EA LC WG ILC (Working Group of the Laboratory Committee for Inter-laboratory Comparisons of the European co-operation for Accreditation) usually uses the existing PT schemes in order to assess the comparability of the laboratories of the EA members.
Therefore, the following PT scheme is recommended: Priority pesticides in surface water (AQS Baden-Württemberg) PT 6/12 WFD
All the necessary information related to this scheme and the application form can be found at the following address:
Final deadline for submission of applications is 17.08.2012.
On-line application link is as follows