Announcement

**Ronan Kelly** · April 13, 2011, 05:09 AM

Re: NISA - Nuclear and Industrial Safety Agency Press Releases

Japanese to English translation
Earthquake Information (Report No. 90)
(currently 00 minutes at the 8th April 13)

Changes from the previous below.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
The retention of water - the water pump of Unit 2 turbine building of the trench and started to transfer the condenser hot well (April 12, 19:35).
- temporary water stop No. 2 on the ocean side of the bar screen (1 of 7 sheets) is established (April 12).
- For the Unit 3 spent fuel pool cooling, concrete pump trucks (50t / h) of about 35t fresh water discharge (April 12, 16:26 to 17:16).
- spent fuel pool cooling for Unit 4, concrete pump trucks (50t / h) of about 195t freshwater discharge (April 13, 00:30 to 06:57).
2. Industrial Safety Relationship
See Appendix

...

http://www.meti.go.jp/press/2011/04/20110413001/20110413001-1.pdf

Earthquake Information (Part 91)
(current 15:00, 13 April)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
The retention of water - the water pump of Unit 2 turbine building of the trench and started to transfer the condenser hot well (April 12, 19:35). Check for leaks, etc., suspended (11:00, April 13.)
Injected into the spent fuel pool - fresh water from the spent fuel pool cooling system of Unit 2 (April 13, 13:15 to 14:55)
April 13 8:00 - shared pool water temperature is about spent fuel at the time ℃ 29.
- Two temporary steel water stop on the ocean side of the bar screen No. 2 (3 total) established (April 13, 8:30 to 10:00 time around.)
- Complete set 3-4 silt fence to prevent spread of contaminated water in front of the screen Unit (April 13, 13:50)
2. Industrial Safety Relationship
See Appendix
<the possibility of employee exposure, such as>
April 1 around 11:35, when boarding the ship from the shore for the boat barge hose rework the U.S. military, one fell into the sea workers. Rescue workers are now around, there was no external contamination and injury, just in case, the result of measurement Horubodikaunta were evaluated on April 12 without internal capture.
<directions to the food and drink>
Update restricted intake restricted item shipped. (15:00, April 13 now)

...

http://www.meti.go.jp/press/2011/04/20110413009/20110413009-1.pdf

**Ronan Kelly** · April 14, 2011, 05:09 AM

Re: NISA - Nuclear and Industrial Safety Agency Press Releases

Japanese to English translation
Earthquake Information (Part 92)
(Currently 00 minutes at the 8th April 14)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
The retention of water - the water pump of Unit 2 turbine building of the trench and started to transfer the condenser hot well (April 12, 19:35). Check for leaks, etc., suspended (11:00, April 13.) Then, after it was confirmed that there is no leakage, April 13 15:02 transport to resume on Thursday, April 13 17:04 to stop the transfer of water retention. Isao Makoto transport is about 660t.
Approximately 400m2 with shared pool - mountain ranges, the experimental scatter inhibitors prevent dispersal of radioactive material scattered on the ground (April 13, 11:00 to 11:30).
Remote control - removal of debris by heavy machinery (pieces of container 6) conduct (April 13, 11:00 to 16:10).

2. Industrial Safety Relationship
See Appendix

3. Responses, such as NISA
- April 13, Nuclear Safety Agency, Tokyo Electric Power (stock) of the Article 67 paragraph 1 under the Reactor Regulation Law, the results of the seismic safety evaluation of buildings Fukushima Daiichi Nuclear Power Station instructed to report on the study results and other measures and effective earthquake-proof construction.
- April 13, Nuclear Safety Agency, Tokyo Electric Power (stock) of the tsunami on the Tohoku region Pacific Ocean earthquake FY2011 directed a detailed analysis and consideration.
- April 13, NISA, the Tohoku Electric Power (stock) of the No. 3 from No. 1 in 女川原子力発電所, April 07, 23:32 County castle during an earthquake off the coast occurred in 2011 around the house important to safety and seismic analysis of seismic data acquired
Instructed to report on the assessment of seismic equipment.

...

http://www.meti.go.jp/press/2011/04/20110414001/20110414001-1.pdf

Japanese to English translation
Earthquake Information (Part 93)
(current 15:00, 14 April)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
- 1 silt fence installed to prevent the spread of contaminated water front and curtain wall screens Unit (April 14, 12:20).
- For the Unit 3 spent fuel pool cooling, concrete pump trucks (50t / h) Hazime Hiraku freshwater discharge (15:56, April 14.)
For Unit 3 - 4, in order to determine the condition of the reactor building, carried out by helicopter movie Radio (April 14, 10:17 to 12:25).

