text: The US Nuclear Regulatory commission defines some non-SI quantities for the calculation of committed dose for use only within the US regulatory system. They carry different names to those used within the International ICRP radiation protection system, thus:
  *Committed dose equivalent (CDE) is the equivalent dose received by a particular organ or tissue from an internal source, without weighting for tissue sensitivity. This is essentially an intermediate calculation result that cannot be directly compared to final dosimetry quantities
  *Committed effective dose equivalent (CEDE) as defined in Title 10, Section 20.1003, of the Code of Federal Regulations of the USA the CEDE dose (HE,50) is the sum of the products of the committed dose equivalents for each of the body organs or tissues that are irradiated multiplied by the weighting factors (WT) applicable to each of those organs or tissues.
  Confusion between US and ICRP dose quantity systems can arise because the use of the term "dose equivalent"  has been used  within the ICRP system since 1991 only for quantities calculated using the value of Q (Linear energy transfer - LET), which the ICRP calls "operational quantities". However within the US NRC system "dose equivalent" is still used to name quantities which are calculated with tissue and radiation weighting factors, which in the ICRP system are now known as the "protection quantities" which are called "effective dose" and "equivalent dose".