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This is a summary from the US Department of Health about the dangers of Cesium. They fail to mention that cesium mimics potassium in the body, which can lead to both chemical and targeted radiological damage to the heart and nervous system, because it goes where the potassium goes. Potassium is required for heart function and nerve function. Replacement of potassium by cesium can have deadly consequences, radiologically and chemically.
US DOH Cesium toxicity 2004 p. 1
After making many important points about the dangers of cesium being exacerbated by its solubility in water, this document resorts to the high farce of saying: “Radioactive decay is a way of decreasing the amount of 134Cs and 137Cs in the environment“. As Hilda Murrell pointed out in her critique of the UK White Paper, for which she was likely killed 30 years ago, it is the radioactive decay that is the problem: “it is precisely the ‘decay’ of unstable elements which is the radio-active event, and which therefore poses all the ensuing problems. To say that decay ‘actually assists with waste management’ is to stand the whole situation on its head, and is unbelievably fatuous.http://hildamurrell.files.wordpress.com/2011/09/ordinary-view.pdf

While they point out that for Cesium, “It takes about 2 years for half of 134Cs to give off its radiation and about 30 years for 137Cs; this is called the half-life,” other radionuclides will be around for 100s or 1000s of years and others for longer than humans have walked on the face of the earth.

Unfortunately, as we now know, most radioactive waste is now “uncontrolled” – much is simply buried [1], and they hope that it won’t be a problem in their lifetimes. Other is stored in poor conditions, like at WIPP.
US DOH Cesium toxicity 2004 p. 2 http://www.atsdr.cdc.gov/tfacts157.pdf (Highlight added to original).
200 picocuries per liter = 7.4 becquerels per liter
EPA, has established a Maximum Contaminant Level (MCL) of 4 millirem per year for beta particle and photon radioactivity from man-made radionuclides in drinking water. Cesium-137 would be covered under this MCL. The average concentration of cesium-137 which is assumed to yield 4 millirem per year is 200 picocuries per liter (pCi/l). If other radionuclides which emit beta particles and photon radioactivity are present in addition to cesuim-137, the sum of the annual dose from all the radionuclides shall not exceed 4 millirem/year.” (USEPA) http://www.epa.gov/superfund/health/contaminants/radiation/pdfs/cesium.pdf
The high number of 7400 Bq being put out by a certain nervous, sniffling, professional information distorter with an MIT “education” is actually 7400 Bq per meter cubed, which is per 1,000 liters. Therefore it is 7.4 Bq per liter but if and only if Cs 137 were the only radionuclide and it clearly is not: “the sum of the annual dose from ALL the radionuclides shall not exceed 4 millirem/year.” (US EPA) The all refers to Beta emitters and photons. As we have already discussed, the US NRC not only promotes dilution as the solution for nuclear reactors and nuclear waste, but still allows the Clean Water standards to be exceeded, assuming always that it will flush away to be someone or something else’s problem.

Considering that Cs 134 has a half-life of 2 years, people better wonder why the same expert in distortion is only testing for Cs 134 in the Pacific, almost 4 years after Fukushima? They need to be testing for Cs 137, Strontium, and other radionuclides. It doesn’t matter whether the Cs 137 is from Fukushima, Chernobyl, nuclear bombs, nuclear submarines and nuclear reactors, which are allowed to leak into the ocean. What matters is how much is there. Also, other radionuclides matter.

Cesium salts have been evaluated as antishock reagents to be used following the administration of arsenical drugs. Because of their effect on heart rhythms, however, they are less likely to be used than potassium or rubidium salts… Cs137 is a reactor byproduct with applications in agriculture, industry and construction, radiotherapy for cancer treatment, and sterilization of food, sewage sludge, and surgical equipment. Reactor byproduct Cs137 was commercially produced at Hanford, WA (Medical Isotopes, 2003) and at Savannah River, GA (Frontiers, 2003).http://web.archive.org/web/20070207015229/http://pubs.usgs.gov/of/2004/1432/2004-1432.pdfMINERAL COMMODITY PROFILES, Cesium“, By William C. Butterman, William E. Brooks, and Robert G. Reese, Jr, USGS. Then they put the sewage sludge on food – unholy crap! So, if this is still practiced, it is one more source of radiation.

Regarding the toxicity of Cesium Chloride: “CsCl may have a therapeutic effect against prostate cancer, but one cannot overlook the acute toxicities also described.” From the abstract of “Assessing the therapeutic and toxicological effects of cesium chloride following administration to nude mice bearing PC-3 or LNCaP prostate cancer xenografts.” Cancer Chemother Pharmacol. 2007 Nov;60(6):821-9, by Low JC, Wasan KM, Fazli L, Eberding A, Adomat H, Guns ES.

NOTE 1: They very misleadingly speak of “engineered” barriers, but what they mean is burial, often in concrete trenches or in mounds, with plastic liner covers, and maybe some clay. They even put nuclear waste in plastic lined public landfills. All will leak over time. They simply bury large nuclear components. They also bury nuclear waste cans. WIPP, which appears to have been truly engineered, was actually designed to fail. They intend for the salt rooms to gradually close, which will lead to crushed waste containers, increased gas pressures and explosions. That’s why they backfill them and put a brick wall and sometimes a steel re-enforcement. It’s designed that way.