title: Radioactive plume from the Three Mile Island accident: xenon-133 in air at a distance of 375 kilometers.
abstract: The transit of an air mass containing radioactive gas released from the Three Mile Island reactor was recorded in Albany, New York, by measuring xenon-133. These measurements provide an evaluation of Three Mile Island effluents to distances greater than 100 kilometers. Two independent techniques identified xenon-133 in ambient air at concentrations as high as 3900 picocuries per cubic meter. The local gamma-ray whole-body dose from the passing radioactivity amounted to 0.004 millirem, or 0.004 percent of the annual dose from natural sources.
mesh_terms: D000398:Air Pollution, Radioactive; D006801:Humans; D009518:New York; D009688:Nuclear Reactors; D010414:Pennsylvania; D011210:Power Plants; D011829:Radiation Dosage; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes