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Showing posts with label radiation fallout. Show all posts
Showing posts with label radiation fallout. Show all posts
Tuesday, April 24, 2012
We are in BIG Trouble-Fukishima Falling Apart
Tuesday, February 21, 2012
Japan Radiation Water Readings 1,000 X Prior Levels
Radiation detected 400 miles off Japan coast
Tuesday, February 21, 2012 - 21:30 in Earth & Climate
Salt Lake City
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| Japan's Radioactive Ocean |
Radioactive contamination from the Fukushima power plant disaster has been detected as far as almost 400 miles off Japan in the Pacific Ocean, with water showing readings of up to 1,000 times more than prior levels, scientists reported Tuesday.
(Japan's ocean currents: 1. Kuroshio, 7. Oyashio. Credit:Tosaka, via Wikimedia Commons.)
But those results for the substance cesium-137 are far below the levels that are generally considered harmful, either to marine animals or people who eat seafood, said Ken Buesseler of the Woods Hole Oceanographic Institution in Massachusetts.
He spoke Tuesday in Salt Lake City at the annual Ocean Sciences Meeting, attended by more than 4,000 researchers this week.
The results are for water samples taken in June, about three months after the power plant disaster, Buesseler said. In addition to thousands of water samples, researchers also sampled fish and plankton and found cesium-137 levels well below the legal health limit.
"We're not over the hump" yet in terms of radioactive contamination of the ocean because of continued leakage from the plant, Buesseler said in an interview before Tuesday's talk. He was chief scientist for the cruise that collected the data.
The ship sampled water from about 20 miles to about 400 miles off the coast east of the Fukushima plant. Concentrations of cesium-137 throughout that range were 10 to 1,000 times normal, but they were about one-tenth the levels generally considered harmful, Buesseler said.
Cesium-137 wasn't the only radioactive substance released from the plant, but it's of particular concern because of its long persistence in the environment. Its half-life is 30 years.
The highest readings last June were not always from locations closest to the Fukushima plant, Buesseler said. That's because swirling ocean currents formed concentrations of the material, he said.
Most of the cesium-137 detected during the voyage probably entered the ocean from water discharges, rather than atmospheric fallout, he added.
Scientists assess radioactivity in the ocean from Japan nuclear power facility
Published: Friday, December 9, 2011 - 20:36 in Earth & Climate
With current news of additional radioactive leaks from the Fukushima nuclear power plants, the impact on the ocean of releases of radioactivity from the plants remains unclear. But a new study by U.S. and Japanese researchers analyzes the levels of radioactivity discharged in the first four months after the accident.
It draws some basic conclusions about the history of contaminant releases to the ocean.
The study was conducted by Woods Hole Oceanographic Institution chemist Ken Buesseler and two colleagues based in Japan, Michio Aoyama of the Meteorological Research Institute and Masao Fukasawa of the Japan Agency for Marine-Earth Science and Technology.
They report that discharges from the Fukushima Dai-Ichi nuclear power plants peaked one month after the March 11 earthquake and tsunami that precipitated the nuclear accident, and continued through at least July.
Their study finds that the levels of radioactivity, while high, are not a direct threat to humans or marine life, but cautions that the effect of accumulated radionuclides in marine sediments is poorly known.
The release of radioactivity from Fukushima--both as atmospheric fallout and direct discharges to the ocean--represents the largest accidental release of radiation to the ocean in history.
Concentrations of cesium-137, a radioactive isotope with a 30-year half-life, at the plants' discharge points to the ocean peaked at more than 50 million times normal/previous levels.
Concentrations 18 miles offshore were higher than those measured in the ocean after the Chernobyl accident 25 years ago.
This is largely related to the fact, says Buesseler, that the Fukushima nuclear power plants are located along the coast, whereas Chernobyl was several hundred miles from the nearest salt water basins, the Baltic and Black Seas.
However, due to ocean mixing processes, the levels are rapidly diluted off the northwest coast of Japan.
The study used data on the concentrations of cesium-137, cesium-134 and iodine-131 as a basis to compare the levels of radionuclides released into the ocean with known levels in the sea surrounding Japan prior to the accident.
The resulting paper, Impacts of the Fukushima Nuclear Power Plants on Marine Radioactivity, is published in the current issue of the journal Environmental Science & Technology.
Salmon, caribou tested for radiation from Japanese reactor
Whether the salmon are affected by the radiation depends on what the salmon eat, Pitcher said, and also on the half-life of the particular radioactive isotope that entered the food chain from the reactor.
Pitcher said it is not likely the fish will reveal contamination, but it is important to test them and rule out the possibility. Other salmon species such as Koho and pink salmon do not migrate as far as sockeye and spend less time at sea, he said, so they are much less likely to be affected by the reactor failure.
Contributing Sources:
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Canada News
Washington Times
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Friday, July 22, 2011
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Tuesday, February 14, 2012
HIGH levels RADIATION St. Louis, MO Snow
Uploaded by dutchsinse on Feb 13, 2012
READ ME NOW ! Count returning between 74cpm and 110cpm.. normal levels are 20-30cpm (as indicated by past tests done at the same location).
Several of my viewers already know , but if you're a new viewer please understand , I TAKE VERY SERIOUSLY THE REPORT OF HIGH LEVELS !! I drove across the country from North Carolina to Washington State taking readings after Fukushima Japan (over the summer 2011)... watch those videos here:
http://www.youtube.com/results?search_query=dutchsinse+radiation+test
mostly LOW LEVELS were detected across the country. I reported low levels and told people things were "fine".. quote me .. "come to the west coast things look fine".
