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For a good outcome of an investigation of production failures it is recommended to have one person in charge (or one fixed team of experts) that deal with the issue. Let us call it a task force (even if the task force is only one person) and all results should be reported to this task force manager (TFM). Why is this so important? Because it saves money and time! If a bunch of people work on the issue without a coordinator gathering and evaluating the information about results of practical tests and/or analytical methods important results may be suppressed and/or wrong results or test outcomes maybe overestimated. This shows that the TFM has a great responsibility and needs certain competences:

 The competence to evaluate data and practical production tests as well as statistical impacts.

 The competence to design experiments, tests and analytical procedures that lead to effective results.

 The support by the management.

 Sufficient time and manpower to do his job. This means for a limited time of the project it should be his absolute priority.

 Access to all areas which are relevant for the issue.

Last but not least, the TFM should be encouraged to adopt the role of an inspector having a critical view on each process and production step.

The sampling plays an important role in the whole process. Therefore, the role of the sampling process will be discussed in the following chapter.