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426     Fundamentals of Magnetic Thermonuclear Reactor Design



              TABLE A.14.1.3 Criteria for Using Urgent Protective Measures in the First
              10 Days of a Radiation Emergency [9]

                                   Avertable dose for the first 10 days (mGy)
                          For the whole body        Thyroid gland, lungs, skin
              Protective
              Measures    Level A      Level B      Level A     Level B
              Sheltering  5            50           50          500
              Iodine prophylaxis
                Adults    –            –            250 a       2500 a
                Children  –            –            100 a       1000 a
              Evacuation  50           500          500         5000

              a For the thyroid gland only.





              TABLE A.14.1.4 Classes of Solid and Liquid Radioactive Waste [11]
                                         Specific activity (Bq/g)
                                                   Alpha-
                                                   radiating
                                     Beta-radiating   radionuclides
                                     radionuclides   (except
              Radwaste               (except       transuranic   Transuranic
              Class       Tritium    tritium)      radionuclides)  radionuclides
              Solid waste
              Very low    <1 × 10 7  <1 × 10 3     <100         <10
              active
                                              3
                                  7
              Low-active  From 1 × 10    From 1 × 10    From 100 to   From 10
                          to 1 × 10 8  to 1·10 4   1000         100
                                                                         2
              Medium-     From 1 × 10    From 1 × 10    From 1 × 10    From 1 × 10
                                                           3
                                              4
                                  8
              active      to 1 × 10 11  to 1 × 10 7  to 1 × 10 6  to 1 × 10 5
              High-active  >1 × 10 11  >1 × 10 7   >1 × 10 6    >1 × 10 5
              Liquid waste
              Low-active  <1 × 10 4  <1 × 10 3     <100         <10
              Medium-     From 1 × 10    From 1 × 10    From 1 × 10    From 10 to
                                                           2
                                  4
                                              3
              active      to 1 × 10 8  to 1 × 10 7  to 1 × 10 6  1 × 10 5
              High-active  >1 × 10 8  >1 × 10 7    >1 × 10 6    >1 × 10 5
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