Definition: | the product of D, Q and N at the point of interest in tissue, where D is the absorbed dose, Q is the quality factor and N is the product of all other modifying factors
H= DQN
NOTE 1 – — The SI unit of dose equivalent is joule per kilogram and is given the special name sievert Thearlier special unit of dose equivalent, still in temporary use, was the rem.
1 Sv = 100 rem
= 1J • kg-1
NOTE 2 – Dose equivalent is used only for radiation protection purposes and only for values of H up to the order of the applicable dose equivalent limit.
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