11768.38322357230.9990045161

    8.098.38322357230.9990045161

    8.098.3832235723

    8.918.3832235723

    8.918.3832235723

    7.751498.3832235723

    7.751498.3832235723

    7.751498.3832235723

    9.254658.3832235723

    9.254658.3832235723

    9.10228.3832235723

    9.55128.3832235723

    9.55128.3832235723

    9.55128.3832235723

    9.55128.3832235723

    9.55128.3832235723

    7.78.3832235723

    8.421428.3832235723

    8.421428.3832235723

    8.0708398.3832235723

    8.0708398.3832235723

    8.0708398.3832235723

    7.898.3832235723

    7.898.3832235723

    8.09002428.3832235723

    8.09002428.3832235723

    7.3109148.3832235723

    7.3109148.3832235723

    7.3109148.3832235723

    7.329168.3832235723

    7.329168.3832235723

    8.448.3832235723

    8.448.3832235723

    7.672068.3832235723

    7.672068.3832235723

    7.672068.3832235723

    7.672068.3832235723

    7.903158.3832235723

    8.99438.3832235723

    8.99438.3832235723

    8.301078.3832235723

    8.301078.3832235723

    8.301078.3832235723

    8.301078.3832235723

    8.301078.3832235723

    8.992588.3832235723

    8.992588.3832235723

    8.159748.3832235723

    8.159748.3832235723

    8.159748.3832235723

    8.068.3832235723

    8.068.3832235723

    7.928.3832235723

    7.928.3832235723

    8.3406948.3832235723

    8.3406948.3832235723

    8.3406948.3832235723

    8.541368.3832235723

    8.541368.3832235723

    8.361248.3832235723

    8.361248.3832235723

    8.368.3832235723

    8.368.3832235723

    8.368.3832235723

    8.4501958.3832235723

    8.4501958.3832235723

    8.61038.3832235723

    8.61038.3832235723

    8.4705868.3832235723

    8.4705868.3832235723

    8.4705868.3832235723

    8.225258.3832235723

    8.225258.3832235723

    8.225258.3832235723

    8.225258.3832235723

    7.838.3832235723

    7.838.3832235723

    7.838.3832235723

    7.648.3832235723

    7.648.3832235723

    8.218.3832235723

    8.218.3832235723

    8.203448.3832235723

    8.203448.3832235723

    8.203448.3832235723

    8.0403118.3832235723

    8.0403118.3832235723

    8.0403118.3832235723

    8.0403118.3832235723

    9.421998.3832235723

    9.421998.3832235723

    9.421998.3832235723

    8.84378.3832235723

    8.84378.3832235723

    8.4104728.3832235723

    8.4104728.3832235723

    9.0101858.3832235723

    9.0101858.3832235723

    9.0101858.3832235723

    8.324088.3832235723

    8.324088.3832235723

    8.224088.3832235723

    8.734088.3832235723

    8.734088.3832235723

    8.734088.3832235723

    8.734088.3832235723

    7.866878.3832235723

    7.866878.3832235723

    7.376878.3832235723

    9.356878.3832235723

    9.356878.3832235723

    9.356878.3832235723

    8.186878.3832235723

    8.186878.3832235723

    8.83348.3832235723

    6.82348.3832235723

    6.82348.3832235723

    6.82348.3832235723

    6.82348.3832235723

    6.82348.3832235723

    7.358.3832235723

    9.398.3832235723

    9.398.3832235723

    8.228.3832235723

    8.228.3832235723

    8.228.3832235723

    4.598.3832235723

    4.598.3832235723

    7.398348.3832235723

    5.988348.3832235723

    6.518348.3832235723

    5.688348.3832235723

    5.688348.3832235723

    5.688348.3832235723

    5.09748.3832235723

    7.16748.3832235723

    7.37748.3832235723

    6.37748.3832235723

    7.02748.3832235723

    7.02748.3832235723

    7.02748.3832235723

    8.0305598.3832235723

    8.580558.3832235723

    7.9105528.3832235723

    7.8705528.3832235723

    7.0605528.3832235723

    7.0605528.3832235723

    7.0605528.3832235723

    7.17638.3832235723

    7.17638.3832235723

    5.904238.3832235723

    5.904238.3832235723

    5.560218.3832235723

    5.560218.3832235723

    5.560218.3832235723

    6.532478.3832235723

    6.532478.3832235723

    8.06148.3832235723

    8.06148.3832235723

    7.2906998.3832235723

    7.2906998.3832235723

    7.2906998.3832235723

    7.2906998.3832235723

    7.2703328.3832235723

    7.272058.3832235723

    7.272058.3832235723

    10.7005518.3832235723

    10.7005518.3832235723

    10.7005518.3832235723

    10.7005518.3832235723

    10.701018.3832235723

    10.701018.3832235723

