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Round October 2025

Round October 2025 — Registration Deadline: 26/09/2025 Despatch Samples: 13/10/2025 Reporting Deadline: 07/11/2025 Final Report: 24/11/2025

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Proficiency Testing (PT): Leaching test according to standard EN 12457-2 (Round October 2025)
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Proficiency Testing (PT): Metals in contaminated soils (Round October 2025)
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Proficiency Testing (PT): Metals in natural waters (Round October 2025)
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Proficiency Testing (PT): Metals in sewage sludge (Round October 2025)
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Proficiency Testing (PT): Metals in wastewaters (Round October 2025)
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Proficiency Testing 2025

Round February 2025
Round March 2025
Round April 2025
Round May 2025
Round September 2025
Round October 2025
Round November 2025

Proficiency Testing Categories

Chemical parameters (Major Components)
EN 12457-2 & ISO 9377-2
Metals (Trace elements)
Organic compounds
Microbiology parameters

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