Proficiency Testing (PT): Hidrocarbon oil index according to standard ISO 9377-2 (Round April 2026)
The management of this proficiency testing fully complies with the requirements of ISO/IEC 17043:2023: Conformity assessment — General requirements for the competence of proficiency testing providers.
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Proficiency Testing (PT): Metals in wastewaters (Round October 2026)
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Proficiency Testing (PT): Metals in natural waters (Round October 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): Metals in natural waters (Round March 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 wastewaters (Round March 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): Pesticides in natural waters (Round November 2026)
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Proficiency Testing (PT): Volatile Organic Compounds (VOCs) in natural waters (Round November 2026)
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Proficiency Testing (PT): Pesticides in natural waters (Round April 2026)
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Proficiency Testing (PT): Polycyclic Aromatic Hydrocarbons (PAHs) in natural waters (Round April 2026)
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Proficiency Testing (PT): Metals in contaminated soils (Round October 2026)
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Proficiency Testing (PT): Microbiological parameters in drinking water (Round February 2026)
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Proficiency Testing (PT): Metals in sewage sludge (Round October 2026)
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Proficiency Testing (PT): Metals in sewage sludge (Round March 2026)