2. Industrial Safety Relationship
See Appendix

...

http://www.meti.go.jp/press/2011/04/20110414004/20110414004-1.pdf

**Ronan Kelly** · April 15, 2011, 05:21 AM

Re: NISA - Nuclear and Industrial Safety Agency Press Releases

Japanese to English translation
Earthquake Information (Part 94)
(currently 00 minutes at the 8th April 15)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
? For Unit 3, concrete pump trucks (50t / h) 25t fresh water discharge (April 14, 15:56 to 16:32).
Unit 4 - On order to monitor the status of stored fuel in the spent fuel pool, the work carried out sampling of the spent fuel pool water (12:00 to 13:04 April 12.) For pool water were collected and analyzed for radioactive nuclides (April 13). As a result, 131I (iodine) is 2.2 ? 102Bq/cm3, 134Cs (cesium) is 8.8 ? 101Bq/cm3, 137Cs (cesium) is 9.3 ? 101Bq/cm3, discovered (April 14).
- a shared pool of approximately 1600m2 mountain range, anti-splash spray on a trial basis to prevent dispersal of radioactive materials in the ground (April 14, 12:00 to 13:30).

3 points - from the soil that has become a regular basis to sample collection in the grounds of the Fukushima Daiichi Nuclear Power Station, the samples taken on 04 April and 31 March (six samples total) of From samples 3 238Pu (plutonium), 239Pu (plutonium), 240Pu (plutonium) detected (released April 14, 18:30 TEPCO). The detected concentrations of plutonium, fallout observed in Japan in the past nuclear tests in the atmosphere (fallout) is similar to, a problem in the human body in normal circumstances is not level.

2. Industrial Safety Relationship
See Appendix

3. Responses, such as NISA
April 13, were sampled in Unit 1 Sabudoren (groundwater catchment management in the facility) about a column that had increased levels of radiation compared to the previous Nuclear Safety Agency Strengthen such surveillance, verbal instructions.
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http://www.meti.go.jp/press/2011/04/20110415002/20110415002-1.pdf

**Ronan Kelly** · April 16, 2011, 05:37 AM

Re: NISA - Nuclear and Industrial Safety Agency Press Releases

Japanese to English translation
Earthquake Information (Report No. 95)
(Current 15:00, 15 April)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
- No. 4 on the spent fuel pool, concrete pump trucks (50t / h) to the freshwater discharge Hazime Hiraku (April 15, 14:08)
Shared pool for spent fuel - Wed, April 15 at 6:20 is about the temperature ℃ 33
- No. 1 through 4, in order to assess the reactor building, carried out by helicopters movie (8:02 to 9:55 April 15)
2. Industrial Safety Relationship
See Appendix
3. Responses, such as NISA
[April 15]
- Tokyo Electric Power (Corporation) received notification that there was a delay in Nuclear Emergency Preparedness Manager dismissal under paragraph 5 of Article 9 of Nuclear Disaster Special Measures Law due to personnel changes in dated January 4, NISA The Tokyo Electric Power (Corporation), the verbal instructions to create a reprimand to do with preventive measures.

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http://www.meti.go.jp/press/2011/04/20110415008/20110415008-1.pdf

Earthquake Information (Report No. 96)
(Currently 8:00 April 16)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
? For Unit 4, concrete pump trucks (50t / h) of about 140t freshwater discharge (April 15, 14:30 to 18:29)
- Between the pump chamber and pump chamber screen screen No. 3 No. 4, Sandbags placed three bags of zeolite (April 15, 14:30 to 15:45)
- Temporary water stop No. 2 on the ocean side of the bar screen (4 of 7 sheets) is established (April 15, 9:00 to 14:15).
- A shared pool of approximately 1900m2 mountain range, anti-splash spray on a trial basis to prevent dispersal of radioactive materials in the ground (April 15, 11:30 to 13:00).
Remote control - removal of debris by heavy machinery (pieces of container 1) conduct (April 15, 9:00 to 15:45).
? 1 to a pump for water injection and power distribution to the Unit 3 reactor, moved as a measure tsunami heights (10:19 to 17:00 on April 15.)
2. Industrial Safety Relationship
See Appendix
3. Responses, such as NISA
- The earthquake off Miyagi Prefecture on April 07, 2011, a ground fault accident occurs in a part of the power system from an external power loss occurred temporarily in nuclear power plants, the electric utility directed to consider other measures to ensure the reliability of external power according to the seller.

