Modification and Application of Hazard Classification Method for Nuclear Fuel Cycle Facilities Based on DOE-STD-1027

QUE Ji; LIAO Yun-xuan; LI Xiao-long; HE Wei; SONG Feng-li; LV Dan; ZHAO Shan-gui; SHEN Hong; YANG Xiao-wei

doi:10.7538/yzk.2016.50.04.0751

Atomic Energy Science and Technology > 2016 > 50(4): 751-756. > DOI: 10.7538/yzk.2016.50.04.0751

QUE Ji, LIAO Yun-xuan, LI Xiao-long, HE Wei, SONG Feng-li, LV Dan, ZHAO Shan-gui, SHEN Hong, YANG Xiao-wei. Modification and Application of Hazard Classification Method for Nuclear Fuel Cycle Facilities Based on DOE-STD-1027[J]. Atomic Energy Science and Technology, 2016, 50(4): 751-756. DOI: 10.7538/yzk.2016.50.04.0751

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Modification and Application of Hazard Classification Method for Nuclear Fuel Cycle Facilities Based on DOE-STD-1027

Nuclear and Radiation Safety Center, Ministry of Environmental Protection, Beijing 100082, China

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The hazard classification method of nonreactor nuclear facilities in DOE-STD-1027 was outlined, and the problems were analyzed in the process of the hazard classification method used in nuclear fuel cycle facilities, which were that the release fractions were not conservative and dose conversion coefficients were outdated. A modification method was proposed, and the release fractions in DOE-HDBK-3010-94 or NUREG/CR 6410 and dose conversion coefficients in latest ICRP publications were used to recalculate the thresholds in this method. Based on the new method, hazard category 2 radionuclide thresholds were obtained, which are applicable to heavy water reactor nuclear fuel manufacturing facilities and UF₆ handling facilities.
- hazard classification,
- nuclear fuel cycle,
- threshold,
- optimization of protection

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