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.



2009
Ringversuch Phytoplankton 2009
Het Waterlaboratorium
Haarlem
2009
Ringversuch Phytoplankton 2009
IDUS Biologisch-Analytisches Umweltlabor GmbH
Ottendorf-Okrilla
2009
Ringversuch Phytoplankton 2009
INRA
Thonon les Bains Cedex
2009
Ringversuch Phytoplankton 2009
Institut Dr. Nowak
Ottersberg
2009
Ringversuch Phytoplankton 2009
Institut für angewandte Gewässerökologie GmbH
Seddiner See
2009
Ringversuch Phytoplankton 2009
Instituto Nacional de Saúde Dr. Ricardo Jorge
Lisboa
Portugal
2009
Ringversuch Phytoplankton 2009
IWU GmbH
Luisenthal
2009
Ringversuch Phytoplankton 2009
Kärntner Institut für Seenforschung
Klagenfurt
2009
Ringversuch Phytoplankton 2009
Koeman en Bijkerk bv
Haren
2009
Ringversuch Phytoplankton 2009
LABELEC
Sacavém
Portugal
2009
Ringversuch Phytoplankton 2009
Limnologie Büro Hoehn
Freiburg
2009
Ringversuch Phytoplankton 2009
LimPlan
Berlin
2009
Ringversuch Phytoplankton 2009
Lüttig & Friends GbR
Berlin
2009
Ringversuch Phytoplankton 2009
Omegam Laboratoria
Amsterdam
2009
Ringversuch Phytoplankton 2009
Wahnbachtalsperrenverband
Siegburg
2009
Ringversuch Phytoplankton 2009
Wasserverband Siegen-Wittgenstein
Siegen
2009
Ringversuch Phytoplankton 2009
Water Research Institute
Bratislava
2008
Ringversuch Phytoplankton 2008
Rohrbach
2008
Ringversuch Phytoplankton 2008
Agência Portuguesa do Ambiente, (APA)
Amadora
Portugal
2008
Ringversuch Phytoplankton 2008
Aguas do Algarve, S.A. ETA de Tavira - Laboratorio
Tavira
Portugal



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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