1. EUROPEAN UNION COMMUNITY REFERENCE LABORATORIES
CRL PROFICIENCY TESTS
EUROPEAN UNION COMMUNITY REFERENCE LABORATORIES

2. Introduction
Proficiency testing is one of the key activities of the EU CRL.
Our task is to prepare test- or reference materials for proficiency tests and Quality Control.

3. General topics. Production of the samples.
Method for screening and confirmation.
Stability study.
Homogeneity and reproducibility.

4. Production of samples. The use of Incurred material.
Collection of samples.
Preparing samples.

5. Diagram of the excretion after treatment.
The excretion of 17-, 17-nortestosterone and 17-, 17-Boldenone, after treatment.

6. Christ Epsilon 2 Freeze-dryer.

7. Method for screening and confirmation.
It’s important to give proof that:
Reconstruction of the samples according to the protocol.
Each must use his own method.
Calibration of the method.
The purity of the solvent and reagents.
All results must be reported and archieved.

8. Thank you for your attention.