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On the IFA's online portal for proficiency testing, you can register for the test of your choice after initial registration:
There is a limited number of sample ports to load the sample tubes. Upon reaching the maximum number of participants we reserve the right to terminate the registration prematurely. On request you can be put on the waiting list if a PT is fully booked.
| PT scheme | Date/Venue | Participation fee |
| Aldehydes | November 2026 | 1050 € including 5 sample carriers of your choice plus postage & packing (see below) |
| Aldehydes with own sampling | 1st date: 17.-18. November 2026 2nd date: 18.-19. November 2026 IFA, Sankt Augustin | 700 € 700 € |
| Test PT scheme direct-reading measuring instruments | 6.-7. October 2026 IFA, Sankt Augustin | 300 € |
| Test PT scheme diisocyanates on filters | April / May 2026 | 300 € including 10 sample carriers of your choice plus postage & packing (see below) |
| Organic solvents | February / March 2026 | 890 € plus postage & packing (see below) |
| Organic solvents with own sampling | 24.-25. February 2026 IFA, Sankt Augustin | 700 € |
| Volatile organic compounds (VOC) with thermal desorption | June 2026 | 950 € Plus value added tax, shipping costs and any applicable customs duties (see below) |
| Volatile organic compounds (VOC) with thermal desorption with own sampling | 16. June 2026 IFA, Sankt Augustin | 700 € |
| For the PT schemes without own sampling, the following additional rate for shipping costs applies: | |
| Germany | 15 € |
| EU | 30 € |
| Non-EU countries | 50 € |
| Overseas | 75 € |
| In order to avoid delays in sample shipping, PT samples will only be sent by express. | |
Please note that we will charge you for any customs fees that may arise when sending sample carriers to us. These will be listed separately on the invoice for the individual PT scheme.
The registration for the PT schemes with own sampling is valid for only one person per participating company or institution. If you would like to participate with more than one person, please contact us in advance.
The proficiency testing schemes for Inorganic acids and Metals on filters will not be offered in 2026 but will be offered again in 2027.
The proficiency test for high-molecular polycyclic aromatic hydrocarbons will no longer be offered for the time being.
Department Chemical and Biological Hazards
Krista Gusbeth
Max Hasenbeck
Franziska Nürnberger
Ronja Schneck