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http://www.meti.go.jp/press/2011/04/20110416001/20110416001-1.pdf

Earthquake Information (Report No. 97)
(Current April 16 15:00

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
- 11 am April 16, the range of about 1,800 square feet of mountain shared pool, land
Anti-splash spray on a trial basis to prevent dispersal of radioactive material surface. The same day at 1:00 pm
Completed.
2. Industrial Safety Relationship
See Appendix
3. Responses, such as NISA
See Appendix

...

http://www.meti.go.jp/press/2011/04/20110416003/20110416003-1.pdf

**Ronan Kelly** · April 17, 2011, 06:33 AM

Re: NISA - Nuclear and Industrial Safety Agency Press Releases

Japanese to English translation
Earthquake Information (Part 98)
(current 15:00, 17 April)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
For Unit 2 -, fresh water from the spent fuel pool cooling system for the spent fuel pool
Injection (about 45t) (May 16, 4 10:13 ~ 11:54 ※ 11:19 shadow of earthquakes around 11:39 Symphony in makeshift electric pump stops. 11:54 Sukimareberu to check the rise in
By high water check. )
- shared pool for spent fuel, the short end of the power supply circuit,
Power outage (14:34, April 17.)
April 16 6:10 - shared pool water temperature is about spent fuel at the time ℃ 33
Screen No. 2 pump house pumps and sandbags to screen a number of zeolite
Between the two bags of room between the pump chamber and pump chamber No. 3, Screen # 2 Screen 5 bag set (April 17, 9:00 to 11:15)
Remote control - removal of debris by heavy machinery (8 min Container) conducted (April 16, 9:00 to 16:00).
2. Industrial Safety Relationship
See Appendix
3. Responses, such as NISA
See Appendix
<directions to the food and drink>
Update restricted intake restricted item shipped (April 17 at 15:00)

...

http://www.meti.go.jp/press/2011/04/20110417002/20110417002-1.pdf

**Ronan Kelly** · April 18, 2011, 05:29 AM

Re: NISA - Nuclear and Industrial Safety Agency Press Releases

Japanese to English translation
Earthquake Information (Report No. 99)
(Current April 18, 8:00)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
? In the Unit 1 reactor building, carried out by unmanned robot status and confirmation. (April 17, 16:00 to 17:30).
- The reactor building of Unit 3, carried out by unmanned robot status and confirmation. (April 17, 11:30 to 14:00).
- spent fuel pool cooling for Unit 4, concrete pump trucks (62m class) is about 140t freshwater discharge (April 17, 17:39 to 21:22).
- shared pool for spent fuel by the end of the short-circuit power supply, power outage (14:34, April 17.) Then conduct an inspection of the equipment, power supply is restored (17:30, April 17.)
April 17 5:15 - shared pool water temperature is about spent fuel at the time ℃ 34
- centralized waste treatment facilities around the mountainside 1,900 square foot range, anti-splash spray on a trial basis to prevent dispersal of radioactive materials in the ground (April 17, 10:00 to 13:30).
- removal of heavy debris from the remote control (two pieces of container) carried out (April 17, 9:00 to 16:00)
2. Industrial Safety Relationship
See Appendix
3. Responses, such as NISA
See Appendix
<directions to the food and drink>
Update restricted intake restricted item shipped (April 18 at 8:00)

...

http://www.meti.go.jp/press/2011/04/20110418001/20110418001-1.pdf

**Ronan Kelly** · April 19, 2011, 05:08 AM

Re: NISA - Nuclear and Industrial Safety Agency Press Releases

Japanese to English translation
Earthquake Information (Report No. 100)
(Now 15:00 April 18)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
- In Unit 2 reactor building, carried out by robots and unmanned check status (four
May 18, 13:42 to 14:33)
? For Unit 3 spent fuel pools, concrete pump trucks (62m class) is
Freshwater discharge started (April 18 - 14:17)
- 1 new replacement for the hose being used for water injection into the reactor No. 3
Stop the pump irrigation (April 18, 11:50 to 13:05)
About waste disposal facilities - focused around a range of 1,200 square meters of radioactive materials on the ground flying
Anti-splash spray on a trial basis to prevent dispersion (April 18, 9:00 to 14:30)

...

