Proficiency Testing Schemes 2026
Customize your participation in the Interlaboratory Proficiency Testing Schemes, choosing the parameters in the marix of you interst and the period in which you want to participate. Only pay for parameters you need!
Round May 2026 (Registration Deadline: 24/04/2026)
Despatch Samples: 11/05/2026 Reporting Deadline: 05/06/2026 Final Report: 22/06/2026
Round September 2026 (Registration Deadline: 04/09/2026)
Despatch Samples: 21/09/2026 Reporting Deadline: 16/10/2026 Final Report: 02/11/2026
Round October 2026 (Registration Deadline: 25/09/2026)
Despatch Samples: 12/10/2026 Reporting Deadline: 06/11/2026 Final Report: 23/11/2026
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Proficiency Testing (PT): Leaching test according to standard EN 12457-2 (Round October 2026)
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Proficiency Testing (PT): Metals in contaminated soils (Round October 2026)
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Proficiency Testing (PT): Metals in natural waters (Round October 2026)
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Proficiency Testing (PT): Metals in sewage sludge (Round October 2026)
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Proficiency Testing (PT): Metals in wastewaters (Round October 2026)
Round November 2026 (Registration Deadline: 16/10/2026)
Despatch Samples: 02/11/2026 Reporting Deadline: 27/11/2026 Final Report: 15/12/2026
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Proficiency Testing (PT): Hidrocarbon oil index according to standard ISO 9377-2 (Round November 2026)
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Proficiency Testing (PT): Pesticides in natural waters (Round November 2026)
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Proficiency Testing (PT): Polycyclic Aromatic Hydrocarbons (PAHs) in natural waters (Round November 2026)
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Proficiency Testing (PT): Volatile Organic Compounds (VOCs) in natural waters (Round November 2026)