Test details
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WW 03/2026 - Wastewater analyses I

Proftest Syke will organise a proficiency test (PT) for the analysis of BOD7, CODCr, CODMn, Na, suspended solids, and TOC in wastewaters. In this PT it is also possible to determine BOD7 and CODMn in natural water sample.
The purpose of this proficiency test is to ensure the comparability and accuracy of the results of the participants. About 50 laboratories are expected to participate in this proficiency test. The measurands and samples of this proficiency test are included in the Water chemistry scheme of the Proftest Syke accreditation scope
(finas.fi/sites/en).
Registration is open until 18 February 2026.
Sample delivery date is 17 March 2026.
The final report for the proficiency test will be published in June 2026
Sample delivery date is 17 March 2026.
The final report for the proficiency test will be published in June 2026
