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Fukushima, Technology

Geiger Counters don’t work on Food!

“Just pointing a measuring device at your food before dinner is pretty much meaningless.”-Katayama Atsushi, Japan Society for Analytical Chemistry.

The Japanese Health, Labor and Welfare Ministry says you should use scintillation counters to detect iodine-131 in milk and vegetables.  Inductively coupled plasma mass spectrometers should be used to trace uranium.  Nitric acid and dehydrated samples are turned to ash over a 24-hour period in temperatures exceeding 400 degrees Celsius, in order to detect strontium.

“Just to know what the radiation levels are in your home, it’s relatively straightforward, but when you get to measuring it in food, milk and soil it gets much more complicated.”-Joseph Rotunda, Thermo Fisher Scientific

You could spend $400.00 on a Geiger counter just to measure radiation in and around your home, but lots of things can affect the reading.  Things like concrete walls and driveways, granite counter tops and even cell phones.

To save some money, if you don’t think it’s safe to eat, don’t eat it.

Fukushima

TEPCo swimming against a current of contaminated water. Radiation levels at Max!

Tokyo Electric Power Company can not keep up with the amount of contaminated water coming from their Fukushima Daiichi reactors.  So far they’ve removed 660 tons of water, but the reactors and fuel pools hold more than 80,000 tons combined, and the water continues to pour out.

Water levels in the tunnel connected to Reactor 2 has risen to a point higher than before they started removing the water.  They still aren’t sure where the water is coming from, but suspect damaged reactor vessels.

On top of that they’re now saying the radiation levels in the contaminated water are maxed out (they used a term similar to that).  As of 15 April, the radiation levels in the leaked water are now 38 times what they were last week.  TEPCo also thinks the contamination is getting into the groundwater, not just the Pacific Ocean.

It turns out that TEPCo was testing radiation levels, in the leaked water, only once per week!  They say they will now test three times per week.

The high radiation indicates that not only could reactor vessels be damaged, but fuel rods have melted.

TEPCo says they won’t be able to transfer recovered water, to a waste plant, until the end of next week.

 

Fukushima

Atlantis Syndrome: Officials confirm land sunk after 9.0 quake

The Geographical Survey Institute surveyed 28 benchmarks in three prefectures, hit by the 11 March earthquake.

They confirmed that the land has dropped as much as 84cm (33 inches, just under 3 feet).

The land sunk in Fukushima, Miyagi and Iwate Prefectures.  They are now dealing with high tide flooding caused by the loss of their sea walls, and their sunken land.

Fukushima

Melt downs: TEPCo sandbagging, with Zeolite

Tokyo Electric Power Company will try a new weapon against radiation spreading in the Pacific Ocean; sandbags.  They already tried steel and silt fencing, now they will use sandbags full of zeolite.

Zeolite is an aluminosilicate mineral, used in commercial absorbents.  It’s hoped it will absorb some of the high levels of radiation in the water.

The difficulties never stop.  Now analysis by the Atomic Energy Society says fuel rods have melted in reactors 1 and 3.  The rods dropped small pellets into the cooling water as they melted.  The pellets have built up at the bottom of the vessel.  There is concern that a large buildup of melted fuel could become a molten mass and damage the vessel, leaking huge amounts of radioactive material.

One evidence of damaged vessels is plutonium.  For the third time plutonium contamination has been found around Fukushima Daiichi nuclear plant.

Fukushima

For first time, high altitude ratiation checks will be made

The Fukushima University will conduct high altitude radiation checks, using high altitude weather balloons.

On Friday they will release the balloon, it will take readings as high up as 30km (18.6 miles).  Readings will be taken at 10 meter (32.8 feet) intervals.

The jet stream blows from east to west (towards North America).  The testing will be done over a 20 day period.

International

Food Crisis: World Food prices in “Danger Zone”, creating Mass Poverty

The U.S. based World Bank says international food prices have entered the “danger zone”, and are heading towards the “tipping point”.

World Bank president, Robert Zoellick, blames in on several things.

People in countries where the economies are good, are buying more meat.  The problem is that increasing meat production means more grain crops going to ranchers, instead of food for people.  Crops used for bio-fuels, instead of food,  is also a problem.

Then there’s a supply system problem; it’s taking longer to rebuild stocks of basic food ingredients, once they are used up.  This is made worse by the fact that many countries are facing lower crop production mainly because of climate change (cold wx, flooding and drought).