    10.600598.3832235723

    10.600598.3832235723

    10.600598.3832235723

    10.600598.3832235723

    10.68.3832235723

    238.41319444448.3832235723

    10.68.3832235723

    239.59722222228.3832235723

    10.600598.3832235723

    10.600598.3832235723

    10.600598.3832235723

    10.600598.3832235723

    10.600598.3832235723

    9.99968.3832235723

    9.99968.3832235723

    7.767648.3832235723

    8.54248.3832235723

    7.97398.3832235723

    7.97398.3832235723

    7.97398.3832235723

    7.97398.3832235723

    7.089218.3832235723

    7.563998.3832235723

    7.563998.3832235723

    7.563998.3832235723

    7.563998.3832235723

    7.563998.3832235723

    7.563998.3832235723

    7.563998.3832235723

    8.22198.3832235723

    8.22198.3832235723

    7.95738.3832235723

    7.95738.3832235723

    7.95738.3832235723

    7.95738.3832235723

    7.95738.3832235723

    7.55228.3832235723

    7.55228.3832235723

    10.04728.3832235723

    10.04728.3832235723

    10.04728.3832235723

    10.04728.3832235723

    10.04728.3832235723

    7.6038.3832235723

    7.6038.3832235723

    9.83518.3832235723

    9.83518.3832235723

    9.83518.3832235723

    9.83518.3832235723

    9.83518.3832235723

    8.342428.3832235723

    8.342428.3832235723

    9.97358.3832235723

    9.97358.3832235723

    9.97358.3832235723

    7.792228.3832235723

    7.792228.3832235723

    9.712098.3832235723

    9.712098.3832235723

    7.912248.3832235723

    7.912248.3832235723

    7.912248.3832235723

    11.22338.3832235723

    11.22338.3832235723

    9.94038.3832235723

    9.94038.3832235723

    6.5518.3832235723

    6.5518.3832235723

    6.5518.3832235723

    10.501048.3832235723

    10.501048.3832235723

    10.501048.3832235723

    9.3705488.3832235723

    9.213078.3832235723

    9.213078.3832235723

    9.213078.3832235723

    9.213078.3832235723

    8.76518.3832235723

    9.09338.3832235723

    9.229968.3832235723

    9.229968.3832235723

    9.229968.3832235723

    9.229968.3832235723

    9.229968.3832235723

    8.6518.3832235723

    8.6518.3832235723

    8.8205818.3832235723

    8.5803768.3832235723

    8.5803768.3832235723

    8.5803768.3832235723

    8.5803768.3832235723

    8.5803768.3832235723

    8.8088.3832235723

    8.7705478.3832235723

    8.435028.3832235723

    8.435028.3832235723

    8.435028.3832235723

    9.022438.3832235723

    9.022438.3832235723

    9.031128.3832235723

    9.031128.3832235723

    8.9509058.3832235723

    8.9509058.3832235723

    8.9509058.3832235723

    9.715178.3832235723

    9.715178.3832235723

    9.715178.3832235723

    9.07648.3832235723

    9.451658.3832235723

    9.451658.3832235723

    9.451658.3832235723

    9.451658.3832235723

    9.82598.3832235723

    9.82598.3832235723

    8.68568.3832235723

    8.68568.3832235723

    8.68568.3832235723

    8.00758.3832235723

    8.34798.3832235723

    8.34798.3832235723

    8.34798.3832235723

    8.62568.3832235723

    9.242978.3832235723

    9.242978.3832235723

    9.242978.3832235723

    9.242978.3832235723

    8.25568.3832235723

    8.25568.3832235723

    9.10188.3832235723

    8.631278.3832235723

    8.631278.3832235723

    8.631278.3832235723

    9.431468.3832235723

    9.431468.3832235723

    9.431468.3832235723

    7.027178.3832235723

    7.487178.3832235723

    7.487178.3832235723

    7.487178.3832235723

    7.487178.3832235723

    7.487178.3832235723

    8.28988.3832235723

    8.454048.3832235723

    7.6503098.3832235723

    7.6503098.3832235723

    7.6503098.3832235723

    6.203628.3832235723

    6.203628.3832235723

    5.503398.3832235723

    5.503398.3832235723

    6.8002168.3832235723

    6.8002168.3832235723

    6.8002168.3832235723

    6.8002168.3832235723

    7.371988.3832235723

    7.862938.3832235723

    7.622938.3832235723

    7.622938.3832235723

    7.622678.3832235723

    7.622678.3832235723

    7.392668.3832235723

    7.392668.3832235723

    6.807148.3832235723

    6.807148.3832235723

    6.7503348.3832235723

    6.7503348.3832235723

    6.7503348.3832235723

    6.088288.3832235723

    8.3832235723

    21cyc (before CF installation)

