– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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The United Mexican States

The United Mexican States became a Member State in 1890.

In November 2014 the CGPM elected Dr Ismael Castelazo, Director General for Technology Services, CENAM, to the CIPM. Dr Castelazo started his term at the March 2015 session of the CIPM.

Dr Castelazo is President of the Consultative Committee for Length (CCL).

Representatives of the NMIs or designated institutes of the United Mexican States (see CIPM MRA) participate in the following Consultative Committees:

click for list of CCAUV members
click for list of CCEM members
click for list of CCL members
click for list of CCM members
click for list of CCPR members
click for list of CCQM members
click for list of CCT members
click for list of CCTF members

Km 4,5 Carretera a Los Cués
El Marqués
CP 76246 Querétaro
Tel.: + 52 442 211 05 00 to 04
Web: http://www.cenam.mx/
Participating in the CIPM MRA since: 14 October 1999

Signed by: Héctor NAVA-JAIMES (then Director General, CENAM)
  • Centro Nacional de Metrología (CENAM), Querétaro

  • Designated institute(s):
  • For concentration of ozone in ambient air: Instituto nacional de ecología y cambio climático (INECC), Ciudad de México
  • For ionizing radiation: Instituto Nacional de Investigaciones Nucleares (ININ), La Marquesa, Ocoyoacac

  • click to go to the KCDB
  • Internationally recognized Calibration and Measurement Capabilities (CMCs)
  • Participation in key and supplementary comparisons
  • Submission of CMCs through: SIM.

  • Over the last 15 years the United Mexican States has benefited from BIPM comparison and calibration services in the following fields:

    BIPM calibration certificates issued to the United Mexican States and/or its NMI(s)

    Delegates at the meeting of the CGPM in November 2014:
    • Mr Roberto Anaya Moreno (Head of Delegation)
    • Dr Héctor Octavio Nava Jaimes
    • Dr Ismael Castelazo
    Delegates at recent meetings of NMI Directors and State Party Representatives:
    • Dr Ismael Castelazo (18-19 October 2017)
    • Dr Ismael Castelazo (24-25 October 2016)
    • Dr Víctor Jose Lizardi Nieto (24-25 October 2016)
    • Dr Ismael Castelazo (13-14 October 2015)
    Member States
    Related articles
    Notice of Contributions
    Calculating Member State contributions
    List of Member States
    Signatories of the MRA
    Participation in
    keychart and supplementary comparisonschart
    Number of CMCs published per domaintable
    NMI Directors and State Representatives