Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Diluents and selective medium
6 Apparatus and glassware
7 Sampling
8 Preparation of test sample
9 Procedure
10 Expression of results
11 Precision
12 Test report
Annex A (informative) - Notes on procedure
Annex B (informative) - Results of the interlaboratory
study
Bibliography