Part of normal daily life as we've seen at Fukushima I Nuclear Power Plant.
The stainless pipe that circulates water for the condenser unit for the Spent Fuel Pool of Reactor 4 has been found leaking. The amount of radioactive materials in the water (coming out of the SFP) is very low, says TEPCO, only 10 becquerels/liter. It is a very minor drip, of one drop in 30 seconds or so, according to Mainichi Shinbun (in Japanese; 8/23/2011).
TEPCO's countermeasure is to put a bucket under the dripping pipe. The cooling operation continues uninterrupted.
TEPCO's handout for the press on August 23 is still only in Japanese. I put the green circle around the leak location:
30-Day free trial by following the link.
Tokyo Time
戦争の経済学
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ArmstrongEconomics.com, 2/9/2014より：
戦争の経済学
マーティン・アームストロング
多くの人々が同じ質問を発している－ なぜ今、戦争の話がでるのか？
答えはまったく簡単だ。何千年もの昔までさかのぼる包括的なデータベースを構築する利点の一つは、それを基にいくつもの調査研究を行...
10 years ago
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8 comments:
This was the entire building that mysteriously dissapeared leaving less identifiable wreckage than the Mox detonation.
Fascinating stuff eh?
Stainless steel being a rather hard to bend material, it is different from the "flexible hose/フレクシブルホース", isn't it ?
So the water runs through some pipes from the SPF and has 10Bq/l :0)) Yeah - right :0))
Does anyone know where the common spent fuel pool is located?
Yeah evendine. I can't believe ANYTHING in the reactor buildings is only 10 Bq/l, let alone cooling water for the SFP. Makes you wonder how many zeros they've dropped this time.
Look at this:
http://www.tepco.co.jp/en/press/corp-com/release/betu11_e/images/110531e19.pdf
In May the total beta radiation in the SFP of Unit 4 was 1300000 Bq/L! Where has it gone?
Here are the results of the SFP water analyses for August:
Unit 1: 23000000 Bq/l Cs-137 + 18000000 Bq/l Cs-134
Unit 2: 110000000 Bq/l Cs-137 + 110000000 Bq/l Cs-134
Unit 3: 87000000 Bq/l Cs-137 + 74000000 Bq/l Cs-134
Unit 4: 61000 Bq/l Cs-137 + 44000 Bq/l Cs-134
Source:
http://www.tepco.co.jp/en/nu/fukushima-np/images/handouts_110825_02-e.pdf
In case anyone else is wondering about the common pool, it is in a separate building 50m west of #4. It has 6,291 or 6,375 assemblies, each composed of 63 rods. It is assumed to be safer because it is cooler, but it was re-racked to accommodate the 1760 tons stored there.
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