Figure: 25 TAC §289.201(n)(2)

 

                        MEAN QUALITY FACTORS, Q, AND FLUENCE PER UNIT
                        DOSE EQUIVALENT FOR MONOENERGETIC NEUTRONS

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        Fluence per Unit    Fluence per Unit
                     Neutron Quality        Dose Equivalent*    Dose Equivalent*
                     Energy Factor**         (neutrons      (neutrons
                     (MeV) (Q)         cm-2rem-1)       cm-2Sv-1)

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(thermal)    2.5 x 10-8 2 980 x 106 980 x 108
                     1.0 x 10-7 2 980 x 106 980 x 108
                     1.0 x 10-6 2 810 x 106 810 x 108 
                     1.0 x 10-5 2 810 x 106 810 x 108
                     1.0 x 10-4 2 840 x 106 840 x 108
                     1.0 x 10-3 2 980 x 106  980 x 108
                     1.0 x 10-2 2.5 1,010 x 106 1,010 x 108
                     1.0 x 10-1 7.5 170 x 106 170 x 108
                     5.0 x 10-1 11 39 x 106  39 x 108
                     1.0 11 27 x 106 27 x 108
                     2.5 9 29 x 106 29 x 108
                     5.0 8 23 x 106 23 x 108
                     7.0 7 24 x 106 24 x 108
                     10 6.5 24 x 106  24 x 108
                     14 7.5 17 x 106 17 x 108
                     20 8 16 x 106 16 x 108
                     40 7 14 x 106  14 x 108
                     60 5.5 16 x 106 16 x 108
                     1.0 x 102 4 20 x 106 20 x 108
                     2.0 x 102 3.5 19 x 106 19 x 108
                     3.0 x 102 3.5 16 x 106 16 x 108
                     4.0 x 102 3.5 14 x 106 14 x 108

                            

*Monoenergetic neutrons incident normally on a 30-centimeter diameter cylinder tissue-equivalent phantom.

**Value of quality factor (Q) at the point where the DE is maximum in a 30-centimeter diameter cylinder tissue-equivalent phantom.

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