Radioactivity Density of Seawater in the port of Fukushima Daiichi NPS 1/3. Inside north water intake canal of 1F's Units 1-4

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Claude Silas Greene
5 years ago
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1 Reference Radioactivity Density of Seawater in the port of Fukushima Daiichi NPS 1/3 (Data summarized on March 16) Place of Sampling Time of Sampling Detected Nuclides (Half-life) Shallow Draft Quay of 1F Inside north water intake canal of 1F's Units 1-4 N/A N/A 07:03 am 07:08 am 07:18 am 07:18 am Screen of 1F's Unit 1 (outside the silt fence) Screen of 1F's Unit 1 (inside the silt fence) Density limit by the announcement of Reactor Regulation (the density limit in the water outside of surrounding monitored areas in the section 6 of the appendix 2) (about 8 days) (about 2 years) (about 30 years) ND ND ND - ND * Density by the announcement of Reactor Regulation is stated with an amount converted from Bq/cm3 to Bq/L. * Data of other nuclides are under evaluation. * In the case that two or more kinds of nuclides exist, sum of each scaling factor to the density limit is compared with 1. * "ND" means the sampled data is below measurable limit. : approx. 1Bq/L Please note that these nuclides are sometimes detected even when they are below the limits, contingent on the detector or samples.

2 Reference Radioactivity Density of Seawater in the port of Fukushima Daiichi NPS 2/3 (Data summarized on March 16) Place of Sampling Time of Sampling Detected Nuclides (Half-life) Screen of 1F's Unit 2 (outside the silt fence) Screen of 1F's Unit 2 (inside the silt fence) 07:24 am 07:24 am Screen of 1F's Unit 3 (outside the silt fence) 07:29 am 07:32 am Screen of 1F's Unit 3 (inside the silt fence) Screen of 1F's Unit 4 (outside the silt fence) 07:29 am Screen of 1F's Unit 4 (inside the silt fence) 07:32 am Density limit by the announcement of Reactor Regulation (the density limit in the water outside of surrounding monitored areas in the section 6 of the appendix 2) (about 8 days) (about 2 years) (about 30 years) ND - ND - ND - ND - ND - ND * Density by the announcement of Reactor Regulation is stated with an amount converted from Bq/cm3 to Bq/L. * Data of other nuclides are under evaluation. * In the case that two or more kinds of nuclides exist, sum of each scaling factor to the density limit is compared with 1. * "ND" means the sampled data is below measurable limit. : approx. 12Bq/L Please note that these nuclides are sometimes detected even when they are below the limits, contingent on the detector or samples.

3 Reference Radioactivity Density of Seawater in the port of Fukushima Daiichi NPS 3/3 (Data summarized on March 16) Place of Sampling Detected Nuclides (Half-life) Inside the south of 1F's Units 1-4 Water Intake Canal Port entrance of Fukushima Daiichi NPS Time of Sampling N/A 07:37 am In front of the water intake canal of 1F's Unit 6 N/A Density limit by the announcement of Reactor Regulation (the density limit in the water outside of surrounding monitored areas in the section 6 of the appendix 2) (about 8 days) (about 2 years) (about 30 years) ND * Density by the announcement of Reactor Regulation is stated with an amount converted from Bq/cm3 to Bq/L. * Data of other nuclides are under evaluation. * In the case that two or more kinds of nuclides exist, sum of each scaling factor to the density limit is compared with 1. * "ND" means the sampled data is below measurable limit. : approx. 1Bq/L Please note that these nuclides are sometimes detected even when they are below the limits, contingent on the detector or samples.

4 Radioactivity Density of Seawater infront of Shallow Draft Quay of 1F (40Bq/L)

5 Radioactivity Density of Seawater at the North of Units 1 to 4 Water Intake of Fukushima Daiichi NPS (Bq/ L) (40Bq/L)

6 Radioactivity Density of Seawater at Screen of 1F's Unit 1 (outside the silt fence) (40Bq/L)

7 Radioactivity Density of Seawater at Screen of 1F's Unit 1 (inside the silt fence) (40Bq/L)

8 Radioactivity Density of Seawater at Screen of 1F's Unit 2 (outside the silt fence) Bq/L) (40Bq/L)

9 Radioactivity Density of Seawater at Screen of 1F's Unit 2 (inside the silt fence) (40Bq/L)

10 Radioactivity Density of Seawater at Screen of 1F's Unit 3 (outside the silt fence) (40Bq/L)

11 Radioactivity Density of Seawater at Screen of 1F's Unit 3 (inside the silt fence) (40Bq/L)

12 Radioactivity Density of Seawater at Screen of 1F's Unit 4 (outside the silt fence) (40Bq/L)

13 Radioactivity Density of Seawater at Screen of 1F's Unit 4 (inside the silt fence) (40Bq/L)

14 Radioactivity Density of Seawater at the South of Units 1-4 Water Intake of Fukushima Daiichi NPS (Bq/ L) (40Bq/L)

Information (10:00), July 3, 2018

Information (10:00), July 3, 2018 To All Missions (Embassies, Consular posts and International Organizations in Japan) Report on the discharge record and the seawater monitoring results at Fukushima Daiichi