The work item involves a major revision to Practice C802-9a. Terminology will be revised to be consistent with terminology in the companion Practice C670-13. The method for checking data consistency will be changed to the method used in Practice E691. The example used to illustrate ILS data analysis will be revised to be more representative of a typical data set from an ILS. A new Appendix will be added to deal with test methods that involve the use of test results from more than one batch of a cementitious mixture. Another new Appendix will cover the use of ANOVA to analyze ILS data.
KeywordsConstruction materials; Interlaboratory testing--construction materials; Precision--construction materials test methods; Testing and inspection agencies--cement/concrete ;