2023 documents

Information about the current QualcoDuna Proficiency Testing Scheme can be found under 2023 scheme documents. The 2023 scheme covers the following matrices:

• drinking water
• surface water
• groundwater
• bathing water
• wastewater
• sediment/sludges
• soil
• solid waste
• impinger solutions
• emission quartz filters (digest)
• biological intercomparisons (hidrobiology and toxicology)
• drinking water sampling
• surface water sampling
• groundwater sampling
• bathing water sampling
• wastewater sampling
• polluted soil sampling
• solid waste sampling

Distribution schedule

Documents related to a specific proficiency testing round can be found under Round X/2023.