Editing Metrology (section)

=== Joint Committee for Guides in Metrology ===

The [[Joint Committee for Guides in Metrology]] (JCGM) is a committee which created and maintains two metrology guides: ''Guide to the expression of uncertainty in measurement'' (GUM)<ref name=GUM>[http://www.bipm.org/utils/common/documents/jcgm/JCGM_100_2008_E.pdf JCGM 100:2008. Evaluation of measurement data – Guide to the expression of uncertainty in measurement, Joint Committee for Guides in Metrology.] {{webarchive|url=https://web.archive.org/web/20091001153550/http://www.bipm.org/utils/common/documents/jcgm/JCGM_100_2008_E.pdf |date=2009-10-01 }}</ref> and ''International vocabulary of metrology – basic and general concepts and associated terms'' (VIM).<ref name= VIM/> The JCGM is a collaboration of eight partner organisations:<ref name="JCGM-Charter">{{cite book|title=Charter Joint Committee for Guides in Metrology (JCGM)|date=10 December 2009|publisher=Joint Committee for Guides in Metrology|url=http://www.bipm.org/utils/en/pdf/JCGM-charter.pdf|access-date=24 March 2017|url-status=live|archive-url=https://web.archive.org/web/20151024122615/http://www.bipm.org/utils/en/pdf/JCGM-charter.pdf|archive-date=24 October 2015}}</ref>
* International Bureau of Weights and Measures (BIPM)
* [[International Electrotechnical Commission]] (IEC)
* [[International Federation of Clinical Chemistry and Laboratory Medicine]] (IFCC)
* [[International Organization for Standardization]] (ISO)
* [[International Union of Pure and Applied Chemistry]] (IUPAC)
* [[International Union of Pure and Applied Physics]] (IUPAP)
* International Organization of Legal Metrology (OIML)
* International Laboratory Accreditation Cooperation (ILAC)

The JCGM has two working groups: JCGM-WG1 and JCGM-WG2. JCGM-WG1 is responsible for the GUM, and JCGM-WG2 for the VIM.<ref>{{cite web|title=Joint Committee for Guides in Metrology (JCGM)|url=http://www.bipm.org/en/committees/jc/jcgm/|publisher=Bureau International des Poids et Mesures|access-date=24 March 2017|url-status=live|archive-url=https://web.archive.org/web/20170512161807/http://www.bipm.org/en/committees/jc/jcgm/|archive-date=12 May 2017}}</ref> Each member organization appoints one representative and up to two experts to attend each meeting, and may appoint up to three experts for each working group.<ref name="JCGM-Charter"/>