Radiation concentrations measured at themulti-nuclide removal equipment (ALPS) outlet（as of June 30, 2024）

無断複製・転載禁止 東京電力ホールディングス株式会社

0Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Cesium-137 concentration)- - Regulatory concentration limit (90 Bq/L)

Existing ALPS (Cesium-137)
Cesium-137 Concentration (Bq/L)

100,000
10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30- - Regulatory concentration limit (90 Bq/L)

Additionally installed ALPS (Cesium-137)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1

1,000,000

Cesium-137 Concentration (Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

1,000,000△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

100,000
10,000
1,000
100
10

1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

1

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Cesium-137 concentration)

Cesium-137 Concentration (Bq/L)

1,000,000

High-performance ALPS (Cesium-137)- - Regulatory concentration limit (90 Bq/L)〇 Prior to treatment (ND) ※1● Prior to treatment■ Equipment outlet□ Equipment outlet (ND) ※1

100,000
10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

2

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Cesium-134 concentration)- - Regulatory concentration limit (60 Bq/L)

Existing ALPS (Cesium-134)
Cesium-134 Concetration (Bq/L)

100,000
10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30- - Regulatory concentration limit (60 Bq/L)

Additionally installed ALPS (Cesium-134)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

1,000,000

Cesium-134 Concentration (Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

1,000,000

100,000
10,000
1,000
100
10

1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

3

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Cesium-134 concentration)

Cesium-134 Concentration (Bq/L)

1,000,000

High-performance ALPS (Cesium-134)- - Regulatory concentration limit (60 Bq/L)〇 Prior to treatment (ND) ※1□ Equipment outlet (ND) ※1

100,000● Prior to treatment■ Equipment outlet

10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

4Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Strontium-90 concentration)- - Regulatory concentration limit (30 Bq/L)

Existing ALPS (Strontium-90)

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30- - Regulatory concentration limit (30 Bq/L)

Additionally installed ALPS (Strontium-90)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

10,000,000,000

Strontium-90 Concentration (Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

Strontium-90 Concentration (Bq/L)

10,000,000,000
1,000,000,000
100,000,000
10,000,000
1,000,000
100,000
10,000
1,000
100
10
1
0.1
0.01
2013/4/1

1,000,000,000
100,000,000
10,000,000

1,000,000
100,000
10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

5

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Strontium-90 concentration)
High-performance ALPS (Strontium-90)- - Regulatory concentration limit (30 Bq/L)〇 Prior to treatment (ND) ※1● Prior to treatment

1,000,000,000□ Equipment outlet (ND) ※1■ Equipment outlet

Strontium-90 Concentration (Bq/L)

10,000,000,000
100,000,000

10,000,000
1,000,000
100,000
10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

6

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Cobalt-60 concentration)- - Regulatory concentration limit (200 Bq/L)

Existing ALPS (Cobalt-60)
Cobalt-60 Concentration (Bq/L)

10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30- - Regulatory concentration limit (200 Bq/L)

Additionally installed ALPS (Cobalt-60)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

100,000

Cobalt-60 Concentration (Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

100,000

10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

7

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Cobalt-60 concentration)

100,000

High-performance ALPS (Cobalt-60)- - Regulatory concentration limit (200 Bq/L)〇 Prior to treatment (ND) ※1● Prior to treatment■ Equipment outlet

Cobalt-60 Concentration (Bq/L)□ Equipment outlet (ND) ※1

10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

8

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Antimony-125 concentration)- - Regulatory concentration limit (800 Bq/L)

Existing ALPS (Antimony-125)
Antimony-125 Concentration (Bq/L)

100,000
10,000
1,000
100
10
1
0.1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30- - Regulatory concentration limit (800 Bq/L)

Additionally installed ALPS (Antimony-125)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

1,000,000

Antimony-125 Concentration (Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

1,000,000

100,000
10,000
1,000
100
10
1
0.1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

9Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Antimony-125 concentration)

Antimony-125 Concentration (Bq/L)

1,000,000

High-performance ALPS (Antimony-125)- - Regulatory concentration limit (800 Bq/L)〇 Prior to treatment (ND) ※1□ Equipment outlet (ND) ※1● Prior to treatment■ Equipment outlet

100,000
10,000
1,000
100
10
1
0.1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

10Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Ruthenium-106 concentration)- - Regulatory concentration limit (100 Bq/L)

