Joint Committee for Guides in Metrology (JCGM) Guides

  • Guide to the Expression of Uncertainty in Measurement (known as the GUM); and
  • International Vocabulary of Metrology – Basic and General Concepts and Associated Terms (known as the VIM).

CALA Example Internal Calibration Workbook

Example Chemistry Measurement Uncertainty Calculations

Please note th​at cells M13 and M16 of the “Pb in Paint” tabbed worksheet had a formula incorrectly entered. The worksheet has been corrected and any affected values have been indicated by red font.

Example Microbiology Measurement Uncertainty Calculations

Plea​se note that the original column I (CV of the pair) of the “culturable analyses” tabbed worksheet had a formula incorrectly entered. The worksheet has been corrected and any affected values have been highlighted in yellow.​