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Keith S, Faroon O, Roney N, et al. Toxicological Profile for Uranium. Atlanta (GA): Agency for Toxic Substances and Disease Registry (US); 2013 Feb.

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Toxicological Profile for Uranium.

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Table D-6Comparison of Common and SI Units for Radiation Quantities

Quantity
(Abbreviation)
Historical
Unit
Historical
Definition
SI unitSI
Definition
Activity (A)curie (Ci)3.7×1010 transformations s−1becquerel (Bq)s−1
Absorbed dose (D)rad (rad)10−2 Jkg−1gray (Gy)Jkg−1
Absorbed Dose Rate (Ď)rad per second (rad s−1)10−2 Jkg−1s−1gray per second (Gy s−1)Jkg−1 s−1
Equivalent Dose (or Dose equivalent) (HT)rem10−2 Jkg−1sievert (Sv)Jkg−1
Equivalent Dose Rate (or Dose equivalent rate)rem per second (rem s−1)10−2 Jkg−1s−1sievert per second (Sv s−1)Jkg−1 s−1
Effective dose (or Effective Dose Equivalent) (HE)rem10−2 Jkg−1sievert (Sv)Jkg−1
Linear energy transfer (LET)kiloElectron Volts per micrometer (keV µm−1)1.602×10−10 Jm−1kiloElectron Volts per micrometer (keV µm−1)1.602×10−10 Jm−1

Jkg−1 = Joules per kilogram; Jkg−1s−1 = Joules per kilogram per second; Jm−1 = Joules per meter; s−1 = per second

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