I reported that indeed LEVELS WERE LOW -- at the time -- nothing I could detect along these levels except in Colorado at 5,000 feet near granite rocks...
I always said, If I get a high reading I will Test and retest it to make sure its not an anomaly or incorrect -- thats why I have three geiger counters now and take multiple 10 minute readings.
So for me to take the time to report high levels, in the face of saying things were LOW back in June/July -- AFTER TAKING DOZENS OF READINGS ACROSS THE COUNTRY .. I don't take this responsibility lightly.
I have to put this information out and let you decide for yourself IF you want to take the risk. It pains me knowing that kids go sledding, that people build snowmen, that people EAT THE SNOW --- I can't in good conscience sit back and leave this unreported.
The next test INCLUDES ALL THREE GEIGER COUNTERS outside in the snow ! processing now ! 1120pm CST 2/13/2012 -- each video is in HD so its taking forever to get processed... and even longer than forever to upload it on youtube.
===============
convert CPM to uS/v or mS/v here:http://www.blackcatsystems.com/GM/converting_CPM_mRhr.html
quote:
"For those who prefer to use Sieverts, 108 CPM is about 1 uSv/hr for C060, and for Cs137 it is around 120 CPM per 1 uSv/hr. "
This means my first test @ 110CPM = 1 uS/v per hour. Which means 24 uS/v per day ....
24 uS/v per day X 365 days in a year = 8,760 uS/v per year !!! That is roughly 8.5 mS/v per year -- which equals about spending over an hour at chernobyl !! (that is per the PBS site below). We are coming up on one year from Fukushima -- if these levels continue it means we ALL spent over an hour at chernobyl if the levels carry on for a full year !!!!!
The second test (video you are watching now) = 74CPM ... thus meaning over the course of a year .. it is like spending OVER A HALF HOUR at chernobyl.
thats the rough math --- this is NOT good news.
how much radiation is too much? how am I coming up with the chernobyl exposure comparison? here is a chart to see:
http://www.pbs.org/wnet/need-to-know/the-daily-need/how-much-radiation-is-too...
=======
I have done two separate other measurements OUTSIDE in the snow directly -- 110 CPM .. and another test at approx. 62CPM.
Again.. High end 110CPM... middle test 74CPM.. low test 62CPM.
Normal is 20CPM to 30CPM based upon my past measurements with the same devices.
Be safe, don't ingest the snow, don't let the kids roll around in it.. keep the pets minimally exposed to it.
much love during these times,
==dutch==
Several of my viewers already know , but if you're a new viewer please understand , I TAKE VERY SERIOUSLY THE REPORT OF HIGH LEVELS !! I drove across the country from North Carolina to Washington State taking readings after Fukushima Japan (over the summer 2011)... watch those videos here:
http://www.youtube.com/results?search_query=dutchsinse+radiation+test
mostly LOW LEVELS were detected across the country. I reported low levels and told people things were "fine".. quote me .. "come to the west coast things look fine".
I reported that indeed LEVELS WERE LOW -- at the time -- nothing I could detect along these levels except in Colorado at 5,000 feet near granite rocks...
I always said, If I get a high reading I will Test and retest it to make sure its not an anomaly or incorrect -- thats why I have three geiger counters now and take multiple 10 minute readings.
So for me to take the time to report high levels, in the face of saying things were LOW back in June/July -- AFTER TAKING DOZENS OF READINGS ACROSS THE COUNTRY .. I don't take this responsibility lightly.
I have to put this information out and let you decide for yourself IF you want to take the risk. It pains me knowing that kids go sledding, that people build snowmen, that people EAT THE SNOW --- I can't in good conscience sit back and leave this unreported.
The next test INCLUDES ALL THREE GEIGER COUNTERS outside in the snow ! processing now ! 1120pm CST 2/13/2012 -- each video is in HD so its taking forever to get processed... and even longer than forever to upload it on youtube.
===============
convert CPM to uS/v or mS/v here:http://www.blackcatsystems.com/GM/converting_CPM_mRhr.html
quote:
"For those who prefer to use Sieverts, 108 CPM is about 1 uSv/hr for C060, and for Cs137 it is around 120 CPM per 1 uSv/hr. "
This means my first test @ 110CPM = 1 uS/v per hour. Which means 24 uS/v per day ....
24 uS/v per day X 365 days in a year = 8,760 uS/v per year !!! That is roughly 8.5 mS/v per year -- which equals about spending over an hour at chernobyl !! (that is per the PBS site below). We are coming up on one year from Fukushima -- if these levels continue it means we ALL spent over an hour at chernobyl if the levels carry on for a full year !!!!!
The second test (video you are watching now) = 74CPM ... thus meaning over the course of a year .. it is like spending OVER A HALF HOUR at chernobyl.
thats the rough math --- this is NOT good news.
how much radiation is too much? how am I coming up with the chernobyl exposure comparison? here is a chart to see:
http://www.pbs.org/wnet/need-to-know/the-daily-need/how-much-radiation-is-too...
=======
I have done two separate other measurements OUTSIDE in the snow directly -- 110 CPM .. and another test at approx. 62CPM.
Again.. High end 110CPM... middle test 74CPM.. low test 62CPM.
Normal is 20CPM to 30CPM based upon my past measurements with the same devices.
Be safe, don't ingest the snow, don't let the kids roll around in it.. keep the pets minimally exposed to it.
much love during these times,
==dutch==
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