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Overview of the Decision Rule – ISO/IEC 17025:2017 Requirements and Examples of Implementation

It has been more than two years since the 2017 revision of ISO/IEC 17025 went into effect. One of the more significant changes in the standard are several requirements associated with the decision rule, which is defined in ISO/IEC 17025:2017 as a “rule that describes how measurement uncertainty is accounted for when stating conformity with a specified requirement.” Many calibration and testing laboratories still wrestle with implementation of these requirements. This 2-part webinar will discuss various aspects of the decision rule.

Part 1 – What’s the big fuss about the decision rule?
Will examine what is meant by the decision rule, why it is so important, and what the ISO/IEC 17025 2017 standard requires from the lab and its customers when conformity statements are expected to be made as part of a calibration or test report.

Part 2 - Examples of frequently used decision rules
Discuss various decision rule examples that are frequently employed by laboratories.
Helga Alexander
Program Manager for Calibration Laboratory Accreditation for International Accreditation Service (IAS). She is responsible for assessments, maintenance, renewals and other activities related to calibration laboratories pursuing IAS accreditation to the ISO/IEC 17025 standard.  She is also responsible for providing training or the new ISO/IEC 17025:2017 version of the standard, measurement uncertainty and for the successful transitioning of all accredited IAS laboratories to the new standard. She is a member of the ILAC Metrology Working Group, and a provisional evaluator for the Asia Pacific Accreditation Cooperation (APAC).

In previous roles, Ms. Alexander served as Quality Systems Manager for Southern Research in Birmingham, Alabama, and Metrology Manager for Keithley Instruments in Cleveland, Ohio, where she implemented the ISO/IEC 17025 standard in the primary standards laboratory.