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Transuranic waste (TRU) is, as stated by U.S. regulations and independent of state or origin, waste which has been contaminated with alpha emitting transuranic radionuclides possessing half-lives greater than 20 years and in concentrations greater than 100 nCi/g (3.7 MBq/kg). The United States currently permanently disposes of TRU generated from defense nuclear activities at the Waste Isolation Pilot Plant, a deep geologic repository. Other countries do not include this category, favoring variations of High, Medium/Intermediate, and Low Level waste.

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  • نفايات مشعة عابرة للحدود
  • Transuranabfall
  • Transuranic waste
  • TRU廃棄物
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  • نفايات مشعة عابرة للحدود هي كما تنص لوائح الولايات المتحدة هي نفايات ملوثة بالنويدات المشعة التي تنبعث من اضمحلال ألفا والتي تحتوي على نصف عمر أكبر من 20 سنة وبتركيزات أكبر من 100 كوري/جم (3.7 بيكريل/كغم).
  • Transuranabfälle sind eine spezielle Art von radioaktiven Abfällen.
  • TRU廃棄物(TRUはいきぶつ、英: TRans-Uranic waste)とは、原子番号がウランの92番よりあとの元素を構成する核種(超ウラン元素)を含む放射性廃棄物を言う。いわゆる低レベル放射性廃棄物に分類される。 日本においては、TRU廃棄物のうちの長寿命放射性核種を多く含む廃棄物は、高レベル放射性廃棄物同様に地層処分されることとなっており、放射能の強さに応じて適切な深度への処分が行われる計画である。
  • Transuranic waste (TRU) is, as stated by U.S. regulations and independent of state or origin, waste which has been contaminated with alpha emitting transuranic radionuclides possessing half-lives greater than 20 years and in concentrations greater than 100 nCi/g (3.7 MBq/kg). The United States currently permanently disposes of TRU generated from defense nuclear activities at the Waste Isolation Pilot Plant, a deep geologic repository. Other countries do not include this category, favoring variations of High, Medium/Intermediate, and Low Level waste.
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  • نفايات مشعة عابرة للحدود هي كما تنص لوائح الولايات المتحدة هي نفايات ملوثة بالنويدات المشعة التي تنبعث من اضمحلال ألفا والتي تحتوي على نصف عمر أكبر من 20 سنة وبتركيزات أكبر من 100 كوري/جم (3.7 بيكريل/كغم).
  • Transuranabfälle sind eine spezielle Art von radioaktiven Abfällen.
  • Transuranic waste (TRU) is, as stated by U.S. regulations and independent of state or origin, waste which has been contaminated with alpha emitting transuranic radionuclides possessing half-lives greater than 20 years and in concentrations greater than 100 nCi/g (3.7 MBq/kg). Elements having atomic numbers greater than that of uranium are called transuranic. Elements within TRU are typically man-made and are known to contain americium-241 and several isotopes of plutonium. Because of the elements' longer half-lives, TRU is disposed of more cautiously than low level waste and intermediate level waste. In the U.S. it is a byproduct of weapons production, nuclear research and power production, and consists of protective gear, tools, residue, debris and other items contaminated with small amounts of radioactive elements (mainly plutonium). Under U.S. law, TRU is further categorized into "contact-handled" (CH) and "remote-handled" (RH) on the basis of the radiation field measured on the waste container's surface. CH TRU has a surface dose rate not greater than 2 mSv per hour (200 mrem/h), whereas RH TRU has rates of 2 mSv/h or higher. CH TRU has neither the high radioactivity of high level waste, nor its high heat generation. In contrast, RH TRU can be highly radioactive, with surface dose rates up to 10 Sv/h (1000 rem/h). The United States currently permanently disposes of TRU generated from defense nuclear activities at the Waste Isolation Pilot Plant, a deep geologic repository. Other countries do not include this category, favoring variations of High, Medium/Intermediate, and Low Level waste.
  • TRU廃棄物(TRUはいきぶつ、英: TRans-Uranic waste)とは、原子番号がウランの92番よりあとの元素を構成する核種(超ウラン元素)を含む放射性廃棄物を言う。いわゆる低レベル放射性廃棄物に分類される。 日本においては、TRU廃棄物のうちの長寿命放射性核種を多く含む廃棄物は、高レベル放射性廃棄物同様に地層処分されることとなっており、放射能の強さに応じて適切な深度への処分が行われる計画である。
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