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Traceability & Uncertainty of Measurements

The following table contains links to assessor training resources relating to the topics of Traceability and Uncertainty. Documents may be viewed and printed using a PDF viewer such as Adobe Reader software.*

To view a topic, click on the title.

NIST Policy on Traceability
ILAC-P10:01/2013, ILAC Policy on Traceability of Measurement Results
ILAC-P14:01/2013, ILAC Policy for Uncertainty in Calibration
APLAC TC010, General Information on Uncertainly of Measurement
GUM: Guide to the Expression of Uncertainty in Measurement
NIST Technical Note 1297, Guidelines for Evaluating and Expressing the
Uncertainty of NIST Measurement Results

* You may download Adobe Reader without charge from the Adobe website. Software is identified in order to assist users of this information service. In no case does such identification imply recommendation or endorsement by the National Institute of Standards and Technology.