08092 IUPAC Gold Book - out-of-control criteria 10.1351/goldbook.08092 08092 current 1 Set of decision rules for identifying the presence of special causes. Decision rules may include those relating to measured quantity values inside and outside of control limits in a control chart. They cover runs, trends, cycles, periodicity, concentration of points near the centre line or control limits, unusual spread of points within control limits (large or small dispersion), and relationships among values within subgroups. Examples of decision rules and guidelines for the daily interpretation of a control chart are provided by Nordtest. control chart https://goldbook.iupac.org//terms/view/08068 control limits https://goldbook.iupac.org//terms/view/08069 PAC, 2021, 93, 997. 'Metrological and quality concepts in analytical chemistry (IUPAC Recommendations 2021)' on page 1031 (https://doi.org/10.1515/pac-2019-0819) https://goldbook.iupac.org/terms/view/08092/html https://goldbook.iupac.org/terms/view/08092/json https://goldbook.iupac.org/terms/view/08092/plain Citation: 'out-of-control criteria' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.08092 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-05-30T09:39:14+00:00