Foreword <br>Introduction<br>1 Scope <br>2 Summary of procedures for evaluating and <br> reporting uncertainty and characteristic limits <br>3 Normative references <br>4 Terms and definitions <br>5 Quantities and symbols <br>6 Evaluation of a measurement on the basis of <br> GUM Supplement <br>7 PDF for an assumed true value of the <br> measurand <br>8 Decision threshold, detection limit and <br> assessments <br>9 Limits of the coverage interval <br>10 The best estimate and its associated <br> standard uncertainty <br>11 Documentation <br>Annex A (normative) - Measurements with low <br> count numbers <br>Annex B (informative) - Explanatory Notes <br>Bibliography