1 – Scheme overview

This External Quality Assessment program verifies the accuracy of quantitative methods.

It can also be used to assess the performance of qualitative or semi-quantitative tests.

2 – Assessment frequency

Number of investigations per year: 4
Number of control samples per investigation: 1 or 2
Number of samples per year : 6

3 – List of analytes assessed

• Urine cotinine (Quantitative and qualitative)

4 – Description of the control samples

Lyophilized human control urines (samples to be resuspended in 1.5 mL of distilled water).