    22cyc (after CF installation)

    21cyc Average

    22cyc Average

    Number of days elapsed since reactor start-up

    Iron Concentration / ppb

    Average8.38322357238.36778337530.00359921660.01031687660.00266632720.00032086320.01555908870.00341774810.02101130980.00518900910.0006356594

    CR

    2/4/08 / 6 / + / / 6 / + / / 6 / / / 6 / / / 6 / / / 6 / / / 6 / / / 6 / / / 6 / / / 6 / / / 6 / / / 6 / /

    CRFeFeFe averageFeFeFe averageCuCuNiNiCrCrCoCoFeFeCuCuNiNiCrCrCoCo

    ppbppbppbppbppbppbppbppbppbppbppb

    02/4/08 0:008.38322357238.3677833753

    42/7/08 16:308.1328.38322357237.958.367783375300.15000.18200.1080.02780

    42/8/08 9:008.1328.38322357237.958.367783375300.15000.18200.1080.02780

    52/9/08 9:008.1328.38322357237.958.367783375300.15000.18200.1080.02780

    72/10/08 12:5011.5828.383223572311.48.36778337530.007650.007380.001790.0004990.18200.1080.02780

    82/11/08 15:0012.34518.383223572312.38.36778337530.01090.01040.004760.0005990.04510.03050.03910.01630

    82/12/08 9:0012.34518.383223572312.38.36778337530.01090.01040.004760.0005990.04510.03050.03910.01630

    92/13/08 9:0012.34518.383223572312.38.36778337530.01090.01040.004760.0005990.04510.03050.03910.01630

    102/14/08 9:0012.34518.383223572312.38.36778337530.01090.01040.004760.0005990.04510.03050.03910.01630

    112/15/08 9:2011.74518.383223572311.78.36778337530.01050.00722000.04510.03050.03910.01630

    122/16/08 9:2010.64518.383223572310.68.36778337530.008640.00736000.04510.03050.03910.01630

    132/17/08 9:0010.64518.383223572310.68.36778337530.008640.00736000.04510.03050.03910.01630

    142/18/08 9:409.101668.38322357239.18.36778337530.008280.00536000.001660.006910.03070.001760

    152/19/08 9:009.101668.38322357239.18.36778337530.008280.00536000.001660.006910.03070.001760

    162/20/08 9:008.38322357238.36778337530.001660.006910.03070.001760

    162/20/08 9:408.838.38322357238.838.36778337530.006670.0063200

    172/21/08 9:008.831668.38322357238.838.36778337530.006670.00632000.001660.006910.03070.001760

    182/22/08 9:008.831668.38322357238.838.36778337530.006670.00632000.001660.006910.03070.001760

    192/23/08 9:009.451668.38322357239.458.36778337530.007590.00534000.001660.006910.03070.001760

    202/24/08 9:009.451668.38322357239.458.36778337530.007590.00534000.001660.006910.03070.001760

    212/25/08 9:507.88288.38322357237.848.36778337530.005860.00805000.04280.005720.03440.002670

    222/26/08 9:007.88288.38322357237.848.36778337530.005860.00805000.04280.005720.03440.002670

    232/27/08 9:557.50288.38322357237.468.36778337530.004260.00436000.04280.005720.03440.002670

    242/28/08 9:007.468.38322357237.468.36778337530.004260.0043600

    242/28/08 9:508.38322357238.36778337530.04280.005720.03440.002670

    252/29/08 9:507.99288.38322357237.958.36778337530.006730.008910.003540.0006670.04280.005720.03440.002670

    263/1/08 9:007.99288.38322357237.958.36778337530.006730.008910.003540.0006670.04280.005720.03440.002670

    273/2/08 9:007.99288.38322357237.958.36778337530.006730.008910.003540.0006670.04280.005720.03440.002670

