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
References in periodicals archive ?
Prepared by the Scientific Committee 64-23 on Cesium in the Environment of the National Council on Radiation Protection and Measurements, this report summarizes the current state of knowledge of radiocesium in the environment and aims to identify management issues concerning cesium 137 contamination of ecosystems.
The waste contains toxic and highly radioactive elements, including plutonium, cesium 137, and strontium 90 mixed in with other materials that make the liquids in the tanks extremely caustic.
Future research will include carbon 14, cesium 137, and lead 210 dating methods to calculate the sediment accumulation rates and age of sand layers from the two vibracores and four push cores taken at the pond to allow the paleoenvironmental history to be reconstructed.
And in 1993, tritium, strontium 90, cesium 137 and plutonium 238 were found in soil samples taken from the camp along the Rocketdyne property line.
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.