Page 72 - Radiation Safety
P. 72

EXERCISE 2














                                  What is the dose rate from a gamma source at 8 m, if


                                                                                               -1
                                  a reading at 2 m is 2 mSv.hr ?










                                    A             125 µSv.hr              -1                      I /I = (d / d )                             2

                                                                                                                            2
                                                                                                    1 2
                                                                                                                                         1
                                    B             250 µSv.hr              -1

                                                                                                                 2
                                    C             400 µSv.hr              -1                     I (d ) = I (d )                            2
                                                                                                                                       2
                                                                                                                             2
                                                                                                   1
                                                                                                            1
                                    D             1200 µSv.hr                -1












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