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Information about the current QualcoDuna Proficiency Testing Scheme can be found under 2020 scheme documents. The 2020 scheme covers the following matrices:
- drinking water
- surface water
- impinger solutions
- emission quartz filters (digest)
- biological intercomparisons (hidrobiology and toxicology)
- drinking water sampling
- surface water sampling
- groundwater sampling
- bath water sampling
- polluted soil sampling
- waste sampling
Documents related to a specific proficiency testing round can be found under Round X/2020.