제19921호                            관              보                 2021. 1. 18.(월요일)
                                                      면제물질에 대한         면제운반물에 대한
   핵종(원자번호)           A1 (TBq)         A2 (TBq)
                                                      방사능 농도(Bq/g)     방사능 제한치(Bq)
                              1             1                 3                8
 Mo-93               4 × 10        2 × 10              1 × 10           1 × 10
                            0             -1                  2                6
 Mo-99 (a)           1 × 10        6 × 10              1 × 10           1 × 10
 Nitrogen (7)
                              -1            -1                  2                9
 N-13                9 × 10        6 × 10              1 × 10           1 × 10
 Sodium (11)
                              -1            -1                  1                6
 Na-22               5 × 10        5 × 10              1 × 10           1 × 10
                            -1            -1                  1                5
 Na-24               2 × 10        2 × 10              1 × 10           1 × 10
 Niobium (41)
                              1             1                   4                7
 Nb-93m              4 × 10        3 × 10              1 × 10           1 × 10
                            -1            -1                  1                6
 Nb-94               7 × 10        7 × 10              1 × 10           1 × 10
                            0             0                   1                6
 Nb-95               1 × 10        1 × 10              1 × 10           1 × 10
                            -1            -1                  1                6
 Nb-97               9 × 10        6 × 10              1 × 10           1 × 10
 Neodymium (60)
                              0             -1                  2                6
 Nd-147              6 × 10        6 × 10              1 × 10           1 × 10
                            -1            -1                  2                6
 Nd-149              6 × 10        5 × 10              1 × 10           1 × 10
 Nickel (28)
                              -1            -1                  1                6
 Ni-57               6 × 10        6 × 10              1 × 10           1 × 10
                                                              4                8
 Ni-59               제한없음          제한없음                1 × 10           1 × 10
                            1             1                   5                8
 Ni-63               4 × 10        3 × 10              1 × 10           1 × 10
                            -1            -1                  1                6
 Ni-65               4 × 10        4 × 10              1 × 10           1 × 10
 Neptunium (93)
                              1             1                   3                7
 Np-235              4 × 10        4 × 10              1 × 10           1 × 10
                            1             0                   3                7
 Np-236 (단반감기)       2 × 10        2 × 10              1 × 10           1 × 10
                            0             -2                  2                5
 Np-236 (장반감기)       9 × 10        2 × 10              1 × 10           1 × 10
                            1             -3                  0                3
 Np-237              2 × 10        2 × 10              1 × 10 (b)       1 × 10 (b)
                            0             -1                  2                7
 Np-239              7 × 10        4 × 10              1 × 10           1 × 10
 Osmium (76)
                              0             0                   1                6
 Os-185              1 × 10        1 × 10              1 × 10           1 × 10
                            1             0                   2                7
 Os-191              1 × 10        2 × 10              1 × 10           1 × 10
                            1             1                   3                7
 Os-191m             4 × 10        3 × 10              1 × 10           1 × 10
                            0             -1                  2                6
 Os-193              2 × 10        6 × 10              1 × 10           1 × 10
                            -1            -1                  2                5
 Os-194 (a)          3 × 10        3 × 10              1 × 10           1 × 10
 Phosphorus (15)
                              -1            -1                  3                5
 P-32                5 × 10        5 × 10              1 × 10           1 × 10
                            1             0                   5                8
 P-33                4 × 10        1 × 10              1 × 10           1 × 10
 Protactinium (12)
                              0             -2                  1                6
 Pa-203 (a)          2 × 10        7 × 10              1 × 10           1 × 10
                            0             -4                  0                3
 Pa-231              4 × 10        4 × 10              1 × 10           1 × 10
                            0             -1                  2                7
 Pa-233              5 × 10        7 × 10              1 × 10           1 × 10
 Lead (82)
                              0             0                   1                6
 Pb-201              1 × 10        1 × 10              1 × 10           1 × 10
                            1             1                   3                6
 Pb-202              4 × 10        2 × 10              1 × 10           1 × 10
                            0             0                   2                6
 Pb-203              4 × 10        3 × 10              1 × 10           1 × 10
                                                              4                7
 Pb-205              제한없음          제한없음                1 × 10           1 × 10
                            0             -2                  1                4
 Pb-210 (a)          1 × 10        5 × 10              1 × 10 (b)       1 × 10 (b)
                            -1            -1                  1                5
 Pb-212 (a)          7 × 10        2 × 10              1 × 10 (b)       1 × 10 (b)
 Palladium (46)
                              1             1                   3                8
 Pd-103 (a)          4 × 10        4 × 10              1 × 10           1 × 10
                                                              5                8
 Pd-107              제한없음          제한없음                1 × 10           1 × 10
                            0             -1                  3                6
 Pd-109              2 × 10        5 × 10              1 × 10           1 × 10
 Promethium (61)
                              0             0                   2                6
 Pm-143              3 × 10        3 × 10              1 × 10           1 × 10
                            -1            -1                  1                6
 Pm-144              7 × 10        7 × 10              1 × 10           1 × 10
                            1             1                   3                7
 Pm-145              3 × 10        1 × 10              1 × 10           1 × 10
                            1             0                   4                7
 Pm-147              4 × 10        2 × 10              1 × 10           1 × 10


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