Add to that oil.  Petroleum is used for fertilizers, pesticides, etc, and that is adding to the cost of food production.

One country, China, is so scared of lack of food that they’re buying up huge tracts of land in Africa for food production.

Zoellick says this is a long term problem, we’re only at the beginning of higher food prices.  Also, while countries with more money to buy food are seeing higher prices, the poorer countries are paying far more for their food.

Zoellick says just since last year the higher prices have pushed 44 million people into poverty.  He predicts another 10% increase in food prices will push another 10 million people into poverty.

Fukushima

First time search for Victims, within 10km of Nuke Melt Down Plant, begins!

Finally, after weeks, local police and firefighters are searching for victims within 10 kilometers (6.2 miles) of the damaged Fukushima Daiichi nuke plant.

300 personnel from Fukushima Prefecture have begun the operation. They are wearing protective gear.  Some will dig through debris, while others monitor radiation levels.  So far 10 bodies have been found.

 

 

Fukushima

Decommisioning Fukushima Daiichi will take at least 10 years: Toshiba

Tearing down, and cleaning up Fukushima Daiichi nuke plant will take ten years, according to the builder of the GE designed reactors, Toshiba, and that’s not until the current situation is brought under control.

Toshiba’s plan involves the help of four U.S. companies as well.

Phase one will likely to take several months to years. It involves cooling and stabilizing reactors and spent fuel pools, while preventing radioactive water from increasing.

Phase two could take five years: Safe removal, and storage, of nuclear fuel rods from the pools and pressure vessels.

Final phase another five years: Dismantling the reactors and clearing the land, will take another 5 years.

Fukushima

Ground Water Contaminated, TEPCo dealing with 80,000+ tons of contaminated water!

”As there is believed to be around 20,000 tons of water (in the No. 2 reactor turbine building and the trench connected to it), we’re feeling the difficulty of lowering the level of the water in a stable manner.”-Nishiyama Hidehiko, Nuclear and Industrial Safety Agency

It’s not just 20,000 tons of contaminated water in Reactor 2,  there is another 60,000 tons in reactors 1 and 3 to deal with,  and no mention of how much water is leaking from Reactor 4.  Now Tokyo Electric Power Company confirms the local ground water, not just the ocean, is contaminated.

TEPCo says radiation in ground water has risen several dozens of times in one week.  It includes iodine-131 and cesium-137.  On 06 April cesium levels were at 1.4 becquerels, on Wednesday it had risen to 53 becquerels.  The readings for iodine-131 are much higher, on Wednesday it had hit 400 becquerels.

Just how much contaminated water has TEPCo been able to safely remove?  660 tons, that’s all.  Thousands of tons has spilled out into the ocean, and into local ground water.   One official thinks it will take three months to remove the tens of thousands of tons of contaminated water, and that needs to be done before they can deal with anything else.

The United States is sending several huge water storage tanks to help with the contaminated water removal.  It must be put somewhere safe, because the water is nuclear waste.

The problem of the spilling waste water is being blamed on the dumping of sea water, as an emergency cooling operation.

Fukushima Daiichi is still showing temperature problems, but employees say they can not trust the instrumentation.  One employee says one gauge will show overheating while another gauge shows normal!

Fukushima

Nuke plants not designed to withstand 9.0 quake, concern over strong aftershocks!

The Nuclear and Industrial Safety Agency of Japan, has asked three nuclear power plants to inspect their reactors for damage.  This after the agency realized that the 11 March earthquake was stronger than what many nuclear power plants were designed to withstand.

Since then Japan has had more than 400 aftershocks, several in the 5 to 6 magnitude range, and at least two of magnitude 7.  There is concern that nuclear plants already damaged by the 9.0 quake, will be further weakened by the aftershocks.

Work at the damaged Fukushima Daiichi plant has been continually interrupted by aftershocks.  Currently employees are moving diesel generators to higher ground, because there is concern that there could be another big quake caused tsunami.

Fukushima Daiichi is not the only nuke plant damaged by the 11 March quake.  Fukushima DaiNi, just a few miles away, has been struggling to keep its reactors cool, using external power.  Also, in Miyagi Prefecture, there is Onagawa nuclear plant (owned by Tohoku Electric, not to be confused with Tokyo Electric).  It too, has been struggling to keep its fuel pools cool with external power.  One aftershock cut the power lines running to the plant.  Onagawa had all its reactors shut down for maintenance prior to 11 March, so all the active fuel rods are in the spent fuel pools.