NUCLEAR TECHNIQUES, Volume. 46, Issue 1, 010006(2023)
Research on methodology of radioactive materials
Figures & Tables(3)
Table 1. The allocation of United Nations Numbers
View tableView in ArticleTable 1. The allocation of United Nations Numbers
类型Type 名称Name 联合国编码UN Number 放射性物品Radioactive material 低比活度放射性物品 Low specific activity material UN2912、UN3321、UN3322、UN3323、UN3325 表面污染物体Surface contaminated object UN2913、UN3326 六氟化铀 Uranium hexafluoride UN2977、UN2978 货包 Package 例外货包 Excepted package UN2908、UN2909、UN2910、UN2911、UN3507 A型货包 Type A package UN2915、UN3327、UN3332、UN3333 B型货包 Type B package UN2916、UN3328、UN2917、UN3329 C型货包Type C package UN3323、UN3330 运输Transportation 特殊安排 Special arrangement UN2919、UN3331
Table 2. Comparison of classification limits and A1 values of several radionuclide radioactive sources
View tableView in ArticleTable 2. Comparison of classification limits and A1 values of several radionuclide radioactive sources
核素Radionuclide I类源Type Ⅰ radioactive source / Bq II类源Type Ⅱ radioactive source / Bq III类源Type Ⅲ radioactive source/ Bq IV类源Type Ⅳ radioactive source/ Bq V类源Type Ⅴ radioactive source / Bq A1 / Bq 242Cm ≥4×1013 ≥4×1011 ≥4×1010 ≥4×108 ≥1×105 4×1013 60Co ≥3×1013 ≥3×1011 ≥3×1010 ≥3×108 ≥1×105 4×1011 99Mo ≥3×1014 ≥3×1012 ≥3×1011 ≥3×109 ≥1×106 1×1012 55Fe ≥8×1017 ≥8×1015 ≥8×1014 ≥8×1012 ≥1×106 4×1013
Table 3. Classification framework of radioactive material
View tableView in ArticleTable 3. Classification framework of radioactive material
分类Classification 货包Package 放射性物品Radioactive material 联合国编号 UN Number 一类Type I B型货包Type B package 大于A1与A2的放射性物品Radioactive material greater than A1 and A2 UN2916、UN2917 C型货包Type C package 大于3 000A1或105A2（特殊形式）、A2（非特殊形式）Greater than 3 000A1 or 105A2 for special form radioactive material; greater than 3 000A1 for nonspecial form radioactive material UN3323 易裂变货包（AF、IF、B（U）F、B（M）F、CF）Fissile package (AF, IF, B (U) F, B (M) F, CF) 易裂变放射性物品、易裂变II/III类低比活度放射性物品、特殊安排运输的易裂变放射性物品、易裂变六氟化铀
Fissile radioactive material, fissile group II/III low specific activity radioactive material, fissile radioactive material transported under special arrangements, fissile uranium hexafluoride
UN2977、UN3324、UN3325、UN3326、UN3327、UN3328、UN3329、UN3330、UN3331、UN3333 六氟化铀Uranium hexafluoride 大于或等于0.1 kg的六氟化铀Uranium hexafluoride greater than or equal to 0.1 kg UN2978 特殊安排Special arrangement 需要特殊安排装运的放射性物品Radioactive materials requiring special arrangements for shipment UN2919 二类Type II A型货包Type A package 小于或等于A1与A2值的放射性物品Radioactive material less than or equal to A1 and A2 UN2915、UN3332 2型工业货包、3型工业货包Industrial package Type 2; industrial package Type 3 II类低比活度放射性物品Group II of low specific activity radioactive material UN3321 2型工业货包、3型工业货包Industrial package Type 2; industrial package Type 3 III类低比活度放射性物品Group III low specific activity radioactive material UN3322 三类Type III 例外货包Type III 有限量的放射性物品、小于0.1 kg的六氟化铀、天然铀或贫化铀或天然钍的制品、含有放射性物质的仪器或制品等
Radioactive material in limited quantities, less than 0.1 kg of
uranium hexafluoride, natural uranium, depleted uranium or natural thorium, radioactive material which is enclosed in or is included as a component part of an instrument or other manufactured article
UN2908、UN2909、UN2910、UN2911、UN3507 1型工业货包、2型工业货包Industrial package Type 1; industrial package Type 2 I类低比活度放射性物品Group I low specific activity radioactive material UN2912 1型工业货包、2型工业货包Industrial package Type 1; industrial package Type 2 I、II类放射性表面污染Group I and II of the surface contaminated object UN2913
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Lechang ZHAN, Jie BAO, Huijie HAO, Zhe HONG. Research on methodology of radioactive materials[J]. NUCLEAR TECHNIQUES, 2023, 46(1): 010006
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Category: Research Articles
Received: Sep. 15, 2022
Accepted: --
Published Online: Feb. 17, 2023
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