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Central Calibration Laboratories

Central Calibration Laboratories (CCLs) in the GAW Programme are assigned for most of the measured parameters. The main tasks of the calibration laboratories is to hosts WMO World Reference Standards and reference scales.

Terms of Reference for GAW Central Calibration Laboratories (CCLs)

  • Host in the long term (many decades) the GAW primary standard and scale for a
    particular variable.
  • Serve the needs of the other quality assurance facilities and activities of GAW.
  • Prepare or commission laboratory standards required by the GAW network members for calibration purposes.
  • Supply well-calibrated air to GAW analytical laboratories as needed for conducting
    inter-comparisons (in collaboration with the World or Regional Calibration Centres).

All CCLs can be found under "Central Facilities"




World Meteorological Organization, 7bis, avenue de la Paix, CP No. 2300, CH-1211 Geneva 2, Switzerland - Tel.: +41(0)22 730 81 11 - Fax: +41(0)22 730 81 81
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