Editing Equivalent dose (section)

==History==
The concept of equivalent dose was developed in the 1950s.<ref>{{cite journal|last=Clarke|first=R.H.|author2=J. Valentin|title=The History of ICRP and the Evolution of its Policies|journal=Annals of the ICRP|year=2009|volume=39|series=ICRP Publication 109|issue=1|pages=75–110|doi=10.1016/j.icrp.2009.07.009|s2cid=71278114 |url=http://www.icrp.org/docs/The%20History%20of%20ICRP%20and%20the%20Evolution%20of%20its%20Policies.pdf|access-date=12 May 2012}}</ref> In its 1990 recommendations, the [[ICRP]] revised the definitions of some radiation protection quantities, and provided new names for the revised quantities.<ref name="ICRP60">{{cite journal|title=1990 Recommendations of the International Commission on Radiological Protection|journal=Annals of the ICRP|year=1991|volume=21|series=ICRP publication 60|issue=1–3|bibcode=1991JRP....11..199V |url=https://archive.org/details/1990recommendati0000inte|access-date=17 May 2012|isbn=978-0-08-041144-6|url-access=registration|last1=Vennart |first1=J. |page=199 |doi=10.1088/0952-4746/11/3/006 |s2cid=250822587 }}</ref> Some regulators, notably the [[International Committee for Weights and Measures]] (CIPM) and the US [[Nuclear Regulatory Commission]] continue to use the old terminology of quality factors and dose equivalent, even though the underlying calculations have changed.<ref name="NRC1004">{{cite book|title=10 CFR 20.1004|year=2009|publisher=US Nuclear Regulatory Commission|url=https://www.nrc.gov/reading-rm/doc-collections/cfr/part020/part020-1004.html}}</ref>