Participants

Show your colleagues and clients that you participate in the EQAT proficiency test phytoplankton! We guarantee total confidentiality of your data at all times.

If you agreed to the publication of your participation in the EQAT scheme when registering, you are included in the list below. Your results will not be shown here and will remain anonymous.



Stadt Zürich Wasserversorgung
Zürich
http://www.stadt-zuerich.ch/wasserversorgung
Stichting Waterproef
Edam
http://www.waterproef.nl/
Swedish University of Agricultural Sciences, Department of Aquatic Sciences...
Uppsala
http://www.slu.se/vatten-miljo
Swedish University of Agricultural Sciences, Department of Aquatic Sciences...
UPPSALA
http://www.slu.se/vatten-miljo
Tecnológicos de Levante S.L.
Paterna- Valencia
http://www.ltlevante.com/
Universität Rostock, Institut für Biowissenschaften, Allg. und Spez. Bot...
Rostock
http://www.biologie.uni-rostock.de/abt/botanik/botanik.html
University of Pannonia, Department of Limnology
Veszprém
http://www.limnologia.hu/
URS ESpaña SL
Barcelona
http://www.urscorp.eu/local/index.php?co=spain
Verbundwasserwerk Witten GmbH
Witten
Verbundwasserwerk Witten GmbH Labor
Witten
http://www.verbundwasserwerk-witten.de/
Verbundwasserwerk Witten VWW
Witten
http://vww-witten.de/
Wasserverband Siegen-Wittgenstein
Siegen
http://www.wvsw.de/
Water Development Department
Nicosia
http://www.moa.gov.cy/wdd
Water Research Institute
Bratislava
http://www.vuvh.sk/
ZV Bodensee-Wasserversorgung
Überlingen-Nesselwangen
http://www.zvbwv.de/
Zweckverband Bodensee-Wasserversorgung Qualitätssicherung und Forschungsl...
Überlingen-Nesselwangen
http://www.zvbwv.de/



Proficiency test

Since 2002, the proficiency test phytoplankton has been carried out on an international level by the LTV.

From 1.1.2025, we will no longer be able to offer ring tests to participants from countries outside the EU. We regret this decision and apologise for the inconvenience

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Design of our EQAT scheme

The EQAT design is focused on the application of the Utermöhl method using the inverted microscope and consists of three components. Components 1 and 2 are methodological, focussing on the enumeration and biovolume calculation and component 3 is taxonomic in nature.

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Procedure of our EQAT scheme

The EQAT scheme is divided into 9 phases, the status of which can be viewed on-line on our website. With the announcement of the EQAT scheme, the planned time schedule is communicated to the participants.

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Requirements for participation, costs and evaluation

Only laboratories that have the personnel and equipment required for the EQAT proficiency test phytoplankton can participate in our scheme. Each participant in the EQAT scheme requires an individual registration.

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About the organiser

The EQAT phytoplankton proficiency tests are an activity of the Landestalsperrenverwaltung des Freistaates Sachsen (LTV). 

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Reports

Since 2005, the evaluation of the results has been carried out in accordance with DIN 38402 – 45: 2014 using robust statistical methods.

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