    283/3/08 9:508.134378.38322357238.138.36778337530.005550.00696000.004370.002550.02780.003010

    293/4/08 9:008.134378.38322357238.138.36778337530.005550.00696000.004370.002550.02780.003010

    303/5/08 9:257.304378.38322357237.38.36778337530.004020.00594000.004370.002550.02780.003010

    313/6/08 9:007.304378.38322357237.38.36778337530.004020.00594000.004370.002550.02780.003010

    323/7/08 9:257.824378.38322357237.828.36778337530.0050.00790.002120.0007490.004370.002550.02780.003010

    333/8/08 9:007.824378.38322357237.828.36778337530.0050.00790.002120.0007490.004370.002550.02780.003010

    343/9/08 9:007.824378.38322357237.828.36778337530.0050.00790.002120.0007490.004370.002550.02780.003010

    353/10/08 9:508.07048.38322357238.068.36778337530.004170.00707000.01040.001280.02659.00E-050

    363/11/08 9:008.07048.38322357238.068.36778337530.004170.00707000.01040.001280.02659.00E-050

    373/12/08 9:008.07048.38322357238.068.36778337530.004170.00707000.01040.001280.02659.00E-050

    383/13/08 9:107.83048.38322357237.828.36778337530.003460.00533000.01040.001280.02659.00E-050

    393/14/08 9:407.41048.38322357237.48.36778337530.004470.006470.002290.0004310.01040.001280.02659.00E-050

    403/15/08 9:007.41048.38322357237.48.36778337530.004470.006470.002290.0004310.01040.001280.02659.00E-050

    413/16/08 9:007.41048.38322357237.48.36778337530.004470.006470.002290.0004310.01040.001280.02659.00E-050

    423/17/08 9:208.83001048.38322357238.838.36778337530.004550.007360.00130.0005851.04E-050.001570.02480.0005330

    433/18/08 9:008.83001048.38322357238.838.36778337530.004550.007360.00130.0005851.04E-050.001570.02480.0005330

    443/19/08 9:157.8807398.38322357237.888.36778337530.004180.0066700.0001650.0007390.001780.02540.0010

    453/20/08 9:007.8807398.38322357237.888.36778337530.004180.0066700.0001650.0007390.001780.02540.0010

    463/21/08 9:208.68.38322357238.68.36778337530.004930.008150.003670.00083900.0009260.02054.64E-053.83E-05

    473/22/08 9:008.68.38322357238.68.36778337530.004930.008150.003670.00083900.0009260.02054.64E-053.83E-05

    483/23/08 9:008.68.38322357238.68.36778337530.004930.008150.003670.00083900.0009260.02054.64E-053.83E-05

    493/24/08 9:159.17398.38322357239.158.36778337530.005170.009650.001410.0004620.02390.00540.02270.01010

    503/25/08 9:009.17398.38322357239.158.36778337530.005170.009650.001410.0004620.02390.00540.02270.01010

    513/26/08 9:009.17398.38322357239.158.36778337530.005170.009650.001410.0004620.02390.00540.02270.01010

    533/27/08 15:108.33048.38322357238.328.36778337530.003190.00634000.01040.00120.02710.001430

    533/28/08 9:309.275728.38322357239.278.36778337530.004830.01060.003330.000810.005720.001630.02060.0004530

    543/29/08 9:009.275728.38322357239.278.36778337530.004830.01060.003330.000810.005720.001630.02060.0004530

    553/30/08 9:009.275728.38322357239.278.36778337530.004830.01060.003330.000810.005720.001630.02060.0004530

    563/31/08 9:408.98.38322357238.98.36778337530.004390.0095500.00011500.0006020.019800

    574/1/08 9:008.98.38322357238.98.36778337530.004390.0095500.00011500.0006020.019800

    584/2/08 9:408.318.38322357238.318.36778337530.004120.0070100.00024300.001060.02080.002830

    594/3/08 9:008.318.38322357238.318.36778337530.004120.0070100.00024300.001060.02080.002830

    604/4/08 9:557.5906588.38322357237.598.36778337530.003710.006180.003210.0004940.0006580.001080.022701.68E-05

    614/5/08 9:007.5906588.38322357237.598.36778337530.003710.006180.003210.0004940.0006580.001080.022701.68E-05

    624/6/08 9:007.5906588.38322357237.598.36778337530.003710.006180.003210.0004940.0006580.001080.022701.68E-05

    634/7/08 9:408.098.38322357238.098.36778337530.003880.0064200.00010400.0010.02080.000640

