| 41. | Radioactivity poured out from Chernobyl's only working reactor.
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| 42. | None of the plant workers were exposed to radioactivity, he said.
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| 43. | No leak of radioactivity into the environment was reported in that accident.
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| 44. | Gustafson said lab officials are monitoring air emissions for radioactivity.
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| 45. | The mines helped speed the flow of radioactivity into drinking water supplies.
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| 46. | A search of his apartment also turned up high levels of radioactivity.
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| 47. | No one was injured in the accident, and no radioactivity leaked.
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| 48. | But uranium would add nothing; it has minimal radioactivity.
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| 49. | It constitutes most of the radioactivity still left from the Chernobyl accident.
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| 50. | Radioactivity is the ability of a substance to emit high energy particles.
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