Existing ALPS (Ruthenium-106)
Ruthenium-106 Concentration(Bq/L)

100,000
10,000
1,000
100
10
1
0.1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

Additionally installed ALPS (Ruthenium-106)
1,000,000

Ruthenium-106 Concentration(Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

1,000,000

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30- - Regulatory concentration limit (100 Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

100,000
10,000
1,000
100
10
1
0.1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

11

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Ruthenium-106 concentration)

Ruthenium-106 Concentration(Bq/L)

1,000,000- - Regulatory concentration limit (100 Bq/L)

High-performance ALPS (Ruthenium-106)〇 Prior to treatment (ND) ※1● Prior to treatment□ Equipment outlet (ND) ※1■ Equipment outlet

100,000
10,000
1,000
100
10
1
0.1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

12

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Iodine-129 concentration)- - Regulatory concentration limit (9 Bq/L)

Existing ALPS (Iodine-129)
Iodine-129 Concentration (Bq/L)

1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30- - Regulatory concentration limit (9 Bq/L)

Additionally installed ALPS (Iodine-129)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

100,000

Iodine-129 Concentration (Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

10,00010,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

13

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Iodine-129 concentration)

Iodine-129 Concentration (Bq/L)

10,000High-performance ALPS (Iodine-129)- - Regulatory concentration limit (9 Bq/L)〇 Prior to treatment (ND) ※1□ Equipment outlet (ND) ※1● Prior to treatment■ Equipment outlet

1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

14

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Gross β concentration)
Existing ALPS (Gross β)
Gross β Concentration (Bq/L)

10,000,000,000
1,000,000,000〇 Prior to treatment(ND) ※1□ Equipment outlet A(ND) ※1◆ Equipment outlet C◇ Equipment outlet C(ND) ※1△ Equipment outlet B(ND) ※1

100,000,000
10,000,000
1,000,000
100,000
10,000
1,000
100
10
1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

Additionally installed ALPS (Gross β)
10,000,000,000

Gross β Concentration (Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B

1,000,000,000

2019/12/30

2021/2/13

2022/3/31

2023/5/16● Prior to treatment■ Equipment outlet A▲ Equipment outlet B〇 Prior to treatment(ND) ※1□ Equipment outlet A(ND) ※1◆ Equipment outlet C◇ Equipment outlet C(ND) ※1

2024/6/30△ Equipment outlet B(ND) ※1

100,000,000
10,000,000
1,000,000
100,000
10,000
1,000
100
10
1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

15

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Gross β concentration)
High-performance ALPS (Gross β)

10,000,000,000● Prior to treatment〇 Prior to treatment (ND) ※1■ Equipment outlet□ Equipment outlet (ND) ※1

Gross β Concentration (Bq/L)

1,000,000,000

100,000,000
10,000,000
1,000,000
100,000
10,000
1,000
100
10
1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

16

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Manganese-54 concentration)- - Regulatory concentration limit (1,000 Bq/L)

Existing ALPS (Manganese-54)
Manganese-54 Concentration (Bq/L)

10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

Additionally installed ALPS (Manganese-54)
100,000

Manganese-54 Concentration (Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

100,000

10,0002019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30- - Regulatory concentration limit (1,000 Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

17

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Manganese-54 concentration)

Manganese-54 Concentration (Bq/L)

100,000

High-performance ALPS (Manganese-54)- - Regulatory concentration limit (1,000 Bq/L)〇 Prior to treatment (ND) ※1□ Equipment outlet (ND) ※1● Prior to treatment■ Equipment outlet

10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

18

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Strontium-89 concentration)- - Regulatory concentration limit (300 Bq/L)

Existing ALPS (Strontium-89)
Strontium-89 Concentration (Bq/L)

1,000,000
100,000
10,000
1,000
100
10
1
0.1
0.01
2013/4/1

10,000,000

Strontium-89 Concentration (Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

10,000,000

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30- - Regulatory concentration limit (300 Bq/L)

Additionally installed ALPS (Strontium-89)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

1,000,000
100,000
10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

19

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Strontium-89 concentration)

Strontium-89 Concentration (Bq/L)

10,000,000

High-performance ALPS (Strontium-89)- - Regulatory concentration limit (300 Bq/L)〇 Prior to treatment (ND) ※1□ Equipment outlet (ND) ※1● Prior to treatment■ Equipment outlet

