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Radioactivity Density of Seawater (Bq/cm3)
100


 10
                                                                                                              Co-58
                                                                                                              I-131
  1                                                                                                           I-132
                                                                                                              Cs-134
                                                                                                              Cs-136
 0.1                                                                                                          Cs-137



0.01
          8:40 March 28th          8:40 March 28th            9:35 March 28th            8:45 March 28th
       Around discharge canal   Around discharge canal     Around discharge canal     Around Iwasawa Coast,
        (north) of Fukushima     (south) of Fukushima    (north) of Fukushima Daini      Fukushima Daini
               Daiichi                  Daiichi
Radioactivity Density of Seawater around discharge canal (north) of Fukushima Daiichi (Bq/cm3)


                                                                                                                                   Co-58
1.0E+02
                                                                                                                                   I-131
                                                                                                                                   I-132
                                                                                                                                   Cs-134
                                                                                                                                   Cs-136
1.0E+01                                                                                                                            Cs-137


                                                                                                                                I-132 notice level
                                                                                                                                (3 0 Bq/cm3)

1.0E+00                                                                                                                         Co-58 notice level
                                                                                                                                (1.0 Bq/cm3)


                                                                                                                                Cs-136 notice level
                                                                                                                                (0.3 Bq/cm3)
                                                                                                                                Cs-137 notice level
1.0E-01                                                                                                                         (0.09 Bq/cm3)
                                                                                                                                Cs-134 notice level
                                                                                                                                (0.06 Bq/cm3)
                                                                                                                                I-131 notice level
                                                                                                                                (0.04 Bq/cm3)


1.0E-02




1.0E-03
    2011/3/23   2011/3/24          2011/3/25            2011/3/26           2011/3/27            2011/3/28          2011/3/29
Radioactivity Density of Seawater around discharge canal (south) of Fukushima Daiichi (Bq/cm3)

                                                                                                                                      Co-58
1.0E+02
                                                                                                                                      I-131
                                                                                                                                      I-132
                                                                                                                                      Cs-134
                                                                                                                                      Cs-136
1.0E+01                                                                                                                               Cs-137


                                                                                                                                  I-132 notice
                                                                                                                                  level
                                                                                                                                  (3.0 Bq/cm3)
1.0E+00                                                                                                                           Co-58 notice level
                                                                                                                                  (1.0 Bq/cm3)


                                                                                                                                  Cs-136 notice
                                                                                                                                  level
                                                                                                                                  (0.3 Bq/cm3)
                                                                                                                                  Cs-137 notice
1.0E-01                                                                                                                           level
                                                                                                                                  (0.09 Bq/cm3)
                                                                                                                                  Cs-134 notice
                                                                                                                                  level
                                                                                                                                  (0.06 notice level
                                                                                                                                  I-131 Bq/cm3)
                                                                                                                                  (0.04 Bq/cm3)


1.0E-02




1.0E-03
    2011/3/21   2011/3/22    2011/3/23      2011/3/24     2011/3/25      2011/3/26      2011/3/27     2011/3/28       2011/3/29
Radioactivity Density of Seawater around discharge canal (north) of Fukushima Daini (Bq/cm3)


1.0E+01




                                                                                                                         I-132 notice level
                                                                                                                         (3.0 Bq/cm3)

1.0E+00                                                                                                                  Co-58 notice
                                                                                                                         level
                                                                                                                         (1.0 Bq/cm3)

                                                                                                                         Cs-136 notice
                                                                                                                         level
                                                                                                                         (0.3 Bq/cm3)


                                                                                                                         Cs-137 notice
1.0E-01                                                                                                                  level
                                                                                                                         (0.09 Bq/cm3)
                                                                                                                         Cs-134 notice lev
                                                                                                                         el
                                                                                                                         (0.06 notice level
                                                                                                                         I-131 Bq/cm3)
                                                                                                                         (0.04 Bq/cm3)




1.0E-02                                                                                                                     Co-58
                                                                                                                            I-131
                                                                                                                            I-132
                                                                                                                            Cs-134
                                                                                                                            Cs-136
                                                                                                                            Cs-137
1.0E-03
          2011/3/21   2011/3/22     2011/3/23      2011/3/24      2011/3/25     2011/3/26      2011/3/27     2011/3/28
Radioactivity Density of Seawater around Iwasawa Coast, Fukushima Daini (Bq/cm3)


1.0E+01




                                                                                                                           I-132 notice level
                                                                                                                           (3.0 Bq/cm3)

