cesium 137

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Related to cesium 137: Chernobyl, cobalt 60, strontium 90, iodine 131
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Noun1.cesium 137 - a radioactive isotope of cesium used in radiation therapy
atomic number 55, caesium, cesium, Cs - a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
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References in periodicals archive ?
During this process, six gauges containing radioactive materiel specifically Cesium 137, were inadvertently placed among the salvage materiel by the private contractor responsible for the salvage operation.
radioactive cesium 137 into the reactor s cooling pond.
The Ministry of Health, Labor and Welfare said Thursday 36.1 kilograms of porcini mushrooms imported from Italy through Narita airport contained levels of cesium 134 and cesium 137 radiation above the government-set level.
Takada said his research also showed that cesium 137 in the soil was at an acceptable level of 26 kilobecquerel per 1 square meter.
"Since 1951," Hertsgaard writes, "Lake Karachay had accumulated an awesome 120 million curies worth of radioactivity and absorbed nearly 100 times more strontium 90 and cesium 137 than was released at Chernobyl." Russian bureaucrats ultimately bar Hertsgaard from visiting Lake Karachay.