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Round November 2025

Round November 2025 — Registration Deadline: 17/10/2025 Despatch Samples: 03/11/2025 Reporting Deadline: 28/11/2025 Final Report: 16/12/2025

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Proficiency Testing (PT): Hidrocarbon oil index according to standard ISO 9377-2 (Round November 2025)
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Proficiency Testing (PT): Pesticides in natural waters (Round November 2025)
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Proficiency Testing (PT): Polycyclic Aromatic Hydrocarbons (PAHs) in natural waters (Round November 2025)
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Proficiency Testing (PT): Volatile Organic Compounds (VOCs) in natural waters (Round November 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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