1.0E+00                                                                                                                    Co-58 notice level
                                                                                                                           (1.0 Bq/cm3)


                                                                                                                           Cs-136 notice level
                                                                                                                           (0.3 Bq/cm3)



                                                                                                                           Cs-137 notice level
1.0E-01                                                                                                                    (0.09 Bq/cm3)
                                                                                                                           Cs-134 notice level
                                                                                                                           (0.06 Bq/cm3)
                                                                                                                           I-131 notice level
                                                                                                                           (0.04 Bq/cm3)



                                                                                                                             Co-58
1.0E-02
                                                                                                                             I-131
                                                                                                                             I-132
                                                                                                                             Cs-134
                                                                                                                             Cs-136
                                                                                                                             Cs-137

1.0E-03
          2011/3/21   2011/3/22    2011/3/23      2011/3/24      2011/3/25      2011/3/26      2011/3/27       2011/3/28

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  • 1. Radioactivity Density of Seawater (Bq/cm3) 100 10 Co-58 I-131 1 I-132 Cs-134 Cs-136 0.1 Cs-137 0.01 8:40 March 28th 8:40 March 28th 9:35 March 28th 8:45 March 28th Around discharge canal Around discharge canal Around discharge canal Around Iwasawa Coast, (north) of Fukushima (south) of Fukushima (north) of Fukushima Daini Fukushima Daini Daiichi Daiichi
  • 2. Radioactivity Density of Seawater around discharge canal (north) of Fukushima Daiichi (Bq/cm3) Co-58 1.0E+02 I-131 I-132 Cs-134 Cs-136 1.0E+01 Cs-137 I-132 notice level (3 0 Bq/cm3) 1.0E+00 Co-58 notice level (1.0 Bq/cm3) Cs-136 notice level (0.3 Bq/cm3) Cs-137 notice level 1.0E-01 (0.09 Bq/cm3) Cs-134 notice level (0.06 Bq/cm3) I-131 notice level (0.04 Bq/cm3) 1.0E-02 1.0E-03 2011/3/23 2011/3/24 2011/3/25 2011/3/26 2011/3/27 2011/3/28 2011/3/29
  • 3. Radioactivity Density of Seawater around discharge canal (south) of Fukushima Daiichi (Bq/cm3) Co-58 1.0E+02 I-131 I-132 Cs-134 Cs-136 1.0E+01 Cs-137 I-132 notice level (3.0 Bq/cm3) 1.0E+00 Co-58 notice level (1.0 Bq/cm3) Cs-136 notice level (0.3 Bq/cm3) Cs-137 notice 1.0E-01 level (0.09 Bq/cm3) Cs-134 notice level (0.06 notice level I-131 Bq/cm3) (0.04 Bq/cm3) 1.0E-02 1.0E-03 2011/3/21 2011/3/22 2011/3/23 2011/3/24 2011/3/25 2011/3/26 2011/3/27 2011/3/28 2011/3/29
  • 4. Radioactivity Density of Seawater around discharge canal (north) of Fukushima Daini (Bq/cm3) 1.0E+01 I-132 notice level (3.0 Bq/cm3) 1.0E+00 Co-58 notice level (1.0 Bq/cm3) Cs-136 notice level (0.3 Bq/cm3) Cs-137 notice 1.0E-01 level (0.09 Bq/cm3) Cs-134 notice lev el (0.06 notice level I-131 Bq/cm3) (0.04 Bq/cm3) 1.0E-02 Co-58 I-131 I-132 Cs-134 Cs-136 Cs-137 1.0E-03 2011/3/21 2011/3/22 2011/3/23 2011/3/24 2011/3/25 2011/3/26 2011/3/27 2011/3/28
  • 5. Radioactivity Density of Seawater around Iwasawa Coast, Fukushima Daini (Bq/cm3) 1.0E+01 I-132 notice level (3.0 Bq/cm3) 1.0E+00 Co-58 notice level (1.0 Bq/cm3) Cs-136 notice level (0.3 Bq/cm3) Cs-137 notice level 1.0E-01 (0.09 Bq/cm3) Cs-134 notice level (0.06 Bq/cm3) I-131 notice level (0.04 Bq/cm3) Co-58 1.0E-02 I-131 I-132 Cs-134 Cs-136 Cs-137 1.0E-03 2011/3/21 2011/3/22 2011/3/23 2011/3/24 2011/3/25 2011/3/26 2011/3/27 2011/3/28