27th August 2014 – Fukushima Daiichi Sea Releases Updated To 157 Billion Bq Per Day
“The journalists at the conference prodded TEPCO for actual readings due to the graph having wide ranges and exact numbers were not published along side it. The cart appears to show a very clear reading of 150 billion bq per day for tritium at the 2014 rate, not the 1 billion bq per day quoted by TEPCO in the meeting. The other isotope readings quoted by TEPCO appear to be accurate. This big change in the daily tritium release increases the daily total radiation release to the sea as being 157 billion becquerels per day.”
26th August 2014 – TEPCO Drops Bombshell About Sea Releases; 8 Billion Bq Per Day
“*** Update*** With a translation of a related portion of a TEPCO document released to METI just yesterday the total releases of this new admission are even higher than the 11 Tbq mentioned.”
8th August 2014 – Tepco discharged the largest volume of bypass contaminated water / 700 million Bq of Tritium to the Pacific.
However their discharging volume keeps increasing.
According to third party organization, Tritium density in the discharged water was 340,000 Bq/m3.
682,380,000 Bq of Tritium was released to the sea by this discharge.
9th July 2014 – New safety rules may be applied to Fukushima plant
Extract: The body also discussed a delay in work to freeze waste water in underground utility tunnels at the plant to block further inflows of water and stop contaminated water from leaking out to sea.
Members urged that the effort be speeded up. Some expressed doubt as to whether the plant’s operator has a sense of crisis.
7th July 2014 – LONG COMMUTE AND RADIOACTIVE ROPE
Extract: Just after midday a piece of rope was pulled aboard. As part of our logging protocol, I brought out the Geiger counter and took a reading. The ambient reading that morning had been about 30 CPM (cycles per minute) so it was a surprise when the reader climbed, and spiked at 120 CPM – our highest reading yet. It should be noted however, that to calibrate the counter I actually use a product sold in supermarkets called Nu-Salt which registers at 100 CPM. So we don’t feel it poses a substantial health risk, but is important to monitor as radiation levels in the gyre is a common question we encounter.
Comment: The radioactivity in NU-salt sold in supermarkets is from extra Potassium content, a small percentage of which is natural radioactive Potassium. Radioactive Potassium is in all living things.
The contamination on this rope could be cause by far more biologically dangerous radioactive contamination. A Geiger counter test won’t tell you what radioactive isotopes are causing the higher than background detection.
2nd July 2014 – Nuclear Watch: US View on Fukushima Daiichi
Around 1 minute 40 seconds in, there is mention of releasing large amounts of tritium into the Pacific Ocean.
25th June 2014 – Tepco finally admitted the “possibility” that contaminated water penetrated to the deep layer of the ground
If the contaminated water is penetrating to deep layer of the ground, there are few measures to stop it spreading. It can also travel underground of the ocean bed to come up to the sea offshore of Fukushima plant.
14th June 2014 – NRA reports “Marine soil contamination stretches S-W to N-E” / N-E from Fukushima plant is Alaska.
2,000 Bq/Kg from marine soil 6km offshore Fukushima, over 1,000Bq/Kg at 20 locations.
There is Alaska in far North-East of Fukushima nuclear plant. Fukushima Diary hasn’t found the report on marine soil further than 32km offshore, however it would be high priority where / how the marine soil contamination spreads in the Pacific.
21st May 2014 – Tepco begins dumping Fukushima No. 1 groundwater into Pacific Ocean
Tepco said 560 tons of groundwater captured and stored before it entered reactor building basements was to be released Wednesday, using a bypass system that funnels it toward the ocean after checking for radiation levels.
The safety limits for the water released, which Tepco says are tighter than World Health Organization guidelines for drinking water, state that released groundwater should contain less than 1 becquerel per liter of cesium-134 and cesium-137, 5 becquerels of beta ray-emitting radioactive material such as strontium-90, and 1,500 becquerels of tritium.