This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards Guides and Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT)Committee. Designation:D8428-21 INTERNATIONAL Standard Guide for Establishing Analyst Competence to Perform a Test Method1 This standard is issued under the fixed designation D8428:the number immediately following the designation indicates the year of original adoption or.in the case of revision.the year of last revision.A number in parentheses indicates the year of last reapproval.A superseript epsilon (s)indicates an editorial change since the last revision or reapproval. 1.Scope 2.Referenced Documents 1.1 This guide covers general guidance on assessing the 2.1 ASTM Standards:2 petence of an analyst to perform a specific test method for D6299 Practice for Applying Statistical Quality Assurance a specific product or set of products (for example light and Control Charting Techniques to Evaluate Analytical distillates).It also provides guidance on some of the possible Measurement...