Finnish Environment Institute | Suomen ympäristökeskus | Finlands miljöcentral

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WW 12/2019 Waste water II


Proftest SYKE will organise the proficiency test for analysis of chloride, colour, conductivity, nutrients (NNH4, NNO2+NO3, Ntot, PPO4, Ptot) pH and sulphate in waste water.
Sample delivery date is 29 October 2019. 
Totally, about 50 laboratories are expected to participate in this proficiency test.

Registration deadline is on 4 October 2017. 
The final report for the proficiency test will be published in March 2020.

The registration for the interlaboratory comparison via the electronic client interface, ProftestWEB (name is the link).

Within the pages, instructions are available. A short “Getting started” instructions are downloadable from the ProftestWEB front page.

Please contact if there are question about ProftestWEB. New clients are asked to contact to request a client profile.


WW 12/2019 Infoletter_en.pdf


Published 2019-08-28 at 9:17, updated 2019-08-28 at 9:17