    644/8/08 9:008.098.38322357238.098.36778337530.003880.0064200.00010400.0010.02080.000640

    654/9/08 9:208.918.38322357238.918.36778337530.004030.007660.001850.00045600.001350.02210.001330

    664/10/08 9:008.918.38322357238.918.36778337530.004030.007660.001850.00045600.001350.02210.001330

    674/11/08 9:257.751498.38322357237.758.36778337530.004350.007620.00842.56E-050.001490.0006650.018807.36E-05

    684/12/08 9:007.751498.38322357237.758.36778337530.004350.007620.00842.56E-050.001490.0006650.018807.36E-05

    694/13/08 9:007.751498.38322357237.758.36778337530.004350.007620.00842.56E-050.001490.0006650.018807.36E-05

    704/14/08 9:409.254658.38322357239.258.36778337530.004040.008420.010400.004650.0003460.01930.007580

    714/15/08 9:009.254658.38322357239.258.36778337530.004040.008420.010400.004650.0003460.01930.007580

    724/16/08 9:209.10228.38322357239.098.36778337530.003640.00740.01400.01220.0009130.02340.005540

    734/17/08 11:209.55128.38322357239.548.36778337530.003930.006860.016500.01120.001920.02490.02110

    744/18/08 9:009.55128.38322357239.548.36778337530.003930.006860.016500.01120.001920.02490.02110

    754/19/08 9:009.55128.38322357239.548.36778337530.003930.006860.016500.01120.001920.02490.02110

    764/20/08 9:009.55128.38322357239.548.36778337530.003930.006860.016500.01120.001920.02490.02110

    774/21/08 9:009.55128.38322357239.548.36778337530.003930.006860.016500.01120.001920.02490.02110

    784/22/08 9:357.78.38322357237.78.36778337530.003480.00570.0149000.001150.022700

    794/23/08 9:258.421428.38322357238.428.36778337530.003450.006450.014600.001420.0005940.019900

    804/24/08 9:008.421428.38322357238.428.36778337530.003450.006450.014600.001420.0005940.019900

    814/25/08 9:308.0708398.38322357238.078.36778337530.004120.006580.0090300.0008390.001260.02030.001080

    824/26/08 9:008.0708398.38322357238.078.36778337530.004120.006580.0090300.0008390.001260.02030.001080

    834/27/08 9:008.0708398.38322357238.078.36778337530.004120.006580.0090300.0008390.001260.02030.001080

    844/28/08 9:307.898.38322357237.898.36778337530.003560.00560.00742000.00130.02161.57E-050

    854/29/08 9:007.898.38322357237.898.36778337530.003560.00560.00742000.00130.02161.57E-050

    864/30/08 9:308.09002428.38322357238.098.36778337530.003840.006980.007502.42E-050.0009440.02020.002530

    875/1/08 9:008.09002428.38322357238.098.36778337530.003840.006980.007502.42E-050.0009440.02020.002530

    885/2/08 9:307.3109148.38322357237.318.36778337530.003850.005990.0078700.0009140.0007660.01790.0007433.69E-05

    895/3/08 9:007.3109148.38322357237.318.36778337530.003850.005990.0078700.0009140.0007660.01790.0007433.69E-05

    905/4/08 9:007.3109148.38322357237.318.36778337530.003850.005990.0078700.0009140.0007660.01790.0007433.69E-05

    915/5/08 11:357.329168.38322357237.328.36778337530.003270.004950.0081400.009160.001280.02020.001620

    925/6/08 9:007.329168.38322357237.328.36778337530.003270.004950.0081400.009160.001280.02020.001620

    935/7/08 9:208.448.38322357238.448.36778337530.003660.005910.00924000.00110.01890.0007580

    945/8/08 9:008.448.38322357238.448.36778337530.003660.005910.00924000.00110.01890.0007580

    955/9/08 9:257.672068.38322357237.678.36778337530.003540.006120.008410.0001010.002060.0009470.01760.0001170

    965/10/08 9:007.672068.38322357237.678.36778337530.003540.006120.008410.0001010.002060.0009470.01760.0001170

    975/11/08 9:007.672068.38322357237.678.36778337530.003540.006120.008410.0001010.002060.0009470.01760.0001170

    985/12/08 9:007.672068.38322357237.678.36778337530.003540.006120.008410.0001010.002060.0009470.01760.0001170

    995/13/08 9:507.903158.38322357237.98.36778337530.002660.005370.0146


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