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2019 QualcoDuna Proficiency Testing Scheme launched
2019 QualcoDuna Proficiency Testing Scheme launched
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2025 scheme documents
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Laboratory Testing Instructions
Archive documents
2024 documents
2024 scheme documents
2024 Round I. documents
2024 Round II. documents
2024 Round III. documents
2024 Round IV. documents
Sampling proficiency tests
2023 documents
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2023 Round III. documents
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Sampling proficiency tests
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Archive news
2024 news
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2022 Round I. Sample distribution
2022 Round II. Sample distribution
2022 Round III. Sample distribution
2022 Round IV. Sample distribution
2022. QualcoDuna Proficiency Testing Scheme launched
2021 news
2021 Round IV. Sample distribution
2021 Round III. Sample distribution
2021 Round II. Sample distribution
2021 Round I. Sample distribution
2020 news
2020 Round IV. Sample distribution
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2020 Round II. Sample distribution
2020 Round I. Sample distribution
2020 QualcoDuna Proficiency Testing Scheme launched
2019 news
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2019 Round III. Sample distribution
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2019 Round I. Sample distribution
2019 QualcoDuna Proficiency Testing Scheme launched
2018 news
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2018 Round III. Sample distribution
2018 Round II. sample distribution
2018 Round I. Sample distribution
2018 QualcoDuna Proficiency Testing Scheme launched
2017 news
2017 Round IV. Sample distribution
2017 Round III. Sample distribution
2017 Round II. sample distribution
2017 Round I. Sample distribution
2017 QualcoDuna Proficiency Testing Scheme launched
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