Contents The Expression of Uncertainty in Testing [UKAS Publication ref: LAB 12]
1 Introduction 3 2 Definitions 3 3 Reporting and evaluation of uncertainty 3 4 Reasons for evaluating uncertainty 4 5 General principles 4 6 Sources of uncertainty 5 7 Estimation of uncertainty 6 8 Summary of the steps in estimating uncertainty 8 9 Method of stating results 9 10 Assessment of compliance with specification 10 11 Proficiency testing and measurement audit 12 Appendix A Definitions of terms 13