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.



2008
Ringversuch Phytoplankton 2008
LHW
Wittenberg
2008
Ringversuch Phytoplankton 2008
LHW Sachsen-Anhalt, SG Ökologie
Magdeburg
2008
Ringversuch Phytoplankton 2008
LINEG-Zentrallabor
Moers
2008
Ringversuch Phytoplankton 2008
Lüttig & Friends GbR
Berlin
2008
Ringversuch Phytoplankton 2008
Povodi Labe, statni podnik
Hradec Kralove
2008
Ringversuch Phytoplankton 2008
Povodí Oh?e,státní podnik
Teplice
2008
Ringversuch Phytoplankton 2008
Povodí Vltavy s.p.
Praha
2008
Ringversuch Phytoplankton 2008
Stadt Zürich, Wasserversorgung
Zürich
2008
Ringversuch Phytoplankton 2008
Umweltbetriebsgesellschaft
Görlitz
2008
Ringversuch Phytoplankton 2008
Umweltbundesamt
Berlin
2008
Ringversuch Phytoplankton 2008
URS SL España
Barcelona
2008
Ringversuch Phytoplankton 2008
Wahnbachtalsperrenverband
Siegburg
2008
Ringversuch Phytoplankton 2008
Water Development Department
Nicosia
2008
Ringversuch Phytoplankton 2008
Wupperverband
Wermelskirchen- Dhünn
2008
Ringversuch Phytoplankton 2008
Zweckverband Bodensee-Wasserversorgung
Überlingen-Nesselwangen
2008
Ringversuch Phytoplankton 2008
Zwerver
Kemiö
2007
Ringversuch Phytoplankton 2007
Rohrbach
2007
Ringversuch Phytoplankton 2007
Bremen
2007
Ringversuch Phytoplankton 2007
Agência Portuguesa do Ambiente, (APA)
Zambujal Amadora
Portugal
2007
Ringversuch Phytoplankton 2007
Aggerverband
Gummersbach



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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