Participation in appropriate proficiency testing schemes which comply with the ‘International Harmonised Protocol for the Proficiency Testing of (Chemical) Analytical Laboratories’ (3) developed under the auspices of IUPAC/ISO/AOAC.
Participation à des programmes de contrôle de l'aptitude conformes à l'«International Harmonised Protocol for the Proficiency Testing of (Chemical) Analytical Laboratories» (3) élaboré sous l'égide de l'IUPAC/ISO/AOAC.