1,000,000
100,000
10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

20

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Technetium-99 concentration)- - Regulatory concentration limit (1,000 Bq/L)

Existing ALPS (Technetium-99)
Technetium-99 Concentration (Bq/L)

1,000

100

10

1

0.1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

Additionally installed ALPS (Technetium-99)
10,000Technetium-99 Concentration (Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

10,0002019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30- - Regulatory concentration limit (1,000 Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

1,000

100

10

1

0.1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

21

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Technetium-99 concentration)
High-performance ALPS (Technetium-99)- - Regular concentration limit (1,000 Bq/L)

Technetium-99 Concentration (Bq/L)

10,000〇 Prior to treatment (ND) ※1□ Equipment outlet (ND) ※1● Prior to treatment■ Equipment outlet

1,000

100

10

1

0.1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

22

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Carbon-14 concentration)- - Regulatory concentration limit (2,000 Bq/L)

Existing ALPS (Carbon-14)
Carbon-14 Concentration (Bq/L)

1,000

100

10

1

0.1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30- - Regulatory concentration limit (2,000 Bq/L)

Additionally installed ALPS (Carbon-14)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

10,000Carbon-14 Concentraion (Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

10,000

1,000

100

10

1

0.1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

23

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Rhodium-106 concentration)- - Regulatory concentration limit (300,000 Bq/L)

Existing ALPS (Rhodium-106)〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

Rhodium-106 Concentration (Bq/L)

1,000,000
100,000
10,000
1,000
100
10
1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30- - Regulatory concentration limit (300,000 Bq/L)

Additionally installed ALPS (Rhodium-106)〇 Prior to treatment (ND) ※1□ Equipment outlet A (ND) ※1△ Equipment outlet B (ND) ※1◇ Equipment outlet C (ND) ※1

1,000,000

Rhodium-106 Concentration (Bq/L)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C

100,000
10,000
1,000
100

10
1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

24

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Rhodium-106 concentration)- - Regulatory concentration limit (300,000 Bq/L)

High-performance ALPS (Rhodium-106)〇 Prior to treatment (ND) ※1□ Equipment outlet (ND) ※1

Rhodium-106 Concentration (Bq/L)

1,000,000● Prior to treatment■ Equipment outlet

100,000
10,000
1,000
100
10
1
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

25

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Gross α concentration)
Existing ALPS (Gross α)● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C

Gross α Concentration (Bq/L)

10,000
1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

Additionally installed ALPS (Gross α)

2019/12/30

2021/2/13● Prior to treatment■ Equipment outlet A▲ Equipment outlet B◆ Equipment outlet C

10,000Gross α Concentration (Bq/L)〇 Prior to treatment(ND) ※1□ Equipment outlet A(ND) ※1△ Equipment outlet B(ND) ※1◇ Equipment outlet C(ND) ※1

2022/3/31

2023/5/16

2024/6/30〇 Prior to treatment(ND) ※1□ Equipment outlet A(ND) ※1△ Equipment outlet B(ND) ※1◇ Equipment outlet C(ND) ※1

1,000
100
10
1

0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

26

Radiation concentrations measured at the multi-nuclide removal equipment (ALPS) outlet(Gross α concentration)
High-performance ALPS (Gross α)● Prior to treatment■ Equipment outlet

Gross α Concentration (Bq/L)

10,000〇 Prior to treatment (ND) ※1□ Equipment outlet (ND) ※1

1,000
100
10
1
0.1
0.01
2013/4/1

2014/5/16

2015/7/1

2016/8/15

2017/9/30

2018/11/15

2019/12/30

2021/2/13

2022/3/31

2023/5/16

2024/6/30※ 1 “ND” means that concentrations were below detectable limits.

無断複製・転載禁止 東京電力ホールディングス株式会社

27

[Reference]
Tritium (H-3) concentration trends at desalination (RO) equipment inlets- - Regulatory concentration limit (60,000 Bq/L)【H-3】● Tritium（desalination (RO) equipment inlets)

10,000,000

Tritium Concentration (Bq/L)

1,000,000

100,000

10,0002011/3/1

2013/1/24

2014/12/21

2016/11/16

2018/10/12

2020/9/7

無断複製・転載禁止 東京電力ホールディングス株式会社

2022/8/4

2024/6/30

28