http://www.meti.go.jp/press/2011/04/20110418005/20110418005-1.pdf

Earthquake Information (Part 101)
(Currently 00 minutes at the 8th April 19)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
? For Unit 3, concrete pump trucks (62m class) is about 30t fresh water discharge (April 18, 14:17 to 15:02)
- Removal of heavy debris from the remote control (4 minutes containers) carried out (April 18, 9:00 to 16:00)
? Completion of the building measures in the still water of central waste treatment facility (April 18)
2. Industrial Safety Relationship
See Appendix
3. Responses, such as NISA
* Based on an instruction relating to the collection of reports issued dated 10 April, Tokyo Electric Power (Co) concentration of waste water has been detected with high radiation doses that are stuck in Fukushima Daiichi Nuclear Power Station submitted by the Transfer to the receipt of a report on the building process (April 18), and review them (April 19).
<Directions to the food and drink>
Update restricted intake restricted item shipped (April 19 at 8:00)

...

http://www.meti.go.jp/press/2011/04/20110419001/20110419001-1.pdf

Earthquake Information (Part 102)
(Current 15:00, 19 April)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
- Wed residence in the Unit 2 turbine building (water retention of a high dose) started to transfer centralized waste treatment facility (April 19 - 10:08)
- No. 4 on the spent fuel pool, concrete pump trucks (62m class) is about 40t fresh water discharge (April 19, 10:17 to 11:35)
3,4 - 1,2 is complete and the No. strengthen cooperation between the Unit Power (April 19, 10:23)

...

http://www.meti.go.jp/press/2011/04/20110419007/20110419007-1.pdf

**Ronan Kelly** · April 20, 2011, 04:57 AM

Re: NISA - Nuclear and Industrial Safety Agency Press Releases

Japanese to English translation
Earthquake Information (Part 103)
(currently 00 minutes at the 8th April 20)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
? For Unit 2 spent fuel pool of freshwater injection from the spent fuel pool cooling system (about 47t) (April 19, 16:08 to 17:28)
? For Unit 2, waterproofing agent in a trench power (water) on April 18 about the 17,000 L, approximately 19 4 7,000 L injection
Wed underground reservoir - Unit 6 turbine building (approximately 100m3) transferred to the condenser (April 19, 11:00 to 15:00)
- Removal of debris by heavy remote control (3 min containers) carried out (April 19, 9:00 to 15:00)

...

http://www.meti.go.jp/press/2011/04/20110420001/20110420001-1.pdf

Earthquake Information (Part 104)
(currently 3:30 pm on April 20)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
? To monitor the status of the Unit 2 spent fuel pool water, water sampling operations carried out Sukimasajitanku leaked from the spent fuel pool (April 16). For pool water collected, analyzed the results of radioactive nuclides, 131I (iodine) is 4.1 ? 103Bq/cm3, 134Cs (cesium) is 1.6 ? 105Bq/cm3, 137Cs (cesium) is a 1.5 ? 105Bq/cm3 Discovery (April 17)
Residual heat removal system of temporary water - Unit 6 (RHRS) to change the position of the hose, the residual heat removal system (RHR) pump suspended (April 20 - 9:51)
2. Industrial Safety Relationship
See Appendix
<directions to the food and drink>
Update restricted intake restricted item shipped (April 20 at 15:30)

...

http://www.meti.go.jp/press/2011/04/20110420004/20110420004-1.pdf

**Ronan Kelly** · April 21, 2011, 05:40 AM

Re: NISA - Nuclear and Industrial Safety Agency Press Releases

Japanese to English translation
Earthquake Information (Part 105)
(currently 00 minutes at the 8th April 21)

The main changes are as follows from the last time.
1. Related nuclear power plant
○ Fukushima Daiichi Nuclear Power Station
Unit 4 - On, for the spent fuel pool cooling, concrete pump trucks (62m class) is about 100t freshwater discharge (April 20, 17:08 to 20:31)
Residual heat removal system of temporary water - Unit 6 (RHRS) to change the position of the hose, the residual heat removal system (RHR) pump suspended (April 20, 9:51), and the temporary relocation of the pump working RHRS After implementation, the cooling resumes (15:56, April 20)
About waste disposal facilities - focused around a range of 1,900 square feet, spraying on a trial basis to prevent anti-splash dispersal of radioactive materials in the ground (April 20, 12:00 to 13:30)
- removal of heavy debris from the remote control (1 minute container) carried out (April 20, 9:00 to 16:00)
...

http://www.meti.go.jp/press/2011/04/20110421001/20110421001-3.pdf

Announcement

NISA - Nuclear and Industrial Safety